This reverts commit c80f52847c.
Regressions have been found and also run time based instantiation would
fail. We need more thoughts on this.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The Nomadik I2C was using a local atomic counter to number
the I2C adapters. This does not work on configurations where
you also add, say a GPIO bit-banged adapter to the system.
They will start to conflict about being adapter 0.
There is no reason to use the numbered adapter function, and
the semantic effect on systems with only Nomadik I2C blocks
will be none - instead of increasing the number atomically
in the driver itself, it is done in the I2C core.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The Nomadik I2C block was introduced with the Nomadik STn8815
SoC (the STn8810 incidentally is identical to the one named
i2c-stu300.c). However as developments have only been tested
on the DB8500 family, it was not properly working with the
STn8815 anymore.
Rectify this by adding some vendor variant data in the same
manner as other PrimeCells, and switch code path depending
on version.
Tested on the S8815 Nomadik dongle.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Add the compatible string for the Allwinner A10 i2c controller and the
associated register layout.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The Allwinner i2c controller uses the same logic as the Marvell one, but
with slightly different register offsets.
Introduce a structure that will be passed by either the pdata or
associated to the compatible strings, and that holds the various
registers that might be needed.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
These macros make it more comprehensive to access to useful masked and
shifted area of the various registers used.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This patch adds support for the I2C bus controllers found on Wondermedia
8xxx-series SoCs. Only master-mode is supported.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
[wsa: fixed one macro to shift 8 instead of 16]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
The designware block is not always properly disabled in the case of
transfer errors. Interrupts from aborted transfers might be handled
after the data structures for the following transfer are initialised but
before the hardware is set up. This can corrupt the data structures to
the point that the system is stuck in an infinite interrupt loop (where
FIFOs are never emptied because dev->msg_read_idx == dev->msgs_num).
This patch cleanly disables the designware-i2c hardware at the end of
every transfer, be it successful or not.
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
[wsa: extended the comment]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
TWI transfer interrupts may be lost when system is heavily handling other
interrupts, while current transfer handler depends on each accurate interrupt
and misses some data in this case. Because there are 2 2-byte FIFOs in blackfin
TWI controller, the occurrence of the data loss can be reduced by reading till
the RX FIFO is empty and writing till the TX FIFO is full.
Reported-by: Bob Maris <mail@maris-ee.eu>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This tries to address an issue found when writing an MFD driver
for the Nomadik STw481x PMICs: as the platform is using device
tree exclusively I want to specify the driver matching like
this:
static const struct of_device_id stw481x_match[] = {
{ .compatible = "st,stw4810", },
{ .compatible = "st,stw4811", },
{},
};
static struct i2c_driver stw481x_driver = {
.driver = {
.name = "stw481x",
.of_match_table = stw481x_match,
},
.probe = stw481x_probe,
.remove = stw481x_remove,
};
However that turns out not to be possible: the I2C probe code
is written so that the probe() call is always passed a match
from i2c_match_id() using non-devicetree matches.
This is probably why most devices using device tree for I2C
clients currently will pass no .of_match_table *at all* but
instead just use .id_table from struct i2c_driver to match
the device. As you realize that means that the whole idea with
compatible strings is discarded, and that is why we find strange
device tree I2C device compatible strings like "product" instead
of "vendor,product" as you could expect.
Let's figure out how to fix this before the mess spreads. This
patch will allow probeing devices with only an of_match_table
as per above, and will pass NULL as the second argument to the
probe() function. If the driver wants to deduce secondary info
from the struct of_device_id .data field, it has to call
of_match_device() on its own match table in the probe function
device tree probe path.
If drivers define both an .of_match_table *AND* a i2c_driver
.id_table, the .of_match_table will take precedence, just
as is done in the i2c_device_match() function in i2c-core.c.
I2C devices probed from device tree should subsequently be
fixed to handle the case where of_match_table() is
used (I think none of them do that today), and platforms should
fix their device trees to use compatible strings for I2C devices
instead of setting the name to Linux device driver names as is
done in multiple cases today.
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
If a process receives signal while it is waiting for I2C transfer to
complete, an error is returned to the caller and the transfer is aborted.
This can cause the driver to fail subsequent transfers. Also according to
commit d295a86eab (i2c: mv64xxx: work around signals causing I2C
transactions to be aborted) I2C drivers aren't supposed to abort
transactions on signals.
To prevent this switch to use wait_for_completion_timeout() instead of
wait_for_completion_interruptible_timeout() in the designware I2C driver.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Since commit ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for handling pinctrl.
So remove devm_pinctrl_get_select_default() from the driver.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Since commit ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for handling pinctrl.
So remove devm_pinctrl_get_select_default() from the driver.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Asking for a multi-part message to be handled by this driver is racy; it
has been observed that the following sequence is possible with this
driver:
- send start
- send address + write
- send data
- send (repeated) start
- send address + write
- send (repeated) start
- send address + read
- unrecoverable bus hang (except by system reset)
The problem is that the interrupt handling sees the next event after the
first repeated start is sent - the IFLG bit is set in the register even
though INTEN is disabled.
Let's fix this by moving all of the message processing into interrupt
context, rather than having it partly in IRQ and partly in process
context. This allows us to move immediately to the next message in the
interrupt handler and get on with the transfer, rather than incuring a
couple of scheduling switches to get the next message.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Move mv64xxx_i2c_prepare_for_io() higher up in the driver to avoid a
future forward declaration for this function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
As this driver does not advertise protocol mangling support
(I2C_FUNC_PROTOCOL_MANGLING is not set), having code to act on
I2C_M_NOSTART is illogical, and in any case isn't supportable on
anything but the first message - which makes no sense. Remove
the I2C_M_NOSTART code.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Propagate the error code from request_irq() rather than ignoring it
entirely.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
As we're changing to using devm_* APIs to fix various problems
in this driver, lets also do devm_kzalloc() while we're here too.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This driver forgets to use clk_put(). Rather than adding clk_put(),
lets instead use devm_clk_get() to obtain this clock so that it's
automatically handled on cleanup.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Eliminate reg_base_p and reg_size, mv64xxx_i2c_unmap_regs() and an
unchecked ioremap() return from this driver by using the devm_*
API for requesting and ioremapping resources.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
mv64xxx_i2c_map_regs() already returns an error code, so lets
propagate that to mv64xxx_i2c_probe()'s caller.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Moorestown support is removed from kernel and Medfield is supported by
i2c-designware-pci. But i2c-intel-mid is still in upstream and community
resources are wasted to maintain it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Pull m68k fix from Geert Uytterhoeven:
"A boot lock-up on Mac, also destined for stable"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/mac: Fix unexpected interrupt with CONFIG_EARLY_PRINTK
Pull s390 fixes from Martin Schwidefsky:
"Recent bug fixes, one of them touches a common code file.
It adds two #ifndef/#endif pairs to asm-generic/io.h to be able to
override xlate_dev_kmem_ptr and xlate_dev_mem_ptr."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pgtable: Fix gmap notifier address
s390/dasd: fix handling of gone paths
s390/pgtable: Fix check for pgste/storage key handling
arch: s390: appldata: using strncpy() and strnlen() instead of sprintf()
s390/smp: lost IPIs on cpu hotplug
kernel: Fix s390 absolute memory access for /dev/mem
s390/dma: do not call debug_dma after free
Pull cgroup fixes from Tejun Heo:
- Fix for yet another xattr bug which may lead to NULL deref.
- A subtle bug in for_each_descendant_pre(). This bug requires quite
specific conditions to trigger and isn't too likely to actually
happen in the wild, but maybe that just makes it that much more
nastier.
- A warning message added for silly cgroup re-mount (not -o remount,
but unmount followed by mount) behavior.
* 'for-3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: warn about mismatching options of a new mount of an existing hierarchy
cgroup: fix a subtle bug in descendant pre-order walk
cgroup: initialize xattr before calling d_instantiate()
Pull libata changes from Tejun Heo:
"Nothing too interesting. PCI ID additions, some sata_rcar fixes and a
fringe bug fix for DMADIR handling which shouldn't affect any device
remotely modern."
* 'for-3.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
sata_rcar: fix interrupt handling
ahci: add an observed PCI ID for Marvell 88se9172 SATA controller
sata_rcar: clear STOP bit in bmdma_start() method
libata: make ata_exec_internal_sg honor DMADIR
ata_piix: add PCI IDs for Intel BayTail
libata: update "Maintained by:" tags
The driver's interrupt handling code is too picky in deciding whether it should
handle an interrupt or not which causes completely unneeded spurious interrupts.
Thus make sata_rcar_{ata|serr}_interrupt() *void*; add ATA status register read
to sata_rcar_ata_interrupt() to clear an unexpected ATA interrupt -- it doesn't
get cleared by writing to the SATAINTSTAT register in the interrupt mode we use.
Also, in sata_rcar_ata_interrupt() we should check SATAINTSTAT register only for
enabled interrupts and we should clear only those interrupts that we have read
as active first time around, because else we have a race and risk clearing an
interrupt that can occur between read and write of the SATAINTSTAT register
and never registering it...
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
Pull parisc fixes from Helge Deller:
"This patcheset includes fixes for:
- the PCI/LBA which brings back the stifb graphics framebuffer
console
- possible memory overflows in parisc kernel init code
- parport support on older GSC machines
- avoids that users by mistake enable PARPORT_PC_SUPERIO on parisc
- MAINTAINERS file list updates for parisc."
* 'for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: parport0: fix this legacy no-device port driver!
parport_pc: disable PARPORT_PC_SUPERIO on parisc architecture
parisc/PCI: lba: fix: convert to pci_create_root_bus() for correct root bus resources (v2)
parisc/PCI: Set type for LBA bus_num resource
MAINTAINERS: update parisc architecture file list
parisc: kernel: using strlcpy() instead of strcpy()
parisc: rename "CONFIG_PA7100" to "CONFIG_PA7000"
parisc: fix kernel BUG at arch/parisc/include/asm/mmzone.h:50
parisc: memory overflow, 'name' length is too short for using
Fix the above kernel error from parport_announce_port() on 32bit GSC
machines (e.g. B160L). The parport driver requires now a pointer to the
device struct.
Signed-off-by: Helge Deller <deller@gmx.de>
If enabled, CONFIG_PARPORT_PC_SUPERIO scans on PC-like hardware for
various super-io chips by accessing i/o ports in a range which will
crash any parisc hardware at once.
In addition, parisc has it's own incompatible superio chip
(CONFIG_SUPERIO), so if we disable PARPORT_PC_SUPERIO completely for
parisc we can avoid that people by accident enable the parport_pc
superio option too.
Signed-off-by: Helge Deller <deller@gmx.de>
commit dc7dce280a
Author: Bjorn Helgaas <bhelgaas@google.com>
Date: Fri Oct 28 16:27:27 2011 -0600
parisc/PCI: lba: convert to pci_create_root_bus() for correct root bus
resources
Supply root bus resources to pci_create_root_bus() so they're correct
immediately. This fixes the problem of "early" and "header" quirks seeing
incorrect root bus resources.
added tests for elmmio_space.start while it should use
elmmio_space.flags. This for example led to incorrect resource
assignments and a non-working stifb framebuffer on most parisc machines.
LBA 10:1: PCI host bridge to bus 0000:01
pci_bus 0000:01: root bus resource [io 0x12000-0x13fff] (bus address [0x2000-0x3fff])
pci_bus 0000:01: root bus resource [mem 0xfffffffffa000000-0xfffffffffbffffff] (bus address [0xfa000000-0xfbffffff])
pci_bus 0000:01: root bus resource [mem 0xfffffffff4800000-0xfffffffff4ffffff] (bus address [0xf4800000-0xf4ffffff])
pci_bus 0000:01: root bus resource [??? 0x00000001 flags 0x0]
Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
The non-PAT resource probing code failed to set the type of the LBA bus_num
resource (30aa80da43 "parisc/PCI: register busn_res for root buses" did
the corresponding thing for the PAT case).
This causes incorrect resource assignments and a non-working stifb
framebuffer on most parisc machines.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Helge Deller <deller@gmx.de>
'boot_args' is an input args, and 'boot_command_line' has a fix length.
So use strlcpy() instead of strcpy() to avoid memory overflow.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Helge Deller <deller@gmx.de>
There's a Makefile line setting cflags for CONFIG_PA7100. But that
Kconfig macro doesn't exist. There is a Kconfig symbol PA7000, which
covers both PA7000 and PA7100 processors. So let's use the corresponding
Kconfig macro.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Helge Deller <deller@gmx.de>
With CONFIG_DISCONTIGMEM=y and multiple physical memory areas,
cat /proc/kpageflags triggers this kernel bug:
kernel BUG at arch/parisc/include/asm/mmzone.h:50!
CPU: 2 PID: 7848 Comm: cat Tainted: G D W 3.10.0-rc3-64bit #44
IAOQ[0]: kpageflags_read0x128/0x238
IAOQ[1]: kpageflags_read0x12c/0x238
RP(r2): proc_reg_read0xbc/0x130
Backtrace:
[<00000000402ca2d4>] proc_reg_read0xbc/0x130
[<0000000040235bcc>] vfs_read0xc4/0x1d0
[<0000000040235f0c>] SyS_read0x94/0xf0
[<0000000040105fc0>] syscall_exit0x0/0x14
kpageflags_read() walks through the whole memory, even if some memory
areas are physically not available. So, we should better not BUG on an
unavailable pfn in pfn_to_nid() but just return the expected value -1 or
0.
Signed-off-by: Helge Deller <deller@gmx.de>
'path.bc[i]' can be asigned by PCI_SLOT() which can '> 10', so sizeof(6
* "%u:" + "%u" + '\0') may be 21.
Since 'name' length is 20, it may be memory overflow.
And 'path.bc[i]' is 'unsigned char' for printing, we can be sure the
max length of 'name' must be less than 28.
So simplify thinking, we can use 28 instead of 20 directly, and do not
think of whether 'patchc.bc[i]' can '> 100'.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Pull powerpc fixes from Ben Herrenschmidt:
"Here are a few more fixes for powerpc 3.10. It's a bit more than I
would have liked this late in the game but I suppose that's what
happens with a brand new chip generation coming out.
A few regression fixes, some last minute fixes for new P8 features
such as transactional memory,...
There's also one powerpc KVM patch that I requested that adds two
missing functions to our in-kernel interrupt controller support which
is itself a new 3.10 feature. These are defined by the base
hypervisor specification. We didn't implement them originally because
Linux doesn't use them but they are simple and I'm not comfortable
having a half-implemented interface in 3.10 and having to deal with
versionning etc... later when something starts needing those calls.
They cannot be emulated in qemu when using in-kernel interrupt
controller (not enough shared state).
Just added a last minute patch to fix a typo introducing a breakage in
our cputable for Power7+ processors, sorry about that, but the
regression it fixes just hurt me :-)"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/cputable: Fix typo on P7+ cputable entry
powerpc/perf: Add missing SIER support
powerpc/perf: Revert to original NO_SIPR logic
powerpc/pci: Remove the unused variables in pci_process_bridge_OF_ranges
powerpc/pci: Remove the stale comments of pci_process_bridge_OF_ranges
powerpc/pseries: Always enable CONFIG_HOTPLUG_CPU on PSERIES SMP
powerpc/kvm/book3s: Add support for H_IPOLL and H_XIRR_X in XICS emulation
powerpc/32bit:Store temporary result in r0 instead of r8
powerpc/mm: Always invalidate tlb on hpte invalidate and update
powerpc/pseries: Improve stream generation comments in copypage/user
powerpc/pseries: Kill all prefetch streams on context switch
powerpc/cputable: Fix oprofile_cpu_type on power8
powerpc/mpic: Fix irq distribution problem when MPIC_SINGLE_DEST_CPU
powerpc/tm: Fix userspace stack corruption on signal delivery for active transactions
powerpc/tm: Move TM abort cause codes to uapi
powerpc/tm: Abort on emulation and alignment faults
powerpc/tm: Update cause codes documentation
powerpc/tm: Make room for hypervisor in abort cause codes
Pull scsi target fixes from Nicholas Bellinger:
"The highlights include:
- Re-instate sess->wait_list in target_wait_for_sess_cmds() for
active I/O shutdown handling in fabrics using se_cmd->cmd_kref
- Make ib_srpt call target_sess_cmd_list_set_waiting() during session
shutdown
- Fix FILEIO off-by-one READ_CAPACITY bug for !S_ISBLK export
- Fix iscsi-target login error heap buffer overflow (Kees)
- Fix iscsi-target active I/O shutdown handling regression in
v3.10-rc1
A big thanks to Kees Cook for fixing a long standing login error
buffer overflow bug.
All patches are CC'ed to stable with the exception of the v3.10-rc1
specific regression + other minor target cleanup."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target: Fix iscsit_free_cmd() se_cmd->cmd_kref shutdown handling
target: Propigate up ->cmd_kref put return via transport_generic_free_cmd
iscsi-target: fix heap buffer overflow on error
target/file: Fix off-by-one READ_CAPACITY bug for !S_ISBLK export
ib_srpt: Call target_sess_cmd_list_set_waiting during shutdown_session
target: Re-instate sess_wait_list for target_wait_for_sess_cmds
target: Remove unused wait_for_tasks bit in target_wait_for_sess_cmds
discrete clock expander chip. Most fixes are corrections to lousy clock
data of one form or another.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clock subsystem fixes from Mike Turquette:
"A mix of small fixes affecting mostly ARM platforms as well as a
discrete clock expander chip. Most fixes are corrections to lousy
clock data of one form or another."
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
clk: mxs: Include clk mxs header file
clk: vt8500: Fix unbalanced spinlock in vt8500_dclk_set_rate()
clk: si5351: Set initial clkout rate when defined in platform data.
clk: si5351: Fix clkout rate computation.
clk: samsung: Add CLK_IGNORE_UNUSED flag for the sysreg clocks
clk: ux500: clk-sysctrl: handle clocks with no parents
clk: ux500: Provide device enumeration number suffix for SMSC911x
Pull assorted fixes from Al Viro:
"There'll be more - I'm trying to dig out from under the pile of mail
(a couple of weeks of something flu-like ;-/) and there's several more
things waiting for review; this is just the obvious stuff."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
zoran: racy refcount handling in vm_ops ->open()/->close()
befs_readdir(): do not increment ->f_pos if filldir tells us to stop
hpfs: deadlock and race in directory lseek()
qnx6: qnx6_readdir() has a braino in pos calculation
fix buffer leak after "scsi: saner replacements for ->proc_info()"
vfs: Fix invalid ida_remove() call
- Fix a regression that broke NFS mounting using klibc and busybox
- Stable fix to check access modes correctly on NFSv4 delegated open()
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Merge tag 'nfs-for-3.10-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull two NFS client fixes from Trond Myklebust:
- Fix a regression that broke NFS mounting using klibc and busybox
- Stable fix to check access modes correctly on NFSv4 delegated open()
* tag 'nfs-for-3.10-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS: Fix security flavor negotiation with legacy binary mounts
NFSv4: Fix a thinko in nfs4_try_open_cached
Fix a typo in setting COMMON_USER2_POWER7 bits to .cpu_user_features2
cpu specs table.
Signed-off-by: Will Schmidt <will_schmidt@vnet.ibm.com>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Commit 8f61aa3 "Add support for SIER" missed updates to siar_valid()
and perf_get_data_addr().
In both cases we need to check the SIER instead of mmcra.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This is a revert and then some of commit 860aad7 "Add regs_no_sipr()".
This workaround was only needed on early chip versions.
As before NO_SIPR becomes a static flag of the PMU struct.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The codes which ever used these two variables have gone. Throw away
them too.
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
