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Merge branch 'linus' into x86/mm to pick up fixes and to fix conflicts

Browse Source 
Conflicts:
	arch/x86/kernel/head64.c
	arch/x86/mm/mmap.c

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2017-08-26 09:19:13 +02:00
commit 413d63d71b
1493 changed files with 27357 additions and 23688 deletions
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8
Documentation/admin-guide/pm/cpufreq.rst
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@ -237,6 +237,14 @@ are the following:
This attribute is not present if the scaling driver in use does not
support it.
``cpuinfo_cur_freq``
Current frequency of the CPUs belonging to this policy as obtained from
the hardware (in KHz).
This is expected to be the frequency the hardware actually runs at.
If that frequency cannot be determined, this attribute should not
be present.
``cpuinfo_max_freq``
Maximum possible operating frequency the CPUs belonging to this policy
can run at (in kHz).

1
Documentation/device-mapper/dm-raid.txt
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@ -343,3 +343,4 @@ Version History
1.11.0 Fix table line argument order
(wrong raid10_copies/raid10_format sequence)
1.11.1 Add raid4/5/6 journal write-back support via journal_mode option
1.12.1 fix for MD deadlock between mddev_suspend() and md_write_start() available

14
Documentation/devicetree/bindings/ata/sata_rcar.txt
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@ -1,14 +1,22 @@
* Renesas R-Car SATA
Required properties:
- compatible : should contain one of the following:
- compatible : should contain one or more of the following:
- "renesas,sata-r8a7779" for R-Car H1
("renesas,rcar-sata" is deprecated)
- "renesas,sata-r8a7790-es1" for R-Car H2 ES1
- "renesas,sata-r8a7790" for R-Car H2 other than ES1
- "renesas,sata-r8a7791" for R-Car M2-W
- "renesas,sata-r8a7793" for R-Car M2-N
- "renesas,sata-r8a7795" for R-Car H3
- "renesas,rcar-gen2-sata" for a generic R-Car Gen2 compatible device
- "renesas,rcar-gen3-sata" for a generic R-Car Gen3 compatible device
- "renesas,rcar-sata" is deprecated
When compatible with the generic version nodes
must list the SoC-specific version corresponding
to the platform first followed by the generic
version.
- reg : address and length of the SATA registers;
- interrupts : must consist of one interrupt specifier.
- clocks : must contain a reference to the functional clock.
@ -16,7 +24,7 @@ Required properties:
Example:
sata0: sata@ee300000 {
compatible = "renesas,sata-r8a7791";
compatible = "renesas,sata-r8a7791", "renesas,rcar-gen2-sata";
reg = <0 0xee300000 0 0x2000>;
interrupt-parent = <&gic>;
interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;

2
Documentation/devicetree/bindings/crypto/inside-secure-safexcel.txt
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@ -8,7 +8,6 @@ Required properties:
Optional properties:
- clocks: Reference to the crypto engine clock.
- dma-mask: The address mask limitation. Defaults to 64.
Example:
@ -24,6 +23,5 @@ Example:
interrupt-names = "mem", "ring0", "ring1", "ring2", "ring3",
"eip";
clocks = <&cpm_syscon0 1 26>;
dma-mask = <0xff 0xffffffff>;
status = "disabled";
};

5
Documentation/devicetree/bindings/gpio/gpio-exar.txt Normal file
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@ -0,0 +1,5 @@
Exportable MPIO interface of Exar UART chips
Required properties of the device:
- exar,first-pin: first exportable pins (0..15)
- ngpios: number of exportable pins (1..16)

2
Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
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@ -40,7 +40,7 @@ Optional properties:
Example for a Mali-T760:
gpu@ffa30000 {
compatible = "rockchip,rk3288-mali", "arm,mali-t760", "arm,mali-midgard";
compatible = "rockchip,rk3288-mali", "arm,mali-t760";
reg = <0xffa30000 0x10000>;
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,

1
Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
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@ -78,7 +78,6 @@ Example:
};
dwmmc0@12200000 {
num-slots = <1>;
cap-mmc-highspeed;
cap-sd-highspeed;
broken-cd;

1
Documentation/devicetree/bindings/mmc/img-dw-mshc.txt
View File

@ -24,6 +24,5 @@ Example:
fifo-depth = <0x20>;
bus-width = <4>;
num-slots = <1>;
disable-wp;
};

2
Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt
View File

@ -36,7 +36,6 @@ Example:
/* Board portion */
dwmmc0@fcd03000 {
num-slots = <1>;
vmmc-supply = <&ldo12>;
fifo-depth = <0x100>;
pinctrl-names = "default";
@ -52,7 +51,6 @@ Example:
dwmmc_1: dwmmc1@f723e000 {
compatible = "hisilicon,hi6220-dw-mshc";
num-slots = <0x1>;
bus-width = <0x4>;
disable-wp;
cap-sd-highspeed;

16
Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
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@ -12,12 +12,12 @@ Required Properties:
* #address-cells: should be 1.
* #size-cells: should be 0.
# Slots: The slot specific information are contained within child-nodes with
each child-node representing a supported slot. There should be atleast one
child node representing a card slot. The name of the child node representing
the slot is recommended to be slot@n where n is the unique number of the slot
connected to the controller. The following are optional properties which
can be included in the slot child node.
# Slots (DEPRECATED): The slot specific information are contained within
child-nodes with each child-node representing a supported slot. There should
be atleast one child node representing a card slot. The name of the child node
representing the slot is recommended to be slot@n where n is the unique number
of the slot connected to the controller. The following are optional properties
which can be included in the slot child node.
* reg: specifies the physical slot number. The valid values of this
property is 0 to (num-slots -1), where num-slots is the value
@ -63,7 +63,7 @@ Optional properties:
clock(cclk_out). If it's not specified, max is 200MHZ and min is 400KHz by default.
(Use the "max-frequency" instead of "clock-freq-min-max".)
* num-slots: specifies the number of slots supported by the controller.
* num-slots (DEPRECATED): specifies the number of slots supported by the controller.
The number of physical slots actually used could be equal or less than the
value specified by num-slots. If this property is not specified, the value
of num-slot property is assumed to be 1.
@ -124,7 +124,6 @@ board specific portions as listed below.
dwmmc0@12200000 {
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
num-slots = <1>;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;
@ -139,7 +138,6 @@ board specific portions as listed below.
dwmmc0@12200000 {
clock-frequency = <400000000>;
clock-freq-min-max = <400000 200000000>;
num-slots = <1>;
broken-cd;
fifo-depth = <0x80>;
card-detect-delay = <200>;

1
Documentation/devicetree/bindings/mmc/zx-dw-mshc.txt
View File

@ -25,7 +25,6 @@ Example:
clock-frequency = <50000000>;
clocks = <&topcrm SD0_AHB>, <&topcrm SD0_WCLK>;
clock-names = "biu", "ciu";
num-slots = <1>;
max-frequency = <50000000>;
cap-sdio-irq;
cap-sd-highspeed;

1
Documentation/devicetree/bindings/net/brcm,amac.txt
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@ -11,6 +11,7 @@ Required properties:
- reg-names: Names of the registers.
"amac_base": Address and length of the GMAC registers
"idm_base": Address and length of the GMAC IDM registers
(required for NSP and Northstar2)
"nicpm_base": Address and length of the NIC Port Manager
registers (required for Northstar2)
- interrupts: Interrupt number

24
Documentation/devicetree/bindings/net/brcm,bgmac-nsp.txt
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@ -1,24 +0,0 @@
Broadcom GMAC Ethernet Controller Device Tree Bindings
-------------------------------------------------------------
Required properties:
- compatible: "brcm,bgmac-nsp"
- reg: Address and length of the GMAC registers,
Address and length of the GMAC IDM registers
- reg-names: Names of the registers. Must have both "gmac_base" and
"idm_base"
- interrupts: Interrupt number
Optional properties:
- mac-address: See ethernet.txt file in the same directory
Examples:
gmac0: ethernet@18022000 {
compatible = "brcm,bgmac-nsp";
reg = <0x18022000 0x1000>,
<0x18110000 0x1000>;
reg-names = "gmac_base", "idm_base";
interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};

2
Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt
View File

@ -4,7 +4,7 @@ Required properties:
- compatible: Should be one of the following.
- "rockchip,rk3066a-efuse" - for RK3066a SoCs.
- "rockchip,rk3188-efuse" - for RK3188 SoCs.
- "rockchip,rk322x-efuse" - for RK322x SoCs.
- "rockchip,rk3228-efuse" - for RK3228 SoCs.
- "rockchip,rk3288-efuse" - for RK3288 SoCs.
- "rockchip,rk3399-efuse" - for RK3399 SoCs.
- reg: Should contain the registers location and exact eFuse size

15
Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
View File

@ -1,13 +1,20 @@
* Broadcom Digital Timing Engine(DTE) based PTP clock driver
* Broadcom Digital Timing Engine(DTE) based PTP clock
Required properties:
- compatible: should be "brcm,ptp-dte"
- compatible: should contain the core compatibility string
and the SoC compatibility string. The SoC
compatibility string is to handle SoC specific
hardware differences.
Core compatibility string:
"brcm,ptp-dte"
SoC compatibility strings:
"brcm,iproc-ptp-dte" - for iproc based SoC's
- reg: address and length of the DTE block's NCO registers
Example:
ptp_dte: ptp_dte@180af650 {
compatible = "brcm,ptp-dte";
ptp: ptp-dte@180af650 {
compatible = "brcm,iproc-ptp-dte", "brcm,ptp-dte";
reg = <0x180af650 0x10>;
status = "okay";
};

2
Documentation/devicetree/bindings/serial/fsl-imx-uart.txt
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@ -9,7 +9,6 @@ Optional properties:
- fsl,irda-mode : Indicate the uart supports irda mode
- fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
in DCE mode by default.
- fsl,dma-size : Indicate the size of the DMA buffer and its periods
Please check Documentation/devicetree/bindings/serial/serial.txt
for the complete list of generic properties.
@ -29,5 +28,4 @@ uart1: serial@73fbc000 {
interrupts = <31>;
uart-has-rtscts;
fsl,dte-mode;
fsl,dma-size = <1024 4>;
};

6
Documentation/fb/efifb.txt
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@ -27,5 +27,11 @@ You have to add the following kernel parameters in your elilo.conf:
Macbook Pro 17", iMac 20" :
video=efifb:i20
Accepted options:
nowc Don't map the framebuffer write combined. This can be used
to workaround side-effects and slowdowns on other CPU cores
when large amounts of console data are written.
--
Edgar Hucek <gimli@dark-green.com>

2
Documentation/gpio/gpio-legacy.txt
View File

@ -459,7 +459,7 @@ pin controller?
This is done by registering "ranges" of pins, which are essentially
cross-reference tables. These are described in
Documentation/pinctrl.txt
Documentation/driver-api/pinctl.rst
While the pin allocation is totally managed by the pinctrl subsystem,
gpio (under gpiolib) is still maintained by gpio drivers. It may happen

443
Documentation/media/kapi/dtv-core.rst
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@ -1,6 +1,31 @@
Digital TV (DVB) devices
------------------------
Digital TV devices are implemented by several different drivers:
- A bridge driver that is responsible to talk with the bus where the other
devices are connected (PCI, USB, SPI), bind to the other drivers and
implement the digital demux logic (either in software or in hardware);
- Frontend drivers that are usually implemented as two separate drivers:
- A tuner driver that implements the logic with commands the part of the
hardware with is reponsible to tune into a digital TV transponder or
physical channel. The output of a tuner is usually a baseband or
Intermediate Frequency (IF) signal;
- A demodulator driver (a.k.a "demod") that implements the logic with
commands the digital TV decoding hardware. The output of a demod is
a digital stream, with multiple audio, video and data channels typically
multiplexed using MPEG Transport Stream [#f1]_.
On most hardware, the frontend drivers talk with the bridge driver using an
I2C bus.
.. [#f1] Some standards use TCP/IP for multiplexing data, like DVB-H (an
abandoned standard, not used anymore) and ATSC version 3.0 current
proposals. Currently, the DVB subsystem doesn't implement those standards.
Digital TV Common functions
---------------------------
@ -55,8 +80,141 @@ Digital TV Frontend
The Digital TV Frontend kABI defines a driver-internal interface for
registering low-level, hardware specific driver to a hardware independent
frontend layer. It is only of interest for Digital TV device driver writers.
The header file for this API is named dvb_frontend.h and located in
drivers/media/dvb-core.
The header file for this API is named ``dvb_frontend.h`` and located in
``drivers/media/dvb-core``.
Demodulator driver
^^^^^^^^^^^^^^^^^^
The demodulator driver is responsible to talk with the decoding part of the
hardware. Such driver should implement :c:type:`dvb_frontend_ops`, with
tells what type of digital TV standards are supported, and points to a
series of functions that allow the DVB core to command the hardware via
the code under ``drivers/media/dvb-core/dvb_frontend.c``.
A typical example of such struct in a driver ``foo`` is::
static struct dvb_frontend_ops foo_ops = {
.delsys = { SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A },
.info = {
.name = "foo DVB-T/T2/C driver",
.caps = FE_CAN_FEC_1_2 |
FE_CAN_FEC_2_3 |
FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 |
FE_CAN_FEC_7_8 |
FE_CAN_FEC_AUTO |
FE_CAN_QPSK |
FE_CAN_QAM_16 |
FE_CAN_QAM_32 |
FE_CAN_QAM_64 |
FE_CAN_QAM_128 |
FE_CAN_QAM_256 |
FE_CAN_QAM_AUTO |
FE_CAN_TRANSMISSION_MODE_AUTO |
FE_CAN_GUARD_INTERVAL_AUTO |
FE_CAN_HIERARCHY_AUTO |
FE_CAN_MUTE_TS |
FE_CAN_2G_MODULATION,
.frequency_min = 42000000, /* Hz */
.frequency_max = 1002000000, /* Hz */
.symbol_rate_min = 870000,
.symbol_rate_max = 11700000
},
.init = foo_init,
.sleep = foo_sleep,
.release = foo_release,
.set_frontend = foo_set_frontend,
.get_frontend = foo_get_frontend,
.read_status = foo_get_status_and_stats,
.tune = foo_tune,
.i2c_gate_ctrl = foo_i2c_gate_ctrl,
.get_frontend_algo = foo_get_algo,
};
A typical example of such struct in a driver ``bar`` meant to be used on
Satellite TV reception is::
static const struct dvb_frontend_ops bar_ops = {
.delsys = { SYS_DVBS, SYS_DVBS2 },
.info = {
.name = "Bar DVB-S/S2 demodulator",
.frequency_min = 500000, /* KHz */
.frequency_max = 2500000, /* KHz */
.frequency_stepsize = 0,
.symbol_rate_min = 1000000,
.symbol_rate_max = 45000000,
.symbol_rate_tolerance = 500,
.caps = FE_CAN_INVERSION_AUTO |
FE_CAN_FEC_AUTO |
FE_CAN_QPSK,
},
.init = bar_init,
.sleep = bar_sleep,
.release = bar_release,
.set_frontend = bar_set_frontend,
.get_frontend = bar_get_frontend,
.read_status = bar_get_status_and_stats,
.i2c_gate_ctrl = bar_i2c_gate_ctrl,
.get_frontend_algo = bar_get_algo,
.tune = bar_tune,
/* Satellite-specific */
.diseqc_send_master_cmd = bar_send_diseqc_msg,
.diseqc_send_burst = bar_send_burst,
.set_tone = bar_set_tone,
.set_voltage = bar_set_voltage,
};
.. note::
#) For satellite digital TV standards (DVB-S, DVB-S2, ISDB-S), the
frequencies are specified in kHz, while, for terrestrial and cable
standards, they're specified in Hz. Due to that, if the same frontend
supports both types, you'll need to have two separate
:c:type:`dvb_frontend_ops` structures, one for each standard.
#) The ``.i2c_gate_ctrl`` field is present only when the hardware has
allows controlling an I2C gate (either directly of via some GPIO pin),
in order to remove the tuner from the I2C bus after a channel is
tuned.
#) All new drivers should implement the
:ref:`DVBv5 statistics <dvbv5_stats>` via ``.read_status``.
Yet, there are a number of callbacks meant to get statistics for
signal strength, S/N and UCB. Those are there to provide backward
compatibility with legacy applications that don't support the DVBv5
API. Implementing those callbacks are optional. Those callbacks may be
removed in the future, after we have all existing drivers supporting
DVBv5 stats.
#) Other callbacks are required for satellite TV standards, in order to
control LNBf and DiSEqC: ``.diseqc_send_master_cmd``,
``.diseqc_send_burst``, ``.set_tone``, ``.set_voltage``.
.. |delta| unicode:: U+00394
The ``drivers/media/dvb-core/dvb_frontend.c`` has a kernel thread with is
responsible for tuning the device. It supports multiple algoritms to
detect a channel, as defined at enum :c:func:`dvbfe_algo`.
The algorithm to be used is obtained via ``.get_frontend_algo``. If the driver
doesn't fill its field at struct :c:type:`dvb_frontend_ops`, it will default to
``DVBFE_ALGO_SW``, meaning that the dvb-core will do a zigzag when tuning,
e. g. it will try first to use the specified center frequency ``f``,
then, it will do ``f`` + |delta|, ``f`` - |delta|, ``f`` + 2 x |delta|,
``f`` - 2 x |delta| and so on.
If the hardware has internally a some sort of zigzag algorithm, you should
define a ``.get_frontend_algo`` function that would return ``DVBFE_ALGO_HW``.
.. note::
The core frontend support also supports
a third type (``DVBFE_ALGO_CUSTOM``), in order to allow the driver to
define its own hardware-assisted algorithm. Very few hardware need to
use it nowadays. Using ``DVBFE_ALGO_CUSTOM`` require to provide other
function callbacks at struct :c:type:`dvb_frontend_ops`.
Attaching frontend driver to the bridge driver
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Before using the Digital TV frontend core, the bridge driver should attach
the frontend demod, tuner and SEC devices and call
@ -74,6 +232,287 @@ part of their handler for :c:type:`device_driver`.\ ``resume()``.
A few other optional functions are provided to handle some special cases.
.. _dvbv5_stats:
Digital TV Frontend statistics
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Introduction
^^^^^^^^^^^^
Digital TV frontends provide a range of
:ref:`statistics <frontend-stat-properties>` meant to help tuning the device
and measuring the quality of service.
For each statistics measurement, the driver should set the type of scale used,
or ``FE_SCALE_NOT_AVAILABLE`` if the statistics is not available on a given
time. Drivers should also provide the number of statistics for each type.
that's usually 1 for most video standards [#f2]_.
Drivers should initialize each statistic counters with length and
scale at its init code. For example, if the frontend provides signal
strength, it should have, on its init code::
struct dtv_frontend_properties *c = &state->fe.dtv_property_cache;
c->strength.len = 1;
c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
And, when the statistics got updated, set the scale::
c->strength.stat[0].scale = FE_SCALE_DECIBEL;
c->strength.stat[0].uvalue = strength;
.. [#f2] For ISDB-T, it may provide both a global statistics and a per-layer
set of statistics. On such cases, len should be equal to 4. The first
value corresponds to the global stat; the other ones to each layer, e. g.:
- c->cnr.stat[0] for global S/N carrier ratio,
- c->cnr.stat[1] for Layer A S/N carrier ratio,
- c->cnr.stat[2] for layer B S/N carrier ratio,
- c->cnr.stat[3] for layer C S/N carrier ratio.
.. note:: Please prefer to use ``FE_SCALE_DECIBEL`` instead of
``FE_SCALE_RELATIVE`` for signal strength and CNR measurements.
Groups of statistics
^^^^^^^^^^^^^^^^^^^^
There are several groups of statistics currently supported:
Signal strength (:ref:`DTV-STAT-SIGNAL-STRENGTH`)
- Measures the signal strength level at the analog part of the tuner or
demod.
- Typically obtained from the gain applied to the tuner and/or frontend
in order to detect the carrier. When no carrier is detected, the gain is
at the maximum value (so, strength is on its minimal).
- As the gain is visible through the set of registers that adjust the gain,
typically, this statistics is always available [#f3]_.
- Drivers should try to make it available all the times, as this statistics
can be used when adjusting an antenna position and to check for troubles
at the cabling.
.. [#f3] On a few devices, the gain keeps floating if no carrier.
On such devices, strength report should check first if carrier is
detected at the tuner (``FE_HAS_CARRIER``, see :c:type:`fe_status`),
and otherwise return the lowest possible value.
Carrier Signal to Noise ratio (:ref:`DTV-STAT-CNR`)
- Signal to Noise ratio for the main carrier.
- Signal to Noise measurement depends on the device. On some hardware, is
available when the main carrier is detected. On those hardware, CNR
measurement usually comes from the tuner (e. g. after ``FE_HAS_CARRIER``,
see :c:type:`fe_status`).
On other devices, it requires inner FEC decoding,
as the frontend measures it indirectly from other parameters (e. g. after
``FE_HAS_VITERBI``, see :c:type:`fe_status`).
Having it available after inner FEC is more common.
Bit counts post-FEC (:ref:`DTV-STAT-POST-ERROR-BIT-COUNT` and :ref:`DTV-STAT-POST-TOTAL-BIT-COUNT`)
- Those counters measure the number of bits and bit errors errors after
the forward error correction (FEC) on the inner coding block
(after Viterbi, LDPC or other inner code).
- Due to its nature, those statistics depend on full coding lock
(e. g. after ``FE_HAS_SYNC`` or after ``FE_HAS_LOCK``,
see :c:type:`fe_status`).
Bit counts pre-FEC (:ref:`DTV-STAT-PRE-ERROR-BIT-COUNT` and :ref:`DTV-STAT-PRE-TOTAL-BIT-COUNT`)
- Those counters measure the number of bits and bit errors errors before
the forward error correction (FEC) on the inner coding block
(before Viterbi, LDPC or other inner code).
- Not all frontends provide this kind of statistics.
- Due to its nature, those statistics depend on inner coding lock (e. g.
after ``FE_HAS_VITERBI``, see :c:type:`fe_status`).
Block counts (:ref:`DTV-STAT-ERROR-BLOCK-COUNT` and :ref:`DTV-STAT-TOTAL-BLOCK-COUNT`)
- Those counters measure the number of blocks and block errors errors after
the forward error correction (FEC) on the inner coding block
(before Viterbi, LDPC or other inner code).
- Due to its nature, those statistics depend on full coding lock
(e. g. after ``FE_HAS_SYNC`` or after
``FE_HAS_LOCK``, see :c:type:`fe_status`).
.. note:: All counters should be monotonically increased as they're
collected from the hardware.
A typical example of the logic that handle status and statistics is::
static int foo_get_status_and_stats(struct dvb_frontend *fe)
{
struct foo_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int rc;
enum fe_status *status;
/* Both status and strength are always available */
rc = foo_read_status(fe, &status);
if (rc < 0)
return rc;
rc = foo_read_strength(fe);
if (rc < 0)
return rc;
/* Check if CNR is available */
if (!(fe->status & FE_HAS_CARRIER))
return 0;
rc = foo_read_cnr(fe);
if (rc < 0)
return rc;
/* Check if pre-BER stats are available */
if (!(fe->status & FE_HAS_VITERBI))
return 0;
rc = foo_get_pre_ber(fe);
if (rc < 0)
return rc;
/* Check if post-BER stats are available */
if (!(fe->status & FE_HAS_SYNC))
return 0;
rc = foo_get_post_ber(fe);
if (rc < 0)
return rc;
}
static const struct dvb_frontend_ops ops = {
/* ... */
.read_status = foo_get_status_and_stats,
};
Statistics collect
^^^^^^^^^^^^^^^^^^
On almost all frontend hardware, the bit and byte counts are stored by
the hardware after a certain amount of time or after the total bit/block
counter reaches a certain value (usually programable), for example, on
every 1000 ms or after receiving 1,000,000 bits.
So, if you read the registers too soon, you'll end by reading the same
value as in the previous reading, causing the monotonic value to be
incremented too often.
Drivers should take the responsibility to avoid too often reads. That
can be done using two approaches:
if the driver have a bit that indicates when a collected data is ready
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Driver should check such bit before making the statistics available.
An example of such behavior can be found at this code snippet (adapted
from mb86a20s driver's logic)::
static int foo_get_pre_ber(struct dvb_frontend *fe)
{
struct foo_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int rc, bit_error;
/* Check if the BER measures are already available */
rc = foo_read_u8(state, 0x54);
if (rc < 0)
return rc;
if (!rc)
return 0;
/* Read Bit Error Count */
bit_error = foo_read_u32(state, 0x55);
if (bit_error < 0)
return bit_error;
/* Read Total Bit Count */
rc = foo_read_u32(state, 0x51);
if (rc < 0)
return rc;
c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
c->pre_bit_error.stat[0].uvalue += bit_error;
c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
c->pre_bit_count.stat[0].uvalue += rc;
return 0;
}
If the driver doesn't provide a statistics available check bit
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
A few devices, however, may not provide a way to check if the stats are
available (or the way to check it is unknown). They may not even provide
a way to directly read the total number of bits or blocks.
On those devices, the driver need to ensure that it won't be reading from
the register too often and/or estimate the total number of bits/blocks.
On such drivers, a typical routine to get statistics would be like
(adapted from dib8000 driver's logic)::
struct foo_state {
/* ... */
unsigned long per_jiffies_stats;
}
static int foo_get_pre_ber(struct dvb_frontend *fe)
{
struct foo_state *state = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int rc, bit_error;
u64 bits;
/* Check if time for stats was elapsed */
if (!time_after(jiffies, state->per_jiffies_stats))
return 0;
/* Next stat should be collected in 1000 ms */
state->per_jiffies_stats = jiffies + msecs_to_jiffies(1000);
/* Read Bit Error Count */
bit_error = foo_read_u32(state, 0x55);
if (bit_error < 0)
return bit_error;
/*
* On this particular frontend, there's no register that
* would provide the number of bits per 1000ms sample. So,
* some function would calculate it based on DTV properties
*/
bits = get_number_of_bits_per_1000ms(fe);
c->pre_bit_error.stat[0].scale = FE_SCALE_COUNTER;
c->pre_bit_error.stat[0].uvalue += bit_error;
c->pre_bit_count.stat[0].scale = FE_SCALE_COUNTER;
c->pre_bit_count.stat[0].uvalue += bits;
return 0;
}
Please notice that, on both cases, we're getting the statistics using the
:c:type:`dvb_frontend_ops` ``.read_status`` callback. The rationale is that
the frontend core will automatically call this function periodically
(usually, 3 times per second, when the frontend is locked).
That warrants that we won't miss to collect a counter and increment the
monotonic stats at the right time.
Digital TV Frontend functions and types
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. kernel-doc:: drivers/media/dvb-core/dvb_frontend.h

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6
Documentation/media/uapi/v4l/vidioc-g-fmt.rst
View File

@ -147,3 +147,9 @@ appropriately. The generic error codes are described at the
EINVAL
The struct :c:type:`v4l2_format` ``type`` field is
invalid or the requested buffer type not supported.
EBUSY
The device is busy and cannot change the format. This could be
because or the device is streaming or buffers are allocated or
queued to the driver. Relevant for :ref:`VIDIOC_S_FMT
<VIDIOC_G_FMT>` only.

7
Documentation/media/v4l-drivers/imx.rst
View File

@ -607,8 +607,9 @@ References
Authors
-------
Steve Longerbeam <steve_longerbeam@mentor.com>
Philipp Zabel <kernel@pengutronix.de>
Russell King <linux@armlinux.org.uk>
- Steve Longerbeam <steve_longerbeam@mentor.com>
- Philipp Zabel <kernel@pengutronix.de>
- Russell King <linux@armlinux.org.uk>
Copyright (C) 2012-2017 Mentor Graphics Inc.

1
Documentation/media/v4l-drivers/index.rst
View File

@ -41,6 +41,7 @@ For more details see the file COPYING in the source distribution of Linux.
cx88
davinci-vpbe
fimc
imx
ivtv
max2175
meye

4
Documentation/networking/switchdev.txt
View File

@ -228,7 +228,7 @@ Learning on the device port should be enabled, as well as learning_sync:
bridge link set dev DEV learning on self
bridge link set dev DEV learning_sync on self
Learning_sync attribute enables syncing of the learned/forgotton FDB entry to
Learning_sync attribute enables syncing of the learned/forgotten FDB entry to
the bridge's FDB. It's possible, but not optimal, to enable learning on the
device port and on the bridge port, and disable learning_sync.
@ -245,7 +245,7 @@ the responsibility of the port driver/device to age out these entries. If the
port device supports ageing, when the FDB entry expires, it will notify the
driver which in turn will notify the bridge with SWITCHDEV_FDB_DEL. If the
device does not support ageing, the driver can simulate ageing using a
garbage collection timer to monitor FBD entries. Expired entries will be
garbage collection timer to monitor FDB entries. Expired entries will be
notified to the bridge using SWITCHDEV_FDB_DEL. See rocker driver for
example of driver running ageing timer.

3
Documentation/power/runtime_pm.txt
View File

@ -435,7 +435,8 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
PM status to 'suspended' and update its parent's counter of 'active'
children as appropriate (it is only valid to use this function if
'power.runtime_error' is set or 'power.disable_depth' is greater than
zero)
zero); it will fail and return an error code if the device has a child
which is active and the 'power.ignore_children' flag is unset
bool pm_runtime_active(struct device *dev);
- return true if the device's runtime PM status is 'active' or its

19
Documentation/printk-formats.txt
View File

@ -58,20 +58,23 @@ Symbols/Function Pointers
%ps versatile_init
%pB prev_fn_of_versatile_init+0x88/0x88
For printing symbols and function pointers. The ``S`` and ``s`` specifiers
result in the symbol name with (``S``) or without (``s``) offsets. Where
this is used on a kernel without KALLSYMS - the symbol address is
printed instead.
The ``F`` and ``f`` specifiers are for printing function pointers,
for example, f->func, &gettimeofday. They have the same result as
``S`` and ``s`` specifiers. But they do an extra conversion on
ia64, ppc64 and parisc64 architectures where the function pointers
are actually function descriptors.
The ``S`` and ``s`` specifiers can be used for printing symbols
from direct addresses, for example, __builtin_return_address(0),
(void *)regs->ip. They result in the symbol name with (``S``) or
without (``s``) offsets. If KALLSYMS are disabled then the symbol
address is printed instead.
The ``B`` specifier results in the symbol name with offsets and should be
used when printing stack backtraces. The specifier takes into
consideration the effect of compiler optimisations which may occur
when tail-call``s are used and marked with the noreturn GCC attribute.
On ia64, ppc64 and parisc64 architectures function pointers are
actually function descriptors which must first be resolved. The ``F`` and
``f`` specifiers perform this resolution and then provide the same
functionality as the ``S`` and ``s`` specifiers.
Kernel Pointers
===============

47
Documentation/sysctl/net.txt
View File

@ -35,9 +35,34 @@ Table : Subdirectories in /proc/sys/net
bpf_jit_enable
--------------
This enables Berkeley Packet Filter Just in Time compiler.
Currently supported on x86_64 architecture, bpf_jit provides a framework
to speed packet filtering, the one used by tcpdump/libpcap for example.
This enables the BPF Just in Time (JIT) compiler. BPF is a flexible
and efficient infrastructure allowing to execute bytecode at various
hook points. It is used in a number of Linux kernel subsystems such
as networking (e.g. XDP, tc), tracing (e.g. kprobes, uprobes, tracepoints)
and security (e.g. seccomp). LLVM has a BPF back end that can compile
restricted C into a sequence of BPF instructions. After program load
through bpf(2) and passing a verifier in the kernel, a JIT will then
translate these BPF proglets into native CPU instructions. There are
two flavors of JITs, the newer eBPF JIT currently supported on:
- x86_64
- arm64
- ppc64
- sparc64
- mips64
- s390x
And the older cBPF JIT supported on the following archs:
- arm
- mips
- ppc
- sparc
eBPF JITs are a superset of cBPF JITs, meaning the kernel will
migrate cBPF instructions into eBPF instructions and then JIT
compile them transparently. Older cBPF JITs can only translate
tcpdump filters, seccomp rules, etc, but not mentioned eBPF
programs loaded through bpf(2).
Values :
0 - disable the JIT (default value)
1 - enable the JIT
@ -46,9 +71,9 @@ Values :
bpf_jit_harden
--------------
This enables hardening for the Berkeley Packet Filter Just in Time compiler.
Supported are eBPF JIT backends. Enabling hardening trades off performance,
but can mitigate JIT spraying.
This enables hardening for the BPF JIT compiler. Supported are eBPF
JIT backends. Enabling hardening trades off performance, but can
mitigate JIT spraying.
Values :
0 - disable JIT hardening (default value)
1 - enable JIT hardening for unprivileged users only
@ -57,11 +82,11 @@ Values :
bpf_jit_kallsyms
----------------
When Berkeley Packet Filter Just in Time compiler is enabled, then compiled
images are unknown addresses to the kernel, meaning they neither show up in
traces nor in /proc/kallsyms. This enables export of these addresses, which
can be used for debugging/tracing. If bpf_jit_harden is enabled, this feature
is disabled.
When BPF JIT compiler is enabled, then compiled images are unknown
addresses to the kernel, meaning they neither show up in traces nor
in /proc/kallsyms. This enables export of these addresses, which can
be used for debugging/tracing. If bpf_jit_harden is enabled, this
feature is disabled.
Values :
0 - disable JIT kallsyms export (default value)
1 - enable JIT kallsyms export for privileged users only

5076
MAINTAINERS
View File

File diff suppressed because it is too large Load Diff

13
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 13
SUBLEVEL = 0
EXTRAVERSION = -rc1
EXTRAVERSION = -rc6
NAME = Fearless Coyote
# *DOCUMENTATION*
@ -396,7 +396,7 @@ LINUXINCLUDE := \
KBUILD_CPPFLAGS := -D__KERNEL__
KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
-fno-strict-aliasing -fno-common \
-fno-strict-aliasing -fno-common -fshort-wchar \
-Werror-implicit-function-declaration \
-Wno-format-security \
-std=gnu89 $(call cc-option,-fno-PIE)
@ -442,7 +442,7 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
# ===========================================================================
# Rules shared between *config targets and build targets
# Basic helpers built in scripts/
# Basic helpers built in scripts/basic/
PHONY += scripts_basic
scripts_basic:
$(Q)$(MAKE) $(build)=scripts/basic
@ -505,7 +505,7 @@ ifeq ($(KBUILD_EXTMOD),)
endif
endif
endif
# install and module_install need also be processed one by one
# install and modules_install need also be processed one by one
ifneq ($(filter install,$(MAKECMDGOALS)),)
ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
mixed-targets := 1
@ -964,7 +964,7 @@ export KBUILD_VMLINUX_MAIN := $(core-y) $(libs-y2) $(drivers-y) $(net-y) $(virt-
export KBUILD_VMLINUX_LIBS := $(libs-y1)
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
export LDFLAGS_vmlinux
# used by scripts/pacmage/Makefile
# used by scripts/package/Makefile
export KBUILD_ALLDIRS := $(sort $(filter-out arch/%,$(vmlinux-alldirs)) arch Documentation include samples scripts tools)
vmlinux-deps := $(KBUILD_LDS) $(KBUILD_VMLINUX_INIT) $(KBUILD_VMLINUX_MAIN) $(KBUILD_VMLINUX_LIBS)
@ -992,7 +992,7 @@ include/generated/autoksyms.h: FORCE
ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
# Final link of vmlinux with optional arch pass after final link
cmd_link-vmlinux = \
cmd_link-vmlinux = \
$(CONFIG_SHELL) $< $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) ; \
$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true)
@ -1184,6 +1184,7 @@ PHONY += kselftest
kselftest:
$(Q)$(MAKE) -C tools/testing/selftests run_tests
PHONY += kselftest-clean
kselftest-clean:
$(Q)$(MAKE) -C tools/testing/selftests clean

2
arch/alpha/include/uapi/asm/ioctls.h
View File

@ -100,7 +100,7 @@
#define TIOCGPKT _IOR('T', 0x38, int) /* Get packet mode state */
#define TIOCGPTLCK _IOR('T', 0x39, int) /* Get Pty lock state */
#define TIOCGEXCL _IOR('T', 0x40, int) /* Get exclusive mode state */
#define TIOCGPTPEER _IOR('T', 0x41, int) /* Safely open the slave */
#define TIOCGPTPEER _IO('T', 0x41) /* Safely open the slave */
#define TIOCSERCONFIG 0x5453
#define TIOCSERGWILD 0x5454

1
arch/arc/Kconfig
View File

@ -96,7 +96,6 @@ menu "ARC Architecture Configuration"
menu "ARC Platform/SoC/Board"
source "arch/arc/plat-sim/Kconfig"
source "arch/arc/plat-tb10x/Kconfig"
source "arch/arc/plat-axs10x/Kconfig"
#New platform adds here

2
arch/arc/Makefile
View File

@ -107,7 +107,7 @@ core-y += arch/arc/
# w/o this dtb won't embed into kernel binary
core-y += arch/arc/boot/dts/
core-$(CONFIG_ARC_PLAT_SIM) += arch/arc/plat-sim/
core-y += arch/arc/plat-sim/
core-$(CONFIG_ARC_PLAT_TB10X) += arch/arc/plat-tb10x/
core-$(CONFIG_ARC_PLAT_AXS10X) += arch/arc/plat-axs10x/
core-$(CONFIG_ARC_PLAT_EZNPS) += arch/arc/plat-eznps/

20
arch/arc/boot/dts/axc001.dtsi
View File

@ -15,15 +15,15 @@
/ {
compatible = "snps,arc";
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@ -91,23 +91,21 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 7 >;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x20000000>;
device_type = "memory";
reg = <0x80000000 0x1b000000>; /* (512 - 32) MiB */
/* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
reg = <0x0 0x80000000 0x0 0x1b000000>; /* (512 - 32) MiB */
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
/*
* We just move frame buffer area to the very end of
@ -118,7 +116,7 @@
*/
frame_buffer: frame_buffer@9e000000 {
compatible = "shared-dma-pool";
reg = <0x9e000000 0x2000000>;
reg = <0x0 0x9e000000 0x0 0x2000000>;
no-map;
};
};

21
arch/arc/boot/dts/axc003.dtsi
View File

@ -14,15 +14,15 @@
/ {
compatible = "snps,arc";
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@ -94,30 +94,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&core_intc>;
interrupts = < 24 >;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
reg = <0x80000000 0x20000000>; /* 512MiB */
/* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
reg = <0xbe000000 0x2000000>;
reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};

21
arch/arc/boot/dts/axc003_idu.dtsi
View File

@ -14,15 +14,15 @@
/ {
compatible = "snps,arc";
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
cpu_card {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xf0000000 0x10000000>;
ranges = <0x00000000 0x0 0xf0000000 0x10000000>;
core_clk: core_clk {
#clock-cells = <0>;
@ -100,30 +100,29 @@
mb_intc: dw-apb-ictl@0xe0012000 {
#interrupt-cells = <1>;
compatible = "snps,dw-apb-ictl";
reg = < 0xe0012000 0x200 >;
reg = < 0x0 0xe0012000 0x0 0x200 >;
interrupt-controller;
interrupt-parent = <&idu_intc>;
interrupts = <0>;
};
memory {
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0x80000000 0x40000000>;
device_type = "memory";
reg = <0x80000000 0x20000000>; /* 512MiB */
/* CONFIG_KERNEL_RAM_BASE_ADDRESS needs to match low mem start */
reg = <0x0 0x80000000 0x0 0x20000000 /* 512 MiB low mem */
0x1 0xc0000000 0x0 0x40000000>; /* 1 GiB highmem */
};
reserved-memory {
#address-cells = <1>;
#size-cells = <1>;
#address-cells = <2>;
#size-cells = <2>;
ranges;
/*
* Move frame buffer out of IOC aperture (0x8z-0xAz).
*/
frame_buffer: frame_buffer@be000000 {
compatible = "shared-dma-pool";
reg = <0xbe000000 0x2000000>;
reg = <0x0 0xbe000000 0x0 0x2000000>;
no-map;
};
};

2
arch/arc/boot/dts/axs10x_mb.dtsi
View File

@ -13,7 +13,7 @@
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x00000000 0xe0000000 0x10000000>;
ranges = <0x00000000 0x0 0xe0000000 0x10000000>;
interrupt-parent = <&mb_intc>;
i2sclk: i2sclk@100a0 {

1
arch/arc/configs/haps_hs_defconfig
View File

@ -21,7 +21,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="haps_hs"
CONFIG_PREEMPT=y

1
arch/arc/configs/haps_hs_smp_defconfig
View File

@ -23,7 +23,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_BUILTIN_DTB_NAME="haps_hs_idu"

1
arch/arc/configs/nps_defconfig
View File

@ -39,7 +39,6 @@ CONFIG_IP_PNP=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set

1
arch/arc/configs/nsim_700_defconfig
View File

@ -23,7 +23,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_700"
CONFIG_PREEMPT=y
# CONFIG_COMPACTION is not set

1
arch/arc/configs/nsim_hs_defconfig
View File

@ -26,7 +26,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs"
CONFIG_PREEMPT=y

1
arch/arc/configs/nsim_hs_smp_defconfig
View File

@ -24,7 +24,6 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs_idu"

1
arch/arc/configs/nsimosci_defconfig
View File

@ -23,7 +23,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci"
# CONFIG_COMPACTION is not set
CONFIG_NET=y

1
arch/arc/configs/nsimosci_hs_defconfig
View File

@ -23,7 +23,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci_hs"
# CONFIG_COMPACTION is not set

1
arch/arc/configs/nsimosci_hs_smp_defconfig
View File

@ -18,7 +18,6 @@ CONFIG_MODULES=y
# CONFIG_BLK_DEV_BSG is not set
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
# CONFIG_ARC_TIMERS_64BIT is not set

1
arch/arc/configs/tb10x_defconfig
View File

@ -38,7 +38,6 @@ CONFIG_IP_MULTICAST=y
# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_INET_LRO is not set
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set

2
arch/arc/include/asm/cache.h
View File

@ -96,7 +96,9 @@ extern unsigned long perip_base, perip_end;
#define ARC_REG_SLC_FLUSH 0x904
#define ARC_REG_SLC_INVALIDATE 0x905
#define ARC_REG_SLC_RGN_START 0x914
#define ARC_REG_SLC_RGN_START1 0x915
#define ARC_REG_SLC_RGN_END 0x916
#define ARC_REG_SLC_RGN_END1 0x917
/* Bit val in SLC_CONTROL */
#define SLC_CTRL_DIS 0x001

2
arch/arc/include/asm/mmu.h
View File

@ -94,6 +94,8 @@ static inline int is_pae40_enabled(void)
return IS_ENABLED(CONFIG_ARC_HAS_PAE40);
}
extern int pae40_exist_but_not_enab(void);
#endif /* !__ASSEMBLY__ */
#endif

3
arch/arc/kernel/intc-arcv2.c
View File

@ -75,10 +75,13 @@ void arc_init_IRQ(void)
* Set a default priority for all available interrupts to prevent
* switching of register banks if Fast IRQ and multiple register banks
* are supported by CPU.
* Also disable all IRQ lines so faulty external hardware won't
* trigger interrupt that kernel is not ready to handle.
*/
for (i = NR_EXCEPTIONS; i < irq_bcr.irqs + NR_EXCEPTIONS; i++) {
write_aux_reg(AUX_IRQ_SELECT, i);
write_aux_reg(AUX_IRQ_PRIORITY, ARCV2_IRQ_DEF_PRIO);
write_aux_reg(AUX_IRQ_ENABLE, 0);
}
/* setup status32, don't enable intr yet as kernel doesn't want */

14
arch/arc/kernel/intc-compact.c
View File

@ -27,7 +27,7 @@
*/
void arc_init_IRQ(void)
{
int level_mask = 0;
int level_mask = 0, i;
/* Is timer high priority Interrupt (Level2 in ARCompact jargon) */
level_mask |= IS_ENABLED(CONFIG_ARC_COMPACT_IRQ_LEVELS) << TIMER0_IRQ;
@ -40,6 +40,18 @@ void arc_init_IRQ(void)
if (level_mask)
pr_info("Level-2 interrupts bitset %x\n", level_mask);
/*
* Disable all IRQ lines so faulty external hardware won't
* trigger interrupt that kernel is not ready to handle.
*/
for (i = TIMER0_IRQ; i < NR_CPU_IRQS; i++) {
unsigned int ienb;
ienb = read_aux_reg(AUX_IENABLE);
ienb &= ~(1 << i);
write_aux_reg(AUX_IENABLE, ienb);
}
}
/*

50
arch/arc/mm/cache.c
View File

@ -665,6 +665,7 @@ noinline void slc_op(phys_addr_t paddr, unsigned long sz, const int op)
static DEFINE_SPINLOCK(lock);
unsigned long flags;
unsigned int ctrl;
phys_addr_t end;
spin_lock_irqsave(&lock, flags);
@ -694,8 +695,19 @@ noinline void slc_op(phys_addr_t paddr, unsigned long sz, const int op)
* END needs to be setup before START (latter triggers the operation)
* END can't be same as START, so add (l2_line_sz - 1) to sz
*/
write_aux_reg(ARC_REG_SLC_RGN_END, (paddr + sz + l2_line_sz - 1));
write_aux_reg(ARC_REG_SLC_RGN_START, paddr);
end = paddr + sz + l2_line_sz - 1;
if (is_pae40_enabled())
write_aux_reg(ARC_REG_SLC_RGN_END1, upper_32_bits(end));
write_aux_reg(ARC_REG_SLC_RGN_END, lower_32_bits(end));
if (is_pae40_enabled())
write_aux_reg(ARC_REG_SLC_RGN_START1, upper_32_bits(paddr));
write_aux_reg(ARC_REG_SLC_RGN_START, lower_32_bits(paddr));
/* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */
read_aux_reg(ARC_REG_SLC_CTRL);
while (read_aux_reg(ARC_REG_SLC_CTRL) & SLC_CTRL_BUSY);
@ -1111,6 +1123,13 @@ noinline void __init arc_ioc_setup(void)
__dc_enable();
}
/*
* Cache related boot time checks/setups only needed on master CPU:
* - Geometry checks (kernel build and hardware agree: e.g. L1_CACHE_BYTES)
* Assume SMP only, so all cores will have same cache config. A check on
* one core suffices for all
* - IOC setup / dma callbacks only need to be done once
*/
void __init arc_cache_init_master(void)
{
unsigned int __maybe_unused cpu = smp_processor_id();
@ -1190,12 +1209,27 @@ void __ref arc_cache_init(void)
printk(arc_cache_mumbojumbo(0, str, sizeof(str)));
/*
* Only master CPU needs to execute rest of function:
* - Assume SMP so all cores will have same cache config so
* any geomtry checks will be same for all
* - IOC setup / dma callbacks only need to be setup once
*/
if (!cpu)
arc_cache_init_master();
/*
* In PAE regime, TLB and cache maintenance ops take wider addresses
* And even if PAE is not enabled in kernel, the upper 32-bits still need
* to be zeroed to keep the ops sane.
* As an optimization for more common !PAE enabled case, zero them out
* once at init, rather than checking/setting to 0 for every runtime op
*/
if (is_isa_arcv2() && pae40_exist_but_not_enab()) {
if (IS_ENABLED(CONFIG_ARC_HAS_ICACHE))
write_aux_reg(ARC_REG_IC_PTAG_HI, 0);
if (IS_ENABLED(CONFIG_ARC_HAS_DCACHE))
write_aux_reg(ARC_REG_DC_PTAG_HI, 0);
if (l2_line_sz) {
write_aux_reg(ARC_REG_SLC_RGN_END1, 0);
write_aux_reg(ARC_REG_SLC_RGN_START1, 0);
}
}
}

47
arch/arc/mm/dma.c
View File

@ -117,7 +117,7 @@ static int arc_dma_mmap(struct device *dev, struct vm_area_struct *vma,
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret))
if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret))
return ret;
if (off < count && user_count <= (count - off)) {
@ -153,6 +153,19 @@ static void _dma_cache_sync(phys_addr_t paddr, size_t size,
}
}
/*
* arc_dma_map_page - map a portion of a page for streaming DMA
*
* Ensure that any data held in the cache is appropriately discarded
* or written back.
*
* The device owns this memory once this call has completed. The CPU
* can regain ownership by calling dma_unmap_page().
*
* Note: while it takes struct page as arg, caller can "abuse" it to pass
* a region larger than PAGE_SIZE, provided it is physically contiguous
* and this still works correctly
*/
static dma_addr_t arc_dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size, enum dma_data_direction dir,
unsigned long attrs)
@ -165,6 +178,24 @@ static dma_addr_t arc_dma_map_page(struct device *dev, struct page *page,
return plat_phys_to_dma(dev, paddr);
}
/*
* arc_dma_unmap_page - unmap a buffer previously mapped through dma_map_page()
*
* After this call, reads by the CPU to the buffer are guaranteed to see
* whatever the device wrote there.
*
* Note: historically this routine was not implemented for ARC
*/
static void arc_dma_unmap_page(struct device *dev, dma_addr_t handle,
size_t size, enum dma_data_direction dir,
unsigned long attrs)
{
phys_addr_t paddr = plat_dma_to_phys(dev, handle);
if (!(attrs & DMA_ATTR_SKIP_CPU_SYNC))
_dma_cache_sync(paddr, size, dir);
}
static int arc_dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir, unsigned long attrs)
{
@ -178,6 +209,18 @@ static int arc_dma_map_sg(struct device *dev, struct scatterlist *sg,
return nents;
}
static void arc_dma_unmap_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir,
unsigned long attrs)
{
struct scatterlist *s;
int i;
for_each_sg(sg, s, nents, i)
arc_dma_unmap_page(dev, sg_dma_address(s), sg_dma_len(s), dir,
attrs);
}
static void arc_dma_sync_single_for_cpu(struct device *dev,
dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
{
@ -223,7 +266,9 @@ const struct dma_map_ops arc_dma_ops = {
.free = arc_dma_free,
.mmap = arc_dma_mmap,
.map_page = arc_dma_map_page,
.unmap_page = arc_dma_unmap_page,
.map_sg = arc_dma_map_sg,
.unmap_sg = arc_dma_unmap_sg,
.sync_single_for_device = arc_dma_sync_single_for_device,
.sync_single_for_cpu = arc_dma_sync_single_for_cpu,
.sync_sg_for_cpu = arc_dma_sync_sg_for_cpu,

12
arch/arc/mm/tlb.c
View File

@ -104,6 +104,8 @@
/* A copy of the ASID from the PID reg is kept in asid_cache */
DEFINE_PER_CPU(unsigned int, asid_cache) = MM_CTXT_FIRST_CYCLE;
static int __read_mostly pae_exists;
/*
* Utility Routine to erase a J-TLB entry
* Caller needs to setup Index Reg (manually or via getIndex)
@ -784,7 +786,7 @@ void read_decode_mmu_bcr(void)
mmu->u_dtlb = mmu4->u_dtlb * 4;
mmu->u_itlb = mmu4->u_itlb * 4;
mmu->sasid = mmu4->sasid;
mmu->pae = mmu4->pae;
pae_exists = mmu->pae = mmu4->pae;
}
}
@ -809,6 +811,11 @@ char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len)
return buf;
}
int pae40_exist_but_not_enab(void)
{
return pae_exists && !is_pae40_enabled();
}
void arc_mmu_init(void)
{
char str[256];
@ -859,6 +866,9 @@ void arc_mmu_init(void)
/* swapper_pg_dir is the pgd for the kernel, used by vmalloc */
write_aux_reg(ARC_REG_SCRATCH_DATA0, swapper_pg_dir);
#endif
if (pae40_exist_but_not_enab())
write_aux_reg(ARC_REG_TLBPD1HI, 0);
}
/*

13
arch/arc/plat-sim/Kconfig
View File

@ -1,13 +0,0 @@
#
# Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
menuconfig ARC_PLAT_SIM
bool "ARC nSIM based simulation virtual platforms"
help
Support for nSIM based ARC simulation platforms
This includes the standalone nSIM (uart only) vs. System C OSCI VP

5
arch/arc/plat-sim/platform.c
View File

@ -20,11 +20,14 @@
*/
static const char *simulation_compat[] __initconst = {
#ifdef CONFIG_ISA_ARCOMPACT
"snps,nsim",
"snps,nsim_hs",
"snps,nsimosci",
#else
"snps,nsim_hs",
"snps,nsimosci_hs",
"snps,zebu_hs",
#endif
NULL,
};

2
arch/arm/Kconfig
View File

@ -380,7 +380,7 @@ config ARCH_EP93XX
bool "EP93xx-based"
select ARCH_HAS_HOLES_MEMORYMODEL
select ARM_AMBA
select ARM_PATCH_PHYS_VIRT
imply ARM_PATCH_PHYS_VIRT
select ARM_VIC
select AUTO_ZRELADDR
select CLKDEV_LOOKUP

4
arch/arm/boot/dts/armada-388-gp.dts
View File

@ -75,7 +75,7 @@
pinctrl-names = "default";
pinctrl-0 = <&pca0_pins>;
interrupt-parent = <&gpio0>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
@ -87,7 +87,7 @@
compatible = "nxp,pca9555";
pinctrl-names = "default";
interrupt-parent = <&gpio0>;
interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;

21
arch/arm/boot/dts/da850-evm.dts
View File

@ -301,25 +301,4 @@
pinctrl-names = "default";
pinctrl-0 = <&vpif_capture_pins>, <&vpif_display_pins>;
status = "okay";
/* VPIF capture port */
port@0 {
vpif_input_ch0: endpoint@0 {
reg = <0>;
bus-width = <8>;
};
vpif_input_ch1: endpoint@1 {
reg = <1>;
bus-width = <8>;
data-shift = <8>;
};
};
/* VPIF display port */
port@1 {
vpif_output_ch0: endpoint {
bus-width = <8>;
};
};
};

7
arch/arm/boot/dts/da850-lcdk.dts
View File

@ -318,11 +318,4 @@
pinctrl-names = "default";
pinctrl-0 = <&vpif_capture_pins>;
status = "okay";
/* VPIF capture port */
port {
vpif_ch0: endpoint {
bus-width = <8>;
};
};
};

34
arch/arm/boot/dts/dm8168-evm.dts
View File

@ -68,6 +68,34 @@
DM816X_IOPAD(0x0d08, MUX_MODE0) /* USB1_DRVVBUS */
>;
};
nandflash_pins: nandflash_pins {
pinctrl-single,pins = <
DM816X_IOPAD(0x0b38, PULL_UP | MUX_MODE0) /* PINCTRL207 GPMC_CS0*/
DM816X_IOPAD(0x0b60, PULL_ENA | MUX_MODE0) /* PINCTRL217 GPMC_ADV_ALE */
DM816X_IOPAD(0x0b54, PULL_UP | PULL_ENA | MUX_MODE0) /* PINCTRL214 GPMC_OE_RE */
DM816X_IOPAD(0x0b58, PULL_ENA | MUX_MODE0) /* PINCTRL215 GPMC_BE0_CLE */
DM816X_IOPAD(0x0b50, PULL_UP | MUX_MODE0) /* PINCTRL213 GPMC_WE */
DM816X_IOPAD(0x0b6c, MUX_MODE0) /* PINCTRL220 GPMC_WAIT */
DM816X_IOPAD(0x0be4, PULL_ENA | MUX_MODE0) /* PINCTRL250 GPMC_CLK */
DM816X_IOPAD(0x0ba4, MUX_MODE0) /* PINCTRL234 GPMC_D0 */
DM816X_IOPAD(0x0ba8, MUX_MODE0) /* PINCTRL234 GPMC_D1 */
DM816X_IOPAD(0x0bac, MUX_MODE0) /* PINCTRL234 GPMC_D2 */
DM816X_IOPAD(0x0bb0, MUX_MODE0) /* PINCTRL234 GPMC_D3 */
DM816X_IOPAD(0x0bb4, MUX_MODE0) /* PINCTRL234 GPMC_D4 */
DM816X_IOPAD(0x0bb8, MUX_MODE0) /* PINCTRL234 GPMC_D5 */
DM816X_IOPAD(0x0bbc, MUX_MODE0) /* PINCTRL234 GPMC_D6 */
DM816X_IOPAD(0x0bc0, MUX_MODE0) /* PINCTRL234 GPMC_D7 */
DM816X_IOPAD(0x0bc4, MUX_MODE0) /* PINCTRL234 GPMC_D8 */
DM816X_IOPAD(0x0bc8, MUX_MODE0) /* PINCTRL234 GPMC_D9 */
DM816X_IOPAD(0x0bcc, MUX_MODE0) /* PINCTRL234 GPMC_D10 */
DM816X_IOPAD(0x0bd0, MUX_MODE0) /* PINCTRL234 GPMC_D11 */
DM816X_IOPAD(0x0bd4, MUX_MODE0) /* PINCTRL234 GPMC_D12 */
DM816X_IOPAD(0x0bd8, MUX_MODE0) /* PINCTRL234 GPMC_D13 */
DM816X_IOPAD(0x0bdc, MUX_MODE0) /* PINCTRL234 GPMC_D14 */
DM816X_IOPAD(0x0be0, MUX_MODE0) /* PINCTRL234 GPMC_D15 */
>;
};
};
&i2c1 {
@ -90,6 +118,8 @@
&gpmc {
ranges = <0 0 0x04000000 0x01000000>; /* CS0: 16MB for NAND */
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins>;
nand@0,0 {
compatible = "ti,omap2-nand";
@ -98,9 +128,11 @@
interrupt-parent = <&gpmc>;
interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
<1 IRQ_TYPE_NONE>; /* termcount */
rb-gpios = <&gpmc 0 GPIO_ACTIVE_HIGH>; /* gpmc_wait0 */
#address-cells = <1>;
#size-cells = <1>;
ti,nand-ecc-opt = "bch8";
ti,elm-id = <&elm>;
nand-bus-width = <16>;
gpmc,device-width = <2>;
gpmc,sync-clk-ps = <0>;
@ -164,7 +196,7 @@
vmmc-supply = <&vmmcsd_fixed>;
bus-width = <4>;
cd-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>;
wp-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
};
/* At least dm8168-evm rev c won't support multipoint, later may */

2
arch/arm/boot/dts/dm816x.dtsi
View File

@ -145,7 +145,7 @@
};
elm: elm@48080000 {
compatible = "ti,816-elm";
compatible = "ti,am3352-elm";
ti,hwmods = "elm";
reg = <0x48080000 0x2000>;
interrupts = <4>;

4
arch/arm/boot/dts/dra71-evm.dts
View File

@ -190,7 +190,7 @@
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_250_PS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
ti,impedance-control = <0x1f>;
ti,min-output-impedance;
};
dp83867_1: ethernet-phy@3 {
@ -198,7 +198,7 @@
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_250_PS>;
ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_8_B_NIB>;
ti,impedance-control = <0x1f>;
ti,min-output-impedance;
};
};

3
arch/arm/boot/dts/exynos4.dtsi
View File

@ -59,6 +59,9 @@
compatible = "samsung,exynos4210-audss-clock";
reg = <0x03810000 0x0C>;
#clock-cells = <1>;
clocks = <&clock CLK_FIN_PLL>, <&clock CLK_FOUT_EPLL>,
<&clock CLK_SCLK_AUDIO0>, <&clock CLK_SCLK_AUDIO0>;
clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in";
};
i2s0: i2s@03830000 {

1
arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
View File

@ -266,6 +266,7 @@
&hdmicec {
status = "okay";
needs-hpd;
};
&hsi2c_4 {

1
arch/arm/boot/dts/imx25.dtsi
View File

@ -297,6 +297,7 @@
#address-cells = <1>;
#size-cells = <1>;
status = "disabled";
ranges;
adc: adc@50030800 {
compatible = "fsl,imx25-gcq";

4
arch/arm/boot/dts/imx6qdl-nitrogen6_som2.dtsi
View File

@ -507,7 +507,7 @@
pinctrl_pcie: pciegrp {
fsl,pins = <
/* PCIe reset */
MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0x030b0
MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x030b0
MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x030b0
>;
};
@ -668,7 +668,7 @@
&pcie {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcie>;
reset-gpio = <&gpio6 31 GPIO_ACTIVE_LOW>;
reset-gpio = <&gpio3 0 GPIO_ACTIVE_LOW>;
status = "okay";
};

16
arch/arm/boot/dts/imx7d-sdb.dts
View File

@ -557,6 +557,14 @@
>;
};
pinctrl_spi4: spi4grp {
fsl,pins = <
MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
>;
};
pinctrl_tsc2046_pendown: tsc2046_pendown {
fsl,pins = <
MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x59
@ -697,13 +705,5 @@
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO01__PWM1_OUT 0x110b0
>;
pinctrl_spi4: spi4grp {
fsl,pins = <
MX7D_PAD_GPIO1_IO09__GPIO1_IO9 0x59
MX7D_PAD_GPIO1_IO12__GPIO1_IO12 0x59
MX7D_PAD_GPIO1_IO13__GPIO1_IO13 0x59
>;
};
};
};

4
arch/arm/boot/dts/rk3288.dtsi
View File

@ -1126,8 +1126,8 @@
};
};
gpu: mali@ffa30000 {
compatible = "rockchip,rk3288-mali", "arm,mali-t760", "arm,mali-midgard";
gpu: gpu@ffa30000 {
compatible = "rockchip,rk3288-mali", "arm,mali-t760";
reg = <0xffa30000 0x10000>;
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,

12
arch/arm/boot/dts/sama5d2.dtsi
View File

@ -303,7 +303,7 @@
#size-cells = <1>;
atmel,smc = <&hsmc>;
reg = <0x10000000 0x10000000
0x40000000 0x30000000>;
0x60000000 0x30000000>;
ranges = <0x0 0x0 0x10000000 0x10000000
0x1 0x0 0x60000000 0x10000000
0x2 0x0 0x70000000 0x10000000
@ -1048,18 +1048,18 @@
};
hsmc: hsmc@f8014000 {
compatible = "atmel,sama5d3-smc", "syscon", "simple-mfd";
compatible = "atmel,sama5d2-smc", "syscon", "simple-mfd";
reg = <0xf8014000 0x1000>;
interrupts = <5 IRQ_TYPE_LEVEL_HIGH 6>;
interrupts = <17 IRQ_TYPE_LEVEL_HIGH 6>;
clocks = <&hsmc_clk>;
#address-cells = <1>;
#size-cells = <1>;
ranges;
pmecc: ecc-engine@ffffc070 {
pmecc: ecc-engine@f8014070 {
compatible = "atmel,sama5d2-pmecc";
reg = <0xffffc070 0x490>,
<0xffffc500 0x100>;
reg = <0xf8014070 0x490>,
<0xf8014500 0x100>;
};
};

16
arch/arm/boot/dts/sun8i-a83t.dtsi
View File

@ -44,7 +44,9 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/sun8i-a83t-ccu.h>
#include <dt-bindings/clock/sun8i-r-ccu.h>
#include <dt-bindings/reset/sun8i-a83t-ccu.h>
/ {
interrupt-parent = <&gic>;
@ -175,8 +177,8 @@
compatible = "allwinner,sun8i-a83t-dma";
reg = <0x01c02000 0x1000>;
interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu 21>;
resets = <&ccu 7>;
clocks = <&ccu CLK_BUS_DMA>;
resets = <&ccu RST_BUS_DMA>;
#dma-cells = <1>;
};
@ -195,7 +197,7 @@
<GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
reg = <0x01c20800 0x400>;
clocks = <&ccu 45>, <&osc24M>, <&osc16Md512>;
clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc16Md512>;
clock-names = "apb", "hosc", "losc";
gpio-controller;
interrupt-controller;
@ -247,8 +249,8 @@
"allwinner,sun8i-h3-spdif";
reg = <0x01c21000 0x400>;
interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu 44>, <&ccu 76>;
resets = <&ccu 32>;
clocks = <&ccu CLK_BUS_SPDIF>, <&ccu CLK_SPDIF>;
resets = <&ccu RST_BUS_SPDIF>;
clock-names = "apb", "spdif";
dmas = <&dma 2>;
dma-names = "tx";
@ -263,8 +265,8 @@
interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
clocks = <&ccu 53>;
resets = <&ccu 40>;
clocks = <&ccu CLK_BUS_UART0>;
resets = <&ccu RST_BUS_UART0>;
status = "disabled";
};

2
arch/arm/boot/dts/sunxi-h3-h5.dtsi
View File

@ -394,7 +394,7 @@
emac: ethernet@1c30000 {
compatible = "allwinner,sun8i-h3-emac";
syscon = <&syscon>;
reg = <0x01c30000 0x104>;
reg = <0x01c30000 0x10000>;
interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
resets = <&ccu RST_BUS_EMAC>;

2
arch/arm/boot/dts/tango4-vantage-1172.dts
View File

@ -22,7 +22,7 @@
};
&eth0 {
phy-connection-type = "rgmii";
phy-connection-type = "rgmii-id";
phy-handle = <&eth0_phy>;
#address-cells = <1>;
#size-cells = <0>;

2
arch/arm/include/asm/bug.h
View File

@ -37,7 +37,7 @@ do { \
".pushsection .rodata.str, \"aMS\", %progbits, 1\n" \
"2:\t.asciz " #__file "\n" \
".popsection\n" \
".pushsection __bug_table,\"a\"\n" \
".pushsection __bug_table,\"aw\"\n" \
".align 2\n" \
"3:\t.word 1b, 2b\n" \
"\t.hword " #__line ", 0\n" \

2
arch/arm/include/asm/cacheflush.h
View File

@ -116,7 +116,7 @@ struct cpu_cache_fns {
void (*dma_unmap_area)(const void *, size_t, int);
void (*dma_flush_range)(const void *, const void *);
};
} __no_randomize_layout;
/*
* Select the calling method

5
arch/arm/include/asm/kexec.h
View File

@ -19,6 +19,11 @@
#ifndef __ASSEMBLY__
#define ARCH_HAS_KIMAGE_ARCH
struct kimage_arch {
u32 kernel_r2;
};
/**
* crash_setup_regs() - save registers for the panic kernel
* @newregs: registers are saved here

11
arch/arm/include/asm/tlb.h
View File

@ -148,7 +148,8 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb)
}
static inline void
tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
arch_tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm,
unsigned long start, unsigned long end)
{
tlb->mm = mm;
tlb->fullmm = !(start | (end+1));
@ -166,8 +167,14 @@ tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start
}
static inline void
tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end)
arch_tlb_finish_mmu(struct mmu_gather *tlb,
unsigned long start, unsigned long end, bool force)
{
if (force) {
tlb->range_start = start;
tlb->range_end = end;
}
tlb_flush_mmu(tlb);
/* keep the page table cache within bounds */

6
arch/arm/include/asm/ucontext.h
View File

@ -35,6 +35,12 @@ struct ucontext {
* bytes, to prevent unpredictable padding in the signal frame.
*/
/*
* Dummy padding block: if this magic is encountered, the block should
* be skipped using the corresponding size field.
*/
#define DUMMY_MAGIC 0xb0d9ed01
#ifdef CONFIG_CRUNCH
#define CRUNCH_MAGIC 0x5065cf03
#define CRUNCH_STORAGE_SIZE (CRUNCH_SIZE + 8)

11
arch/arm/kernel/machine_kexec.c
View File

@ -30,7 +30,6 @@ extern unsigned long kexec_boot_atags;
static atomic_t waiting_for_crash_ipi;
static unsigned long dt_mem;
/*
* Provide a dummy crash_notes definition while crash dump arrives to arm.
* This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
@ -42,6 +41,9 @@ int machine_kexec_prepare(struct kimage *image)
__be32 header;
int i, err;
image->arch.kernel_r2 = image->start - KEXEC_ARM_ZIMAGE_OFFSET
+ KEXEC_ARM_ATAGS_OFFSET;
/*
* Validate that if the current HW supports SMP, then the SW supports
* and implements CPU hotplug for the current HW. If not, we won't be
@ -66,8 +68,8 @@ int machine_kexec_prepare(struct kimage *image)
if (err)
return err;
if (be32_to_cpu(header) == OF_DT_HEADER)
dt_mem = current_segment->mem;
if (header == cpu_to_be32(OF_DT_HEADER))
image->arch.kernel_r2 = current_segment->mem;
}
return 0;
}
@ -165,8 +167,7 @@ void machine_kexec(struct kimage *image)
kexec_start_address = image->start;
kexec_indirection_page = page_list;
kexec_mach_type = machine_arch_type;
kexec_boot_atags = dt_mem ?: image->start - KEXEC_ARM_ZIMAGE_OFFSET
+ KEXEC_ARM_ATAGS_OFFSET;
kexec_boot_atags = image->arch.kernel_r2;
/* copy our kernel relocation code to the control code page */
reboot_entry = fncpy(reboot_code_buffer,

3
arch/arm/kernel/setup.c
View File

@ -987,6 +987,9 @@ static void __init reserve_crashkernel(void)
if (crash_base <= 0) {
unsigned long long crash_max = idmap_to_phys((u32)~0);
unsigned long long lowmem_max = __pa(high_memory - 1) + 1;
if (crash_max > lowmem_max)
crash_max = lowmem_max;
crash_base = memblock_find_in_range(CRASH_ALIGN, crash_max,
crash_size, CRASH_ALIGN);
if (!crash_base) {

70
arch/arm/kernel/signal.c
View File

@ -40,8 +40,10 @@ static int preserve_crunch_context(struct crunch_sigframe __user *frame)
return __copy_to_user(frame, kframe, sizeof(*frame));
}
static int restore_crunch_context(struct crunch_sigframe __user *frame)
static int restore_crunch_context(char __user **auxp)
{
struct crunch_sigframe __user *frame =
(struct crunch_sigframe __user *)*auxp;
char kbuf[sizeof(*frame) + 8];
struct crunch_sigframe *kframe;
@ -52,6 +54,7 @@ static int restore_crunch_context(struct crunch_sigframe __user *frame)
if (kframe->magic != CRUNCH_MAGIC ||
kframe->size != CRUNCH_STORAGE_SIZE)
return -1;
*auxp += CRUNCH_STORAGE_SIZE;
crunch_task_restore(current_thread_info(), &kframe->storage);
return 0;
}
@ -59,21 +62,39 @@ static int restore_crunch_context(struct crunch_sigframe __user *frame)
#ifdef CONFIG_IWMMXT
static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
static int preserve_iwmmxt_context(struct iwmmxt_sigframe __user *frame)
{
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;
int err = 0;
/* the iWMMXt context must be 64 bit aligned */
kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
if (test_thread_flag(TIF_USING_IWMMXT)) {
kframe->magic = IWMMXT_MAGIC;
kframe->size = IWMMXT_STORAGE_SIZE;
iwmmxt_task_copy(current_thread_info(), &kframe->storage);
return __copy_to_user(frame, kframe, sizeof(*frame));
err = __copy_to_user(frame, kframe, sizeof(*frame));
} else {
/*
* For bug-compatibility with older kernels, some space
* has to be reserved for iWMMXt even if it's not used.
* Set the magic and size appropriately so that properly
* written userspace can skip it reliably:
*/
__put_user_error(DUMMY_MAGIC, &frame->magic, err);
__put_user_error(IWMMXT_STORAGE_SIZE, &frame->size, err);
}
return err;
}
static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
static int restore_iwmmxt_context(char __user **auxp)
{
struct iwmmxt_sigframe __user *frame =
(struct iwmmxt_sigframe __user *)*auxp;
char kbuf[sizeof(*frame) + 8];
struct iwmmxt_sigframe *kframe;
@ -81,10 +102,28 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
if (__copy_from_user(kframe, frame, sizeof(*frame)))
return -1;
if (kframe->magic != IWMMXT_MAGIC ||
kframe->size != IWMMXT_STORAGE_SIZE)
/*
* For non-iWMMXt threads: a single iwmmxt_sigframe-sized dummy
* block is discarded for compatibility with setup_sigframe() if
* present, but we don't mandate its presence. If some other
* magic is here, it's not for us:
*/
if (!test_thread_flag(TIF_USING_IWMMXT) &&
kframe->magic != DUMMY_MAGIC)
return 0;
if (kframe->size != IWMMXT_STORAGE_SIZE)
return -1;
if (test_thread_flag(TIF_USING_IWMMXT)) {
if (kframe->magic != IWMMXT_MAGIC)
return -1;
iwmmxt_task_restore(current_thread_info(), &kframe->storage);
}
*auxp += IWMMXT_STORAGE_SIZE;
return 0;
}
@ -107,8 +146,10 @@ static int preserve_vfp_context(struct vfp_sigframe __user *frame)
return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc);
}
static int restore_vfp_context(struct vfp_sigframe __user *frame)
static int restore_vfp_context(char __user **auxp)
{
struct vfp_sigframe __user *frame =
(struct vfp_sigframe __user *)*auxp;
unsigned long magic;
unsigned long size;
int err = 0;
@ -121,6 +162,7 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
return -EINVAL;
*auxp += size;
return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc);
}
@ -141,7 +183,7 @@ struct rt_sigframe {
static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf)
{
struct aux_sigframe __user *aux;
char __user *aux;
sigset_t set;
int err;
@ -169,18 +211,18 @@ static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf)
err |= !valid_user_regs(regs);
aux = (struct aux_sigframe __user *) sf->uc.uc_regspace;
aux = (char __user *) sf->uc.uc_regspace;
#ifdef CONFIG_CRUNCH
if (err == 0)
err |= restore_crunch_context(&aux->crunch);
err |= restore_crunch_context(&aux);
#endif
#ifdef CONFIG_IWMMXT
if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
err |= restore_iwmmxt_context(&aux->iwmmxt);
if (err == 0)
err |= restore_iwmmxt_context(&aux);
#endif
#ifdef CONFIG_VFP
if (err == 0)
err |= restore_vfp_context(&aux->vfp);
err |= restore_vfp_context(&aux);
#endif
return err;
@ -286,7 +328,7 @@ setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set)
err |= preserve_crunch_context(&aux->crunch);
#endif
#ifdef CONFIG_IWMMXT
if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
if (err == 0)
err |= preserve_iwmmxt_context(&aux->iwmmxt);
#endif
#ifdef CONFIG_VFP

2
arch/arm/mach-at91/Kconfig
View File

@ -1,7 +1,7 @@
menuconfig ARCH_AT91
bool "Atmel SoCs"
depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7 || ARM_SINGLE_ARMV7M
select ARM_CPU_SUSPEND if PM
select ARM_CPU_SUSPEND if PM && ARCH_MULTI_V7
select COMMON_CLK_AT91
select GPIOLIB
select PINCTRL

12
arch/arm/mach-at91/pm.c
View File

@ -608,6 +608,9 @@ static void __init at91_pm_init(void (*pm_idle)(void))
void __init at91rm9200_pm_init(void)
{
if (!IS_ENABLED(CONFIG_SOC_AT91RM9200))
return;
at91_dt_ramc();
/*
@ -620,18 +623,27 @@ void __init at91rm9200_pm_init(void)
void __init at91sam9_pm_init(void)
{
if (!IS_ENABLED(CONFIG_SOC_AT91SAM9))
return;
at91_dt_ramc();
at91_pm_init(at91sam9_idle);
}
void __init sama5_pm_init(void)
{
if (!IS_ENABLED(CONFIG_SOC_SAMA5))
return;
at91_dt_ramc();
at91_pm_init(NULL);
}
void __init sama5d2_pm_init(void)
{
if (!IS_ENABLED(CONFIG_SOC_SAMA5D2))
return;
at91_pm_backup_init();
sama5_pm_init();
}

4
arch/arm/mach-davinci/board-da850-evm.c
View File

@ -1166,7 +1166,7 @@ static struct tvp514x_platform_data tvp5146_pdata = {
#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
static const struct vpif_input da850_ch0_inputs[] = {
static struct vpif_input da850_ch0_inputs[] = {
{
.input = {
.index = 0,
@ -1181,7 +1181,7 @@ static const struct vpif_input da850_ch0_inputs[] = {
},
};
static const struct vpif_input da850_ch1_inputs[] = {
static struct vpif_input da850_ch1_inputs[] = {
{
.input = {
.index = 0,

9
arch/arm/mach-davinci/clock.c
View File

@ -218,6 +218,15 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
}
EXPORT_SYMBOL(clk_set_parent);
struct clk *clk_get_parent(struct clk *clk)
{
if (!clk)
return NULL;
return clk->parent;
}
EXPORT_SYMBOL(clk_get_parent);
int clk_register(struct clk *clk)
{
if (clk == NULL || IS_ERR(clk))

20
arch/arm/mach-ep93xx/clock.c
View File

@ -475,6 +475,26 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
}
EXPORT_SYMBOL(clk_set_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_round_rate);
int clk_set_parent(struct clk *clk, struct clk *parent)
{
WARN_ON(clk);
return 0;
}
EXPORT_SYMBOL(clk_set_parent);
struct clk *clk_get_parent(struct clk *clk)
{
return clk->parent;
}
EXPORT_SYMBOL(clk_get_parent);
static char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
static char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };

34
arch/arm/mach-ixp4xx/include/mach/io.h
View File

@ -95,8 +95,10 @@ static inline void __indirect_writeb(u8 value, volatile void __iomem *p)
}
static inline void __indirect_writesb(volatile void __iomem *bus_addr,
const u8 *vaddr, int count)
const void *p, int count)
{
const u8 *vaddr = p;
while (count--)
writeb(*vaddr++, bus_addr);
}
@ -118,8 +120,10 @@ static inline void __indirect_writew(u16 value, volatile void __iomem *p)
}
static inline void __indirect_writesw(volatile void __iomem *bus_addr,
const u16 *vaddr, int count)
const void *p, int count)
{
const u16 *vaddr = p;
while (count--)
writew(*vaddr++, bus_addr);
}
@ -137,8 +141,9 @@ static inline void __indirect_writel(u32 value, volatile void __iomem *p)
}
static inline void __indirect_writesl(volatile void __iomem *bus_addr,
const u32 *vaddr, int count)
const void *p, int count)
{
const u32 *vaddr = p;
while (count--)
writel(*vaddr++, bus_addr);
}
@ -160,8 +165,10 @@ static inline u8 __indirect_readb(const volatile void __iomem *p)
}
static inline void __indirect_readsb(const volatile void __iomem *bus_addr,
u8 *vaddr, u32 count)
void *p, u32 count)
{
u8 *vaddr = p;
while (count--)
*vaddr++ = readb(bus_addr);
}
@ -183,8 +190,10 @@ static inline u16 __indirect_readw(const volatile void __iomem *p)
}
static inline void __indirect_readsw(const volatile void __iomem *bus_addr,
u16 *vaddr, u32 count)
void *p, u32 count)
{
u16 *vaddr = p;
while (count--)
*vaddr++ = readw(bus_addr);
}
@ -204,8 +213,10 @@ static inline u32 __indirect_readl(const volatile void __iomem *p)
}
static inline void __indirect_readsl(const volatile void __iomem *bus_addr,
u32 *vaddr, u32 count)
void *p, u32 count)
{
u32 *vaddr = p;
while (count--)
*vaddr++ = readl(bus_addr);
}
@ -523,8 +534,15 @@ static inline void iowrite32_rep(void __iomem *addr, const void *vaddr,
#endif
}
#define ioport_map(port, nr) ((void __iomem*)(port + PIO_OFFSET))
#define ioport_unmap(addr)
#define ioport_map(port, nr) ioport_map(port, nr)
static inline void __iomem *ioport_map(unsigned long port, unsigned int nr)
{
return ((void __iomem*)((port) + PIO_OFFSET));
}
#define ioport_unmap(addr) ioport_unmap(addr)
static inline void ioport_unmap(void __iomem *addr)
{
}
#endif /* CONFIG_PCI */
#endif /* __ASM_ARM_ARCH_IO_H */

2
arch/arm/mach-mmp/devices.c
View File

@ -238,7 +238,7 @@ void pxa_usb_phy_deinit(void __iomem *phy_reg)
#endif
#if IS_ENABLED(CONFIG_USB_SUPPORT)
static u64 usb_dma_mask = ~(u32)0;
static u64 __maybe_unused usb_dma_mask = ~(u32)0;
#if IS_ENABLED(CONFIG_USB_MV_UDC)
struct resource pxa168_u2o_resources[] = {

2
arch/arm/mach-mvebu/platsmp.c
View File

@ -211,7 +211,7 @@ static int mv98dx3236_resume_set_cpu_boot_addr(int hw_cpu, void *boot_addr)
return PTR_ERR(base);
writel(0, base + MV98DX3236_CPU_RESUME_CTRL_REG);
writel(virt_to_phys(boot_addr), base + MV98DX3236_CPU_RESUME_ADDR_REG);
writel(__pa_symbol(boot_addr), base + MV98DX3236_CPU_RESUME_ADDR_REG);
iounmap(base);

12
arch/arm/mach-omap1/board-ams-delta.c
View File

@ -510,6 +510,7 @@ static void __init ams_delta_init(void)
static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
{
struct modem_private_data *priv = port->private_data;
int ret;
if (IS_ERR(priv->regulator))
return;
@ -518,9 +519,16 @@ static void modem_pm(struct uart_port *port, unsigned int state, unsigned old)
return;
if (state == 0)
regulator_enable(priv->regulator);
ret = regulator_enable(priv->regulator);
else if (old == 0)
regulator_disable(priv->regulator);
ret = regulator_disable(priv->regulator);
else
ret = 0;
if (ret)
dev_warn(port->dev,
"ams_delta modem_pm: failed to %sable regulator: %d\n",
state ? "dis" : "en", ret);
}
static struct plat_serial8250_port ams_delta_modem_ports[] = {

4
arch/arm/mach-omap1/board-osk.c
View File

@ -441,13 +441,11 @@ static struct spi_board_info __initdata mistral_boardinfo[] = { {
.chip_select = 0,
} };
#ifdef CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
return IRQ_HANDLED;
}
#endif
static void __init osk_mistral_init(void)
{
@ -515,7 +513,6 @@ static void __init osk_mistral_init(void)
gpio_direction_input(OMAP_MPUIO(2));
irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
#ifdef CONFIG_PM
/* share the IRQ in case someone wants to use the
* button for more than wakeup from system sleep.
*/
@ -529,7 +526,6 @@ static void __init osk_mistral_init(void)
ret);
} else
enable_irq_wake(irq);
#endif
} else
printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");

2
arch/arm/mach-omap2/board-generic.c
View File

@ -28,7 +28,7 @@ static const struct of_device_id omap_dt_match_table[] __initconst = {
{ }
};
static void __init omap_generic_init(void)
static void __init __maybe_unused omap_generic_init(void)
{
pdata_quirks_init(omap_dt_match_table);

239
arch/arm/mach-omap2/hsmmc.c
View File

@ -32,120 +32,6 @@ static u16 control_devconf1_offset;
#define HSMMC_NAME_LEN 9
static void omap_hsmmc1_before_set_reg(struct device *dev,
int power_on, int vdd)
{
u32 reg, prog_io;
struct omap_hsmmc_platform_data *mmc = dev->platform_data;
if (mmc->remux)
mmc->remux(dev, power_on);
/*
* Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
* card with Vcc regulator (from twl4030 or whatever). OMAP has both
* 1.8V and 3.0V modes, controlled by the PBIAS register.
*
* In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which
* is most naturally TWL VSIM; those pins also use PBIAS.
*
* FIXME handle VMMC1A as needed ...
*/
if (power_on) {
if (cpu_is_omap2430()) {
reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
if ((1 << vdd) >= MMC_VDD_30_31)
reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
else
reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
}
if (mmc->internal_clock) {
reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
reg |= OMAP2_MMCSDIO1ADPCLKISEL;
omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
}
reg = omap_ctrl_readl(control_pbias_offset);
if (cpu_is_omap3630()) {
/* Set MMC I/O to 52MHz */
prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1);
prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL;
omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1);
} else {
reg |= OMAP2_PBIASSPEEDCTRL0;
}
reg &= ~OMAP2_PBIASLITEPWRDNZ0;
omap_ctrl_writel(reg, control_pbias_offset);
} else {
reg = omap_ctrl_readl(control_pbias_offset);
reg &= ~OMAP2_PBIASLITEPWRDNZ0;
omap_ctrl_writel(reg, control_pbias_offset);
}
}
static void omap_hsmmc1_after_set_reg(struct device *dev, int power_on, int vdd)
{
u32 reg;
/* 100ms delay required for PBIAS configuration */
msleep(100);
if (power_on) {
reg = omap_ctrl_readl(control_pbias_offset);
reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
if ((1 << vdd) <= MMC_VDD_165_195)
reg &= ~OMAP2_PBIASLITEVMODE0;
else
reg |= OMAP2_PBIASLITEVMODE0;
omap_ctrl_writel(reg, control_pbias_offset);
} else {
reg = omap_ctrl_readl(control_pbias_offset);
reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
OMAP2_PBIASLITEVMODE0);
omap_ctrl_writel(reg, control_pbias_offset);
}
}
static void hsmmc2_select_input_clk_src(struct omap_hsmmc_platform_data *mmc)
{
u32 reg;
reg = omap_ctrl_readl(control_devconf1_offset);
if (mmc->internal_clock)
reg |= OMAP2_MMCSDIO2ADPCLKISEL;
else
reg &= ~OMAP2_MMCSDIO2ADPCLKISEL;
omap_ctrl_writel(reg, control_devconf1_offset);
}
static void hsmmc2_before_set_reg(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_platform_data *mmc = dev->platform_data;
if (mmc->remux)
mmc->remux(dev, power_on);
if (power_on)
hsmmc2_select_input_clk_src(mmc);
}
static int am35x_hsmmc2_set_power(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_platform_data *mmc = dev->platform_data;
if (power_on)
hsmmc2_select_input_clk_src(mmc);
return 0;
}
static int nop_mmc_set_power(struct device *dev, int power_on, int vdd)
{
return 0;
}
static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
struct omap_hsmmc_platform_data *mmc)
{
@ -157,101 +43,11 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
return -ENOMEM;
}
if (c->name)
strncpy(hc_name, c->name, HSMMC_NAME_LEN);
else
snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i",
c->mmc, 1);
snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", c->mmc, 1);
mmc->name = hc_name;
mmc->caps = c->caps;
mmc->internal_clock = !c->ext_clock;
mmc->reg_offset = 0;
if (c->cover_only) {
/* detect if mobile phone cover removed */
mmc->gpio_cd = -EINVAL;
mmc->gpio_cod = c->gpio_cd;
} else {
/* card detect pin on the mmc socket itself */
mmc->gpio_cd = c->gpio_cd;
mmc->gpio_cod = -EINVAL;
}
mmc->gpio_wp = c->gpio_wp;
mmc->remux = c->remux;
mmc->init_card = c->init_card;
if (c->nonremovable)
mmc->nonremovable = 1;
/*
* NOTE: MMC slots should have a Vcc regulator set up.
* This may be from a TWL4030-family chip, another
* controllable regulator, or a fixed supply.
*
* temporary HACK: ocr_mask instead of fixed supply
*/
if (soc_is_am35xx())
mmc->ocr_mask = MMC_VDD_165_195 |
MMC_VDD_26_27 |
MMC_VDD_27_28 |
MMC_VDD_29_30 |
MMC_VDD_30_31 |
MMC_VDD_31_32;
else
mmc->ocr_mask = c->ocr_mask;
if (!soc_is_am35xx())
mmc->features |= HSMMC_HAS_PBIAS;
switch (c->mmc) {
case 1:
if (mmc->features & HSMMC_HAS_PBIAS) {
/* on-chip level shifting via PBIAS0/PBIAS1 */
mmc->before_set_reg =
omap_hsmmc1_before_set_reg;
mmc->after_set_reg =
omap_hsmmc1_after_set_reg;
}
if (soc_is_am35xx())
mmc->set_power = nop_mmc_set_power;
/* OMAP3630 HSMMC1 supports only 4-bit */
if (cpu_is_omap3630() &&
(c->caps & MMC_CAP_8_BIT_DATA)) {
c->caps &= ~MMC_CAP_8_BIT_DATA;
c->caps |= MMC_CAP_4_BIT_DATA;
mmc->caps = c->caps;
}
break;
case 2:
if (soc_is_am35xx())
mmc->set_power = am35x_hsmmc2_set_power;
if (c->ext_clock)
c->transceiver = 1;
if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) {
c->caps &= ~MMC_CAP_8_BIT_DATA;
c->caps |= MMC_CAP_4_BIT_DATA;
}
if (mmc->features & HSMMC_HAS_PBIAS) {
/* off-chip level shifting, or none */
mmc->before_set_reg = hsmmc2_before_set_reg;
mmc->after_set_reg = NULL;
}
break;
case 3:
case 4:
case 5:
mmc->before_set_reg = NULL;
mmc->after_set_reg = NULL;
break;
default:
pr_err("MMC%d configuration not supported!\n", c->mmc);
kfree(hc_name);
return -ENODEV;
}
return 0;
}
@ -260,7 +56,6 @@ static int omap_hsmmc_done;
void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
{
struct platform_device *pdev;
struct omap_hsmmc_platform_data *mmc_pdata;
int res;
if (omap_hsmmc_done != 1)
@ -269,32 +64,12 @@ void omap_hsmmc_late_init(struct omap2_hsmmc_info *c)
omap_hsmmc_done++;
for (; c->mmc; c++) {
if (!c->deferred)
continue;
pdev = c->pdev;
if (!pdev)
continue;
mmc_pdata = pdev->dev.platform_data;
if (!mmc_pdata)
continue;
if (c->cover_only) {
/* detect if mobile phone cover removed */
mmc_pdata->gpio_cd = -EINVAL;
mmc_pdata->gpio_cod = c->gpio_cd;
} else {
/* card detect pin on the mmc socket itself */
mmc_pdata->gpio_cd = c->gpio_cd;
mmc_pdata->gpio_cod = -EINVAL;
}
mmc_pdata->gpio_wp = c->gpio_wp;
res = omap_device_register(pdev);
if (res)
pr_err("Could not late init MMC %s\n",
c->name);
pr_err("Could not late init MMC\n");
}
}
@ -336,13 +111,6 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
if (oh->dev_attr != NULL) {
mmc_dev_attr = oh->dev_attr;
mmc_data->controller_flags = mmc_dev_attr->flags;
/*
* erratum 2.1.1.128 doesn't apply if board has
* a transceiver is attached
*/
if (hsmmcinfo->transceiver)
mmc_data->controller_flags &=
~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ;
}
pdev = platform_device_alloc(name, ctrl_nr - 1);
@ -367,9 +135,6 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo,
hsmmcinfo->pdev = pdev;
if (hsmmcinfo->deferred)
goto free_mmc;
res = omap_device_register(pdev);
if (res) {
pr_err("Could not register od for %s\n", name);

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