Commit Graph

417 Commits

Author SHA1 Message Date
Linus Torvalds
d99b91a99b Char/Misc and other driver changes for 6.7-rc1
Here is the big set of char/misc and other small driver subsystem
 changes for 6.7-rc1.  Included in here are:
   - IIO subsystem driver updates and additions (largest part of this
     pull request)
   - FPGA subsystem driver updates
   - Counter subsystem driver updates
   - ICC subsystem driver updates
   - extcon subsystem driver updates
   - mei driver updates and additions
   - nvmem subsystem driver updates and additions
   - comedi subsystem dependency fixes
   - parport driver fixups
   - cdx subsystem driver and core updates
   - splice support for /dev/zero and /dev/full
   - other smaller driver cleanups
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc updates from Greg KH:
 "Here is the big set of char/misc and other small driver subsystem
  changes for 6.7-rc1. Included in here are:

   - IIO subsystem driver updates and additions (largest part of this
     pull request)

   - FPGA subsystem driver updates

   - Counter subsystem driver updates

   - ICC subsystem driver updates

   - extcon subsystem driver updates

   - mei driver updates and additions

   - nvmem subsystem driver updates and additions

   - comedi subsystem dependency fixes

   - parport driver fixups

   - cdx subsystem driver and core updates

   - splice support for /dev/zero and /dev/full

   - other smaller driver cleanups

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (326 commits)
  cdx: add sysfs for subsystem, class and revision
  cdx: add sysfs for bus reset
  cdx: add support for bus enable and disable
  cdx: Register cdx bus as a device on cdx subsystem
  cdx: Create symbol namespaces for cdx subsystem
  cdx: Introduce lock to protect controller ops
  cdx: Remove cdx controller list from cdx bus system
  dts: ti: k3-am625-beagleplay: Add beaglecc1352
  greybus: Add BeaglePlay Linux Driver
  dt-bindings: net: Add ti,cc1352p7
  dt-bindings: eeprom: at24: allow NVMEM cells based on old syntax
  dt-bindings: nvmem: SID: allow NVMEM cells based on old syntax
  Revert "nvmem: add new config option"
  MAINTAINERS: coresight: Add missing Coresight files
  misc: pci_endpoint_test: Add deviceID for J721S2 PCIe EP device support
  firmware: xilinx: Move EXPORT_SYMBOL_GPL next to zynqmp_pm_feature definition
  uacce: make uacce_class constant
  ocxl: make ocxl_class constant
  cxl: make cxl_class constant
  misc: phantom: make phantom_class constant
  ...
2023-11-03 14:51:08 -10:00
Jinjie Ruan
28926daf73 fpga: Fix memory leak for fpga_region_test_class_find()
fpga_region_class_find() in fpga_region_test_class_find() will call
get_device() if the data is matched, which will increment refcount for
dev->kobj, so it should call put_device() to decrement refcount for
dev->kobj to free the region, because fpga_region_unregister() will call
fpga_region_dev_release() only when the refcount for dev->kobj is zero
but fpga_region_test_init() call device_register() in
fpga_region_register_full(), which also increment refcount.

So call put_device() after calling fpga_region_class_find() in
fpga_region_test_class_find(). After applying this patch, the following
memory leak is never detected.

unreferenced object 0xffff88810c8ef000 (size 1024):
  comm "kunit_try_catch", pid 1875, jiffies 4294715298 (age 836.836s)
  hex dump (first 32 bytes):
    b8 d1 fb 05 81 88 ff ff 08 f0 8e 0c 81 88 ff ff  ................
    08 f0 8e 0c 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff817ebad7>] kmalloc_trace+0x27/0xa0
    [<ffffffffa02385e1>] fpga_region_register_full+0x51/0x430 [fpga_region]
    [<ffffffffa0228e47>] 0xffffffffa0228e47
    [<ffffffff829c479d>] kunit_try_run_case+0xdd/0x250
    [<ffffffff829c9f2a>] kunit_generic_run_threadfn_adapter+0x4a/0x90
    [<ffffffff81238b85>] kthread+0x2b5/0x380
    [<ffffffff81097ded>] ret_from_fork+0x2d/0x70
    [<ffffffff810034d1>] ret_from_fork_asm+0x11/0x20
unreferenced object 0xffff888105fbd1b8 (size 8):
  comm "kunit_try_catch", pid 1875, jiffies 4294715298 (age 836.836s)
  hex dump (first 8 bytes):
    72 65 67 69 6f 6e 30 00                          region0.
  backtrace:
    [<ffffffff817ec023>] __kmalloc_node_track_caller+0x53/0x150
    [<ffffffff82995590>] kvasprintf+0xb0/0x130
    [<ffffffff83f713b1>] kobject_set_name_vargs+0x41/0x110
    [<ffffffff8304ac1b>] dev_set_name+0xab/0xe0
    [<ffffffffa02388a2>] fpga_region_register_full+0x312/0x430 [fpga_region]
    [<ffffffffa0228e47>] 0xffffffffa0228e47
    [<ffffffff829c479d>] kunit_try_run_case+0xdd/0x250
    [<ffffffff829c9f2a>] kunit_generic_run_threadfn_adapter+0x4a/0x90
    [<ffffffff81238b85>] kthread+0x2b5/0x380
    [<ffffffff81097ded>] ret_from_fork+0x2d/0x70
    [<ffffffff810034d1>] ret_from_fork_asm+0x11/0x20
unreferenced object 0xffff88810b3b8a00 (size 256):
  comm "kunit_try_catch", pid 1875, jiffies 4294715298 (age 836.836s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 08 8a 3b 0b 81 88 ff ff  ..........;.....
    08 8a 3b 0b 81 88 ff ff e0 ac 04 83 ff ff ff ff  ..;.............
  backtrace:
    [<ffffffff817ebad7>] kmalloc_trace+0x27/0xa0
    [<ffffffff83056d7a>] device_add+0xa2a/0x15e0
    [<ffffffffa02388b1>] fpga_region_register_full+0x321/0x430 [fpga_region]
    [<ffffffffa0228e47>] 0xffffffffa0228e47
    [<ffffffff829c479d>] kunit_try_run_case+0xdd/0x250
    [<ffffffff829c9f2a>] kunit_generic_run_threadfn_adapter+0x4a/0x90
    [<ffffffff81238b85>] kthread+0x2b5/0x380
    [<ffffffff81097ded>] ret_from_fork+0x2d/0x70
    [<ffffffff810034d1>] ret_from_fork_asm+0x11/0x20

Fixes: 64a5f972c9 ("fpga: add an initial KUnit suite for the FPGA Region")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20231007094321.3447084-1-ruanjinjie@huawei.com
[yilun.xu@intel.com: slightly changes the commit message]
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
Link: https://lore.kernel.org/r/20231023032857.902699-3-yilun.xu@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-24 19:32:39 +02:00
Marco Pagani
a3fad2e92c fpga: disable KUnit test suites when module support is enabled
The fpga core currently assumes that all manager, bridge, and region
devices have a parent device associated with a driver that can be used
to take the module's refcount. This behavior causes the fpga test suites
to crash with a null-ptr-deref since parent fake devices do not have a
driver. This patch disables all fpga KUnit test suites when loadable
module support is enabled until the fpga core is fixed. Test suites
can still be run using the KUnit default UML kernel.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Fixes: ccbc1c3021 ("fpga: add an initial KUnit suite for the FPGA Manager")
Link: https://lore.kernel.org/r/20231018163814.100803-1-marpagan@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-21 12:31:25 +02:00
Nava kishore Manne
d79eed22ba
fpga: versal: Add support for 44-bit DMA operations
The existing implementation support only 32-bit DMA operation.
So, it fails to load the bitstream for the high DDR designs(Beyond 4GB).
To fix this issue update the DMA mask handling logic to support 44-bit
DMA operations.

Signed-off-by: Nava kishore Manne <nava.kishore.manne@amd.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20231003071409.4165149-1-nava.kishore.manne@amd.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
2023-10-16 10:32:00 +08:00
Rob Herring
3b08f52c25
fpga: altera-ps-spi: Use spi_get_device_match_data()
Use preferred spi_get_device_match_data() instead of of_match_device() and
spi_get_device_id() to get the driver match data. With this, adjust the
includes to explicitly include the correct headers.

Also drop of_match_ptr for of_ef_match, which is not necessary because DT
is always used for this driver.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20231006224624.444857-1-robh@kernel.org
[yilun.xu@intel.com: drop of_match_ptr for of_ef_match]
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
2023-10-16 10:19:51 +08:00
Rob Herring
4e807eb05d
fpga: Use device_get_match_data()
Use preferred device_get_match_data() instead of of_match_device() to
get the driver match data. With this, adjust the includes to explicitly
include the correct headers.

Also drop of_match_ptr for xlnx_pr_decoupler_of_match, which is not
necessary because DT is always used for this driver.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20231006224633.445035-1-robh@kernel.org
[yilun.xu@intel.com: merge the fix 20231012192149.1546368-1-robh@kernel.org]
Link: https://lore.kernel.org/r/20231012192149.1546368-1-robh@kernel.org
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
2023-10-13 23:17:16 +08:00
Ivan Orlov
1a22ec09a2
fpga: region: make fpga_region_class a static const structure
Now that the driver core allows for struct class to be in read-only
memory, move the fpga_region_class structure to be declared at build
time placing it into read-only memory, instead of having to be
dynamically allocated at boot time.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230811073043.52808-3-ivan.orlov0322@gmail.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-08-11 23:04:21 +08:00
Ivan Orlov
909960e2e2
fpga: fpga-mgr: make fpga_mgr_class a static const structure
Now that the driver core allows for struct class to be in read-only
memory, move the fpga_mgr_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230811073043.52808-2-ivan.orlov0322@gmail.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-08-11 23:04:03 +08:00
Ivan Orlov
7bb2d2190d
fpga: bridge: make fpga_bridge_class a static const structure
Now that the driver core allows for struct class to be in read-only
memory, move the fpga_bridge_class structure to be declared at build
time placing it into read-only memory, instead of having to be
dynamically allocated at boot time.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230811073043.52808-1-ivan.orlov0322@gmail.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-08-11 23:03:37 +08:00
Xiongfeng Wang
8607d9c1bd
fpga: dfl-pci: Use pci_find_vsec_capability() to simplify the code
PCI core add pci_find_vsec_capability() to query VSEC. We can use that
core API to simplify the code.

Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230802080726.178194-1-wangxiongfeng2@huawei.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-08-07 18:21:40 +08:00
Marco Pagani
3969f6458f
fpga: add configuration for the FPGA KUnit test suites.
Add configuration for the KUnit test suites for the core components
of the FPGA subsystem.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230718130304.87048-5-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-23 14:04:50 +08:00
Marco Pagani
64a5f972c9
fpga: add an initial KUnit suite for the FPGA Region
The suite tests the basic behaviors of the FPGA Region including
the programming and the function for finding a specific region.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230718130304.87048-4-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-23 14:04:42 +08:00
Marco Pagani
9e6823481e
fpga: add an initial KUnit suite for the FPGA Bridge
The suite tests the basic behaviors of the FPGA Bridge including
the functions that operate on a list of bridges.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230718130304.87048-3-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-23 14:04:36 +08:00
Marco Pagani
ccbc1c3021
fpga: add an initial KUnit suite for the FPGA Manager
The suite tests the basic behaviors of the FPGA Manager including
programming using a single contiguous buffer and a scatter gather table.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230718130304.87048-2-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-23 14:04:05 +08:00
Rob Herring
840208392d
fpga: Explicitly include correct DT includes
The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230714174449.4055156-1-robh@kernel.org
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-17 09:23:04 +08:00
Yangtao Li
dbe5038a26
fpga: socfpga-a10: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230710133830.65631-2-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-15 22:46:58 +08:00
Yangtao Li
c9b5ff3b9a
fpga: fpga-mgr: altera-pr-ip: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230710133830.65631-1-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-15 22:46:31 +08:00
Yangtao Li
e9fdc41a3d
fpga: zynq-fpga: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-8-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:55:06 +08:00
Yangtao Li
533aae1695
fpga: fpga-mgr: ts73xx: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-7-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:52:58 +08:00
Yangtao Li
c4c68d4697
fpga: fpga-mgr: socfpga: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-6-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:48:04 +08:00
Yangtao Li
ebe00825f1
fpga: xilinx-pr-decoupler: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-5-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:44:48 +08:00
Yangtao Li
1e463430a9
fpga: dfl-fme-mgr: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-3-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:41:44 +08:00
Yangtao Li
918e6224cd
fpga: bridge: Convert to devm_platform_ioremap_resource()
Use devm_platform_ioremap_resource() to simplify code.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705094655.44753-1-frank.li@vivo.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:41:20 +08:00
Marco Pagani
8e665c9c1a
fpga: bridge: fix kernel-doc
Fix the following warnings issued by the kernel-doc script:

drivers/fpga/fpga-bridge.c:99: warning: No description found for return value of 'of_fpga_bridge_get'
drivers/fpga/fpga-bridge.c:163: warning: No description found for return value of 'fpga_bridges_enable'
drivers/fpga/fpga-bridge.c:187: warning: No description found for return value of 'fpga_bridges_disable'
drivers/fpga/fpga-bridge.c:238: warning: No description found for return value of 'of_fpga_bridge_get_to_list'
drivers/fpga/fpga-bridge.c:268: warning: No description found for return value of 'fpga_bridge_get_to_list'

- Extend the return description of of_fpga_bridge_get() to include the
  case when try_module_get() fails.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230706142755.124879-3-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:11:19 +08:00
Marco Pagani
baa57b333e
fpga: region: fix kernel-doc
- Fix the following warnings issued by the kernel-doc script:

drivers/fpga/fpga-region.c:46: warning: No description found for return value of 'fpga_region_get'
drivers/fpga/fpga-region.c:97: warning: No description found for return value of 'fpga_region_program_fpga'
drivers/fpga/fpga-region.c:295: warning: No description found for return value of 'fpga_region_init'

- Remove the "and registers a reconfig notifier" part from the description
  of fpga_region_init() since it does not register an of_overlay notifier
  anymore.

- Remove the outdated "if @np is not an FPGA Region" case from the return
  description of fpga_region_get() and replace it with the case when
  try_module_get() fails.

Signed-off-by: Marco Pagani <marpagan@redhat.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230706142755.124879-2-marpagan@redhat.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 16:10:26 +08:00
Peter Colberg
1b75f5e9f4
fpga: dfl: fme: use SI unit prefix macros
Substitute SI prefixes MILLI for temperature and MICRO for power, which
are exported via the hwmon sysfs interface in m°C and ųW, respectively.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230705033548.10737-1-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-07-10 14:41:53 +08:00
Linus Torvalds
44aeec836d Char/Misc and other driver subsystem updates for 6.5-rc1
Here is the big set of char/misc and other driver subsystem updates for
 6.5-rc1.
 
 Lots of different, tiny, stuff in here, from a range of smaller driver
 subsystems, including pulls from some substems directly:
   - IIO driver updates and additions
   - W1 driver updates and fixes (and a new maintainer!)
   - FPGA driver updates and fixes
   - Counter driver updates
   - Extcon driver updates
   - Interconnect driver updates
   - Coresight driver updates
   - mfd tree tag merge needed for other updates
 on top of that, lots of small driver updates as patches, including:
   - static const updates for class structures
   - nvmem driver updates
   - pcmcia driver fix
   - lots of other small driver updates and fixes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull Char/Misc updates from Greg KH:
 "Here is the big set of char/misc and other driver subsystem updates
  for 6.5-rc1.

  Lots of different, tiny, stuff in here, from a range of smaller driver
  subsystems, including pulls from some substems directly:

   - IIO driver updates and additions

   - W1 driver updates and fixes (and a new maintainer!)

   - FPGA driver updates and fixes

   - Counter driver updates

   - Extcon driver updates

   - Interconnect driver updates

   - Coresight driver updates

   - mfd tree tag merge needed for other updates on top of that, lots of
     small driver updates as patches, including:

   - static const updates for class structures

   - nvmem driver updates

   - pcmcia driver fix

   - lots of other small driver updates and fixes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (243 commits)
  bsr: fix build problem with bsr_class static cleanup
  comedi: make all 'class' structures const
  char: xillybus: make xillybus_class a static const structure
  xilinx_hwicap: make icap_class a static const structure
  virtio_console: make port class a static const structure
  ppdev: make ppdev_class a static const structure
  char: misc: make misc_class a static const structure
  /dev/mem: make mem_class a static const structure
  char: lp: make lp_class a static const structure
  dsp56k: make dsp56k_class a static const structure
  bsr: make bsr_class a static const structure
  oradax: make 'cl' a static const structure
  hwtracing: hisi_ptt: Fix potential sleep in atomic context
  hwtracing: hisi_ptt: Advertise PERF_PMU_CAP_NO_EXCLUDE for PTT PMU
  hwtracing: hisi_ptt: Export available filters through sysfs
  hwtracing: hisi_ptt: Add support for dynamically updating the filter list
  hwtracing: hisi_ptt: Factor out filter allocation and release operation
  samples: pfsm: add CC_CAN_LINK dependency
  misc: fastrpc: check return value of devm_kasprintf()
  coresight: dummy: Update type of mode parameter in dummy_{sink,source}_enable()
  ...
2023-07-03 12:46:47 -07:00
Ilpo Järvinen
867cae44f8 mfd: intel-m10-bmc: Manage access to MAX 10 fw handshake registers
On some MAX 10 cards, the BMC firmware is not available to service
handshake registers during secure update erase and write phases at
normal speeds. This problem affects at least hwmon driver. When the MAX
10 hwmon driver tries to read the sensor values during a secure update,
the reads are slowed down (e.g., reading all D5005 sensors takes ~24s
which is magnitudes worse than the normal <0.02s).

Manage access to the handshake registers using a rw semaphore and a FW
state variable to prevent accesses during those secure update phases
and return -EBUSY instead.

If handshake_sys_reg_nranges == 0, don't update bwcfw_state as it is not
used. This avoids the locking cost.

Co-developed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Co-developed-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230417092653.16487-5-ilpo.jarvinen@linux.intel.com
2023-06-15 09:19:36 +01:00
Ilpo Järvinen
c452e3bd91 mfd: intel-m10-bmc: Create m10bmc_sys_update_bits()
Wrap regmap_update_bits() with m10bmc_sys_update_bits() in order to be
able to add additional checks into it.

Co-developed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230417092653.16487-3-ilpo.jarvinen@linux.intel.com
2023-06-15 09:19:36 +01:00
Alfonso Rodriguez
47147d56f9
fpga: zynq-fpga: Ensure proper xCAP interface switch
The Zynq platform has PCAP, ICAP and JTAG interfaces for configuring
programmable logic (PL). The existing driver implementation uses the
PCAP interface to configure the PL. Before switching the PL configuration
interface from PCAP to ICAP make sure that all outstanding Transactions
relevant to the PL configuration should be completed by the PCAP interface
otherwise it may lead to PL configuration issues.

This patch provides a required fix to ensure that all existing PL
transactions are completed before switching from PCAP to ICAP.

For detailed information relevant to PL configuration interfaces refer
Zynq 7000 TRM (section 6.5.1).
Link: https://docs.xilinx.com/v/u/en-US/ug585-Zynq-7000-TRM

Signed-off-by: Alfonso Rodriguez <alfonso.rodriguezm@upm.es>
Signed-off-by: Nava kishore Manne <nava.kishore.manne@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230605115433.186087-1-nava.kishore.manne@amd.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-06-06 19:14:19 +08:00
Krzysztof Kozlowski
148efa63ba
fpga: dfl-fme: constify pointers to hwmon_channel_info
Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.

Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230511175449.282069-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-05-29 18:01:14 +08:00
Linus Torvalds
cec24b8b6b Char/Misc drivers for 6.4-rc1
Here is the "big" set of char/misc and other driver subsystems for
 6.4-rc1.
 
 It's pretty big, but due to the removal of pcmcia drivers, almost breaks
 even for number of lines added vs. removed, a nice change.
 
 Included in here are:
   - removal of unused PCMCIA drivers (finally!)
   - Interconnect driver updates and additions
   - Lots of IIO driver updates and additions
   - MHI driver updates
   - Coresight driver updates
   - NVMEM driver updates, which required some OF updates
   - W1 driver updates and a new maintainer to manage the subsystem
   - FPGA driver updates
   - New driver subsystem, CDX, for AMD systems
   - lots of other small driver updates and additions
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc drivers updates from Greg KH:
 "Here is the "big" set of char/misc and other driver subsystems for
  6.4-rc1.

  It's pretty big, but due to the removal of pcmcia drivers, almost
  breaks even for number of lines added vs. removed, a nice change.

  Included in here are:

   - removal of unused PCMCIA drivers (finally!)

   - Interconnect driver updates and additions

   - Lots of IIO driver updates and additions

   - MHI driver updates

   - Coresight driver updates

   - NVMEM driver updates, which required some OF updates

   - W1 driver updates and a new maintainer to manage the subsystem

   - FPGA driver updates

   - New driver subsystem, CDX, for AMD systems

   - lots of other small driver updates and additions

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'char-misc-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (196 commits)
  mcb-lpc: Reallocate memory region to avoid memory overlapping
  mcb-pci: Reallocate memory region to avoid memory overlapping
  mcb: Return actual parsed size when reading chameleon table
  kernel/configs: Drop Android config fragments
  virt: acrn: Replace obsolete memalign() with posix_memalign()
  spmi: Add a check for remove callback when removing a SPMI driver
  spmi: fix W=1 kernel-doc warnings
  spmi: mtk-pmif: Drop of_match_ptr for ID table
  spmi: pmic-arb: Convert to platform remove callback returning void
  spmi: mtk-pmif: Convert to platform remove callback returning void
  spmi: hisi-spmi-controller: Convert to platform remove callback returning void
  w1: gpio: remove unnecessary ENOMEM messages
  w1: omap-hdq: remove unnecessary ENOMEM messages
  w1: omap-hdq: add SPDX tag
  w1: omap-hdq: allow compile testing
  w1: matrox: remove unnecessary ENOMEM messages
  w1: matrox: use inline over __inline__
  w1: matrox: switch from asm to linux header
  w1: ds2482: do not use assignment in if condition
  w1: ds2482: drop unnecessary header
  ...
2023-04-27 12:07:50 -07:00
Linus Torvalds
556eb8b791 Driver core changes for 6.4-rc1
Here is the large set of driver core changes for 6.4-rc1.
 
 Once again, a busy development cycle, with lots of changes happening in
 the driver core in the quest to be able to move "struct bus" and "struct
 class" into read-only memory, a task now complete with these changes.
 
 This will make the future rust interactions with the driver core more
 "provably correct" as well as providing more obvious lifetime rules for
 all busses and classes in the kernel.
 
 The changes required for this did touch many individual classes and
 busses as many callbacks were changed to take const * parameters
 instead.  All of these changes have been submitted to the various
 subsystem maintainers, giving them plenty of time to review, and most of
 them actually did so.
 
 Other than those changes, included in here are a small set of other
 things:
   - kobject logging improvements
   - cacheinfo improvements and updates
   - obligatory fw_devlink updates and fixes
   - documentation updates
   - device property cleanups and const * changes
   - firwmare loader dependency fixes.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.4-rc1.

  Once again, a busy development cycle, with lots of changes happening
  in the driver core in the quest to be able to move "struct bus" and
  "struct class" into read-only memory, a task now complete with these
  changes.

  This will make the future rust interactions with the driver core more
  "provably correct" as well as providing more obvious lifetime rules
  for all busses and classes in the kernel.

  The changes required for this did touch many individual classes and
  busses as many callbacks were changed to take const * parameters
  instead. All of these changes have been submitted to the various
  subsystem maintainers, giving them plenty of time to review, and most
  of them actually did so.

  Other than those changes, included in here are a small set of other
  things:

   - kobject logging improvements

   - cacheinfo improvements and updates

   - obligatory fw_devlink updates and fixes

   - documentation updates

   - device property cleanups and const * changes

   - firwmare loader dependency fixes.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (120 commits)
  device property: make device_property functions take const device *
  driver core: update comments in device_rename()
  driver core: Don't require dynamic_debug for initcall_debug probe timing
  firmware_loader: rework crypto dependencies
  firmware_loader: Strip off \n from customized path
  zram: fix up permission for the hot_add sysfs file
  cacheinfo: Add use_arch[|_cache]_info field/function
  arch_topology: Remove early cacheinfo error message if -ENOENT
  cacheinfo: Check cache properties are present in DT
  cacheinfo: Check sib_leaf in cache_leaves_are_shared()
  cacheinfo: Allow early level detection when DT/ACPI info is missing/broken
  cacheinfo: Add arm64 early level initializer implementation
  cacheinfo: Add arch specific early level initializer
  tty: make tty_class a static const structure
  driver core: class: remove struct class_interface * from callbacks
  driver core: class: mark the struct class in struct class_interface constant
  driver core: class: make class_register() take a const *
  driver core: class: mark class_release() as taking a const *
  driver core: remove incorrect comment for device_create*
  MIPS: vpe-cmp: remove module owner pointer from struct class usage.
  ...
2023-04-27 11:53:57 -07:00
Linus Torvalds
793582ff47 ACPI updates for 6.4-rc1
- Update the ACPICA code in the kernel to upstream revision 20230331
    including the following changes:
    * Delete bogus node_array array of pointers from AEST table (Jessica
      Clarke).
    * Add support for trace buffer extension in GICC to the ACPI MADT
      parser (Xiongfeng Wang).
    * Add missing macro ACPI_FUNCTION_TRACE() for acpi_ns_repair_HID()
      (Xiongfeng Wang).
    * Add missing tables to astable (Pedro Falcato).
    * Add support for 64 bit loong_arch compilation to ACPICA (Huacai
      Chen).
    * Add support for ASPT table in disassembler to ACPICA (Jeremi
      Piotrowski).
    * Add support for Arm's MPAM ACPI table version 2 (Hesham Almatary).
    * Update all copyrights/signons in ACPICA to 2023 (Bob Moore).
    * Add support for ClockInput resource (v6.5) (Niyas Sait).
    * Add RISC-V INTC interrupt controller definition to the list of
      supported interrupt controllers for MADT (Sunil V L).
    * Add structure definitions for the RISC-V RHCT ACPI table (Sunil V L).
    * Address several cases in which the ACPICA code might lead to
      undefined behavior (Tamir Duberstein).
    * Make ACPICA code support flexible arrays properly (Kees Cook).
    * Check null return of ACPI_ALLOCATE_ZEROED in
      acpi_db_display_objects() (void0red).
    * Add os specific support for Zephyr RTOS to ACPICA (Najumon).
    * Update version to 20230331 (Bob Moore).
 
  - Fix evaluating the _PDC ACPI control method when running as Xen
    dom0 (Roger Pau Monne).
 
  - Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu).
 
  - Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
    Chen).
 
  - Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
    Gaiser).
 
  - Initialize the correct IOMMU fwspec while parsing ACPI VIOT
    (Jean-Philippe Brucker).
 
  - Amend indentation and prefix error messages with FW_BUG in the ACPI
    SPCR parsing code (Andy Shevchenko).
 
  - Enable ACPI sysfs support for CCEL records (Kuppuswamy
    Sathyanarayanan).
 
  - Make the APEI error injection code warn on invalid arguments when
    explicitly indicated by platform (Shuai Xue).
 
  - Add CXL error types to the error injection code in APEI (Tony Luck).
 
  - Refactor acpi_data_prop_read_single() (Andy Shevchenko).
 
  - Fix two issues in the ACPI SBS driver (Armin Wolf).
 
  - Replace ternary operator with min_t() in the generic ACPI thermal
    zone driver (Jiangshan Yi).
 
  - Ensure that ACPI notify handlers are not running after removal and
    clean up code in acpi_sb_notify() (Rafael Wysocki).
 
  - Remove register_backlight_delay module option and code and remove
    quirks for false-positive backlight control support advertised on
    desktop boards (Hans de Goede).
 
  - Replace irqdomain.h include with struct declarations in ACPI headers
    and update several pieces of code previously including of.h
    implicitly through those headers (Rob Herring).
 
  - Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K).
 
  - Update the pm_profile sysfs attribute documentation (Rafael Wysocki).
 
  - Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
    the ACPI driver for Intel SoCs (Hans de Goede).
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Merge tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA code in the kernel to upstream revision
  20230331, fix the ACPI SBS driver and the evaluation of the _PDC
  method on Xen dom0 in the ACPI processor driver, update the ACPI
  driver for Intel SoCs and clean up code in multiple places.

  Specifics:

   - Update the ACPICA code in the kernel to upstream revision 20230331
     including the following changes:
       * Delete bogus node_array array of pointers from AEST table
         (Jessica Clarke)
       * Add support for trace buffer extension in GICC to the ACPI MADT
         parser (Xiongfeng Wang)
       * Add missing macro ACPI_FUNCTION_TRACE() for
         acpi_ns_repair_HID() (Xiongfeng Wang)
       * Add missing tables to astable (Pedro Falcato)
       * Add support for 64 bit loong_arch compilation to ACPICA (Huacai
         Chen)
       * Add support for ASPT table in disassembler to ACPICA (Jeremi
         Piotrowski)
       * Add support for Arm's MPAM ACPI table version 2 (Hesham
         Almatary)
       * Update all copyrights/signons in ACPICA to 2023 (Bob Moore)
       * Add support for ClockInput resource (v6.5) (Niyas Sait)
       * Add RISC-V INTC interrupt controller definition to the list of
         supported interrupt controllers for MADT (Sunil V L)
       * Add structure definitions for the RISC-V RHCT ACPI table (Sunil
         V L)
       * Address several cases in which the ACPICA code might lead to
         undefined behavior (Tamir Duberstein)
       * Make ACPICA code support flexible arrays properly (Kees Cook)
       * Check null return of ACPI_ALLOCATE_ZEROED in
         acpi_db_display_objects() (void0red)
       * Add os specific support for Zephyr RTOS to ACPICA (Najumon)
       * Update version to 20230331 (Bob Moore)

   - Fix evaluating the _PDC ACPI control method when running as Xen
     dom0 (Roger Pau Monne)

   - Use platform devices to load ACPI PPC and PCC drivers (Petr Pavlu)

   - Check for null return of devm_kzalloc() in fch_misc_setup() (Kang
     Chen)

   - Log a message if enable_irq_wake() fails for the ACPI SCI (Simon
     Gaiser)

   - Initialize the correct IOMMU fwspec while parsing ACPI VIOT
     (Jean-Philippe Brucker)

   - Amend indentation and prefix error messages with FW_BUG in the ACPI
     SPCR parsing code (Andy Shevchenko)

   - Enable ACPI sysfs support for CCEL records (Kuppuswamy
     Sathyanarayanan)

   - Make the APEI error injection code warn on invalid arguments when
     explicitly indicated by platform (Shuai Xue)

   - Add CXL error types to the error injection code in APEI (Tony Luck)

   - Refactor acpi_data_prop_read_single() (Andy Shevchenko)

   - Fix two issues in the ACPI SBS driver (Armin Wolf)

   - Replace ternary operator with min_t() in the generic ACPI thermal
     zone driver (Jiangshan Yi)

   - Ensure that ACPI notify handlers are not running after removal and
     clean up code in acpi_sb_notify() (Rafael Wysocki)

   - Remove register_backlight_delay module option and code and remove
     quirks for false-positive backlight control support advertised on
     desktop boards (Hans de Goede)

   - Replace irqdomain.h include with struct declarations in ACPI
     headers and update several pieces of code previously including of.h
     implicitly through those headers (Rob Herring)

   - Fix acpi_evaluate_dsm_typed() redefinition error (Kiran K)

   - Update the pm_profile sysfs attribute documentation (Rafael
     Wysocki)

   - Add 80862289 ACPI _HID for second PWM controller on Cherry Trail to
     the ACPI driver for Intel SoCs (Hans de Goede)"

* tag 'acpi-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (64 commits)
  ACPI: LPSS: Add 80862289 ACPI _HID for second PWM controller on Cherry Trail
  ACPI: bus: Ensure that notify handlers are not running after removal
  ACPI: bus: Add missing braces to acpi_sb_notify()
  ACPI: video: Remove desktops without backlight DMI quirks
  ACPI: video: Remove register_backlight_delay module option and code
  ACPI: Replace irqdomain.h include with struct declarations
  fpga: lattice-sysconfig-spi: Add explicit include for of.h
  tpm: atmel: Add explicit include for of.h
  virtio-mmio: Add explicit include for of.h
  pata: ixp4xx: Add explicit include for of.h
  ata: pata_macio: Add explicit include of irqdomain.h
  serial: 8250_tegra: Add explicit include for of.h
  net: rfkill-gpio: Add explicit include for of.h
  staging: iio: resolver: ad2s1210: Add explicit include for of.h
  iio: adc: ad7292: Add explicit include for of.h
  ACPICA: Update version to 20230331
  ACPICA: add os specific support for Zephyr RTOS
  ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
  ACPICA: acpi_resource_irq: Replace 1-element arrays with flexible array
  ACPICA: acpi_madt_oem_data: Fix flexible array member definition
  ...
2023-04-25 18:37:41 -07:00
Rob Herring
2febc5dda3 fpga: lattice-sysconfig-spi: Add explicit include for of.h
With linux/acpi.h (in spi/spi.h) no longer implicitly including of.h,
add an explicit include of of.h to fix the following errors:

drivers/fpga/lattice-sysconfig-spi.c:146:35: error: implicit declaration of function 'of_match_ptr' [-Werror=implicit-function-declaration]

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2023-04-06 20:36:27 +02:00
Alexis Lothoré
dc70eb868b
fpga: bridge: properly initialize bridge device before populating children
The current code path can lead to warnings because of uninitialized device,
which contains, as a consequence, uninitialized kobject. The uninitialized
device is passed to of_platform_populate, which will at some point, while
creating child device, try to get a reference on uninitialized parent,
resulting in the following warning:

kobject: '(null)' ((ptrval)): is not initialized, yet kobject_get() is
being called.

The warning is observed after migrating a kernel 5.10.x to 6.1.x.
Reverting commit 0d70af3c25 ("fpga: bridge: Use standard dev_release for
class driver") seems to remove the warning.
This commit aggregates device_initialize() and device_add() into
device_register() but this new call is done AFTER of_platform_populate

Fixes: 0d70af3c25 ("fpga: bridge: Use standard dev_release for class driver")
Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230404133102.2837535-2-alexis.lothore@bootlin.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-04-07 00:10:04 +08:00
Michal Simek
d2b727cb53
fpga: xilinx-pr-decoupler: Use readl wrapper instead of pure readl
Driver has IO wrappers but xlnx_pr_decouple_read() is not used and readl is
used instead which is just wrong.
It is also generating sparse issue that xlnx_pr_decouple_read() is unused.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/0381e4e8061c2fee182a104768e84feff3a82d25.1679412800.git.michal.simek@amd.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-03-25 15:35:12 +08:00
Greg Kroah-Hartman
1aaba11da9 driver core: class: remove module * from class_create()
The module pointer in class_create() never actually did anything, and it
shouldn't have been requred to be set as a parameter even if it did
something.  So just remove it and fix up all callers of the function in
the kernel tree at the same time.

Cc: "Rafael J. Wysocki" <rafael@kernel.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20230313181843.1207845-4-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-17 15:16:33 +01:00
Bjorn Helgaas
83a458e330
fpga: dfl-pci: Drop redundant pci_enable_pcie_error_reporting()
pci_enable_pcie_error_reporting() enables the device to send ERR_*
Messages.  Since f26e58bf6f ("PCI/AER: Enable error reporting when AER is
native"), the PCI core does this for all devices during enumeration, so the
driver doesn't need to do it itself.

Remove the redundant pci_enable_pcie_error_reporting() call from the
driver.  Also remove the corresponding pci_disable_pcie_error_reporting()
from the driver .remove() path.

Note that this only controls ERR_* Messages from the device.  An ERR_*
Message may cause the Root Port to generate an interrupt, depending on the
AER Root Error Command register managed by the AER service driver.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230307201937.880084-1-helgaas@kernel.org
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-03-10 16:39:44 +08:00
Nava kishore Manne
995a3bb721 fpga: zynqmp-fpga: Adds status interface
Adds status interface for zynqmp-fpga. It's a read only interface
which allows the user to get the Programmable Logic(PL) configuration
status.

Usage:
To read the Programmable Logic(PL) configuration status.
cat /sys/bus/platform/drivers/zynqmp_fpga_manager/firmware:zynqmp-firmware:pcap/status

Signed-off-by: Nava kishore Manne <nava.kishore.manne@amd.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230224120738.329416-3-nava.kishore.manne@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-09 17:33:19 +01:00
Marco Pagani
7ef1a2c1c9 fpga: bridge: fix kernel-doc parameter description
Fix the kernel-doc description for the "struct fpga_image_info *info"
parameter of the fpga_bridge_get() function.

Fixes: 060ac5c8fa ("fpga: bridge: kernel-doc fixes")
Signed-off-by: Marco Pagani <marpagan@redhat.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230301140309.512578-1-marpagan@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-03-09 17:31:41 +01:00
Ilpo Järvinen
c3d79fda25
fpga: m10bmc-sec: Fix rsu_send_data() to return FW_UPLOAD_ERR_HW_ERROR
rsu_send_data() should return FW_UPLOAD_ERR_* error codes instead of
normal -Exxxx codes. Convert <0 return from ->rsu_status() to
FW_UPLOAD_ERR_HW_ERROR.

Fixes: 001a734a55 ("fpga: m10bmc-sec: Make rsu status type specific")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Russ Weight <russell.h.weight@intel.com>
Cc: <stable@vger.kernel.org>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20230208080846.10795-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
2023-03-08 09:39:35 +08:00
Linus Torvalds
a93e884edf Driver core changes for 6.3-rc1
Here is the large set of driver core changes for 6.3-rc1.
 
 There's a lot of changes this development cycle, most of the work falls
 into two different categories:
   - fw_devlink fixes and updates.  This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.
   - driver core changes to work to make struct bus_type able to be moved
     into read-only memory (i.e. const)  The recent work with Rust has
     pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only making
     things safer overall.  This is the contuation of that work (started
     last release with kobject changes) in moving struct bus_type to be
     constant.  We didn't quite make it for this release, but the
     remaining patches will be finished up for the release after this
     one, but the groundwork has been laid for this effort.
 
 Other than that we have in here:
   - debugfs memory leak fixes in some subsystems
   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.
   - cacheinfo rework and fixes
   - Other tiny fixes, full details are in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core updates from Greg KH:
 "Here is the large set of driver core changes for 6.3-rc1.

  There's a lot of changes this development cycle, most of the work
  falls into two different categories:

   - fw_devlink fixes and updates. This has gone through numerous review
     cycles and lots of review and testing by lots of different devices.
     Hopefully all should be good now, and Saravana will be keeping a
     watch for any potential regression on odd embedded systems.

   - driver core changes to work to make struct bus_type able to be
     moved into read-only memory (i.e. const) The recent work with Rust
     has pointed out a number of areas in the driver core where we are
     passing around and working with structures that really do not have
     to be dynamic at all, and they should be able to be read-only
     making things safer overall. This is the contuation of that work
     (started last release with kobject changes) in moving struct
     bus_type to be constant. We didn't quite make it for this release,
     but the remaining patches will be finished up for the release after
     this one, but the groundwork has been laid for this effort.

  Other than that we have in here:

   - debugfs memory leak fixes in some subsystems

   - error path cleanups and fixes for some never-able-to-be-hit
     codepaths.

   - cacheinfo rework and fixes

   - Other tiny fixes, full details are in the shortlog

  All of these have been in linux-next for a while with no reported
  problems"

[ Geert Uytterhoeven points out that that last sentence isn't true, and
  that there's a pending report that has a fix that is queued up - Linus ]

* tag 'driver-core-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (124 commits)
  debugfs: drop inline constant formatting for ERR_PTR(-ERROR)
  OPP: fix error checking in opp_migrate_dentry()
  debugfs: update comment of debugfs_rename()
  i3c: fix device.h kernel-doc warnings
  dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
  driver core: class: move EXPORT_SYMBOL_GPL() lines to the correct place
  Revert "driver core: add error handling for devtmpfs_create_node()"
  Revert "devtmpfs: add debug info to handle()"
  Revert "devtmpfs: remove return value of devtmpfs_delete_node()"
  driver core: cpu: don't hand-override the uevent bus_type callback.
  devtmpfs: remove return value of devtmpfs_delete_node()
  devtmpfs: add debug info to handle()
  driver core: add error handling for devtmpfs_create_node()
  driver core: bus: update my copyright notice
  driver core: bus: add bus_get_dev_root() function
  driver core: bus: constify bus_unregister()
  driver core: bus: constify some internal functions
  driver core: bus: constify bus_get_kset()
  driver core: bus: constify bus_register/unregister_notifier()
  driver core: remove private pointer from struct bus_type
  ...
2023-02-24 12:58:55 -08:00
Linus Torvalds
693fed981e Char/Misc and other driver subsystem changes for 6.3-rc1
Here is the large set of driver changes for char/misc drivers and other
 smaller driver subsystems that flow through this git tree.
 
 Included in here are:
   - New IIO drivers and features and improvments in that subsystem
   - New hwtracing drivers and additions to that subsystem
   - lots of interconnect changes and new drivers as that subsystem seems
     under very active development recently.  This required also merging
     in the icc subsystem changes through this tree.
   - FPGA driver updates
   - counter subsystem and driver updates
   - MHI driver updates
   - nvmem driver updates
   - documentation updates
   - Other smaller driver updates and fixes, full details in the shortlog
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc and other driver subsystem updates from Greg KH:
 "Here is the large set of driver changes for char/misc drivers and
  other smaller driver subsystems that flow through this git tree.

  Included in here are:

   - New IIO drivers and features and improvments in that subsystem

   - New hwtracing drivers and additions to that subsystem

   - lots of interconnect changes and new drivers as that subsystem
     seems under very active development recently. This required also
     merging in the icc subsystem changes through this tree.

   - FPGA driver updates

   - counter subsystem and driver updates

   - MHI driver updates

   - nvmem driver updates

   - documentation updates

   - Other smaller driver updates and fixes, full details in the
     shortlog

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'char-misc-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (223 commits)
  scripts/tags.sh: fix incompatibility with PCRE2
  firmware: coreboot: Remove GOOGLE_COREBOOT_TABLE_ACPI/OF Kconfig entries
  mei: lower the log level for non-fatal failed messages
  mei: bus: disallow driver match while dismantling device
  misc: vmw_balloon: fix memory leak with using debugfs_lookup()
  nvmem: stm32: fix OPTEE dependency
  dt-bindings: nvmem: qfprom: add IPQ8074 compatible
  nvmem: qcom-spmi-sdam: register at device init time
  nvmem: rave-sp-eeprm: fix kernel-doc bad line warning
  nvmem: stm32: detect bsec pta presence for STM32MP15x
  nvmem: stm32: add OP-TEE support for STM32MP13x
  nvmem: core: use nvmem_add_one_cell() in nvmem_add_cells_from_of()
  nvmem: core: add nvmem_add_one_cell()
  nvmem: core: drop the removal of the cells in nvmem_add_cells()
  nvmem: core: move struct nvmem_cell_info to nvmem-provider.h
  nvmem: core: add an index parameter to the cell
  of: property: add #nvmem-cell-cells property
  of: property: make #.*-cells optional for simple props
  of: base: add of_parse_phandle_with_optional_args()
  net: add helper eth_addr_add()
  ...
2023-02-24 12:47:33 -08:00
Linus Torvalds
17cd4d6f05 TTY/Serial driver updates for 6.3-rc1
Here is the big set of serial and tty driver updates for 6.3-rc1.
 
 Once again, Jiri and Ilpo have done a number of core vt and tty/serial
 layer cleanups that were much needed and appreciated.  Other than that,
 it's just a bunch of little tty/serial driver updates:
   - qcom-geni-serial driver updates
   - liteuart driver updates
   - hvcs driver cleanups
   - n_gsm updates and additions for new features
   - more 8250 device support added
   - fpga/dfl update and additions
   - imx serial driver updates
   - fsl_lpuart updates
   - other tiny fixes and updates for serial drivers
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty / serial driver updates from Greg KH:
 "Here is the big set of serial and tty driver updates for 6.3-rc1.

  Once again, Jiri and Ilpo have done a number of core vt and tty/serial
  layer cleanups that were much needed and appreciated. Other than that,
  it's just a bunch of little tty/serial driver updates:

   - qcom-geni-serial driver updates

   - liteuart driver updates

   - hvcs driver cleanups

   - n_gsm updates and additions for new features

   - more 8250 device support added

   - fpga/dfl update and additions

   - imx serial driver updates

   - fsl_lpuart updates

   - other tiny fixes and updates for serial drivers

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (143 commits)
  tty: n_gsm: add keep alive support
  serial: imx: remove a redundant check
  dt-bindings: serial: snps-dw-apb-uart: add dma & dma-names properties
  soc: qcom: geni-se: Move qcom-geni-se.h to linux/soc/qcom/geni-se.h
  tty: n_gsm: add TIOCMIWAIT support
  tty: n_gsm: add RING/CD control support
  tty: n_gsm: mark unusable ioctl structure fields accordingly
  serial: imx: get rid of registers shadowing
  serial: imx: refine local variables in rxint()
  serial: imx: stop using USR2 in FIFO reading loop
  serial: imx: remove redundant USR2 read from FIFO reading loop
  serial: imx: do not break from FIFO reading loop prematurely
  serial: imx: do not sysrq broken chars
  serial: imx: work-around for hardware RX flood
  serial: imx: factor-out common code to imx_uart_soft_reset()
  serial: 8250_pci1xxxx: Add power management functions to quad-uart driver
  serial: 8250_pci1xxxx: Add RS485 support to quad-uart driver
  serial: 8250_pci1xxxx: Add driver for quad-uart support
  serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c
  tty: pcn_uart: fix memory leak with using debugfs_lookup()
  ...
2023-02-24 12:17:14 -08:00
Linus Torvalds
c2c23dc7d5 - Core Frameworks
- Change MFD support status from Supported to Maintained
 
  - New Drivers
    - Add support for the Intel Platform Management Component Interface (PMCI)
 
  - Remove Drivers
    - HTC PASIC3 LED/DS1WM
    - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO
 
  - New Device Support
    - Add support for N6000 Flash to Intel M10 BMC PMCI
    - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC
 
  - New Functionality
    - Provide Reset support to Syscon
 
  - Fix-ups
    - Explicitly provide missing include files
    - Pass platform type data/info via the SPI/I2C/DT registration strategy
    - Lots of DT documentation / adaptions
    - Replace scnprintf() with preferred sysfs_emit()
    - Remove unused / superfluous code
    - Fix some trivial whitesspace / spelling / grammatical issues
    - Replace pm_power_off with new and improved register_sys_off_handler() API
 
  - Bug Fixes
    - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
    - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
    - Refuse to build CS5535 on unsupported UML architectures
    - Fix memory leaks in error return paths
    - Prevent refcount leaks in error return paths
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Merge tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Framework:
   - Change MFD support status from Supported to Maintained

  New Drivers:
   - Add support for the Intel Platform Management Component Interface
     (PMCI)

  Removed Drivers:
   - HTC PASIC3 LED/DS1WM
   - Toshiba T7L66XB, TC6387XB and TC6393XB TMIO

  New Device Support:
   - Add support for N6000 Flash to Intel M10 BMC PMCI
   - Add support for Lenovo Yoga Tab 3 to Intel CHTWC PMIC

  New Functionality:
   - Provide Reset support to Syscon

  Fix-ups:
   - Explicitly provide missing include files
   - Pass platform type data/info via the SPI/I2C/DT registration
     strategy
   - Lots of DT documentation / adaptions
   - Replace scnprintf() with preferred sysfs_emit()
   - Remove unused / superfluous code
   - Fix some trivial whitesspace / spelling / grammatical issues
   - Replace pm_power_off with new and improved
     register_sys_off_handler() API

  Bug Fixes:
   - Reintroduce RK808-clkout registration - fixing Wi-Fi and Bluetooth
   - Repair the order of AXPxxx IRQ PEK RISE/FALL definitions
   - Refuse to build CS5535 on unsupported UML architectures
   - Fix memory leaks in error return paths
   - Prevent refcount leaks in error return paths"

* tag 'mfd-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (40 commits)
  dt-bindings: mfd: qcom,tcsr: Add compatible for IPQ5332
  dt-bindings: mfd: Add NXP BBNSM
  mfd: ntxec: Add version number for EC in Tolino Vision
  dt-bindings: mfd: syscon: Add mt8365-syscfg
  mfd: Remove toshiba tmio drivers
  mfd: arizona: Use pm_runtime_resume_and_get() to prevent refcnt leak
  mfd: syscon: Allow reset control for syscon devices
  dt-bindings: mfd/syscon: Add resets property
  dt-bindings: mfd: syscon: Add amd,pensando-elba-syscon compatible
  dt-bindings: mfd: qcom,tcsr: Add compatible for MSM8226
  mfd: simple-mfd-i2c: Fix incoherent comment regarding DT registration
  mfd: axp20x: Switch to the sys-off handler API
  mfd: core: Spelling s/compement/complement/
  mfd: max8925: Remove the unused function irq_to_max8925()
  mfd: qcom-pm8xxx: Remove set but unused variable 'rev'
  dt-bindings: mfd: syscon: Document GXP register compatible
  mfd: twl4030-power: Drop empty platform remove function
  mfd: twl: Fix TWL6032 phy vbus detection
  mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()
  MAINTAINERS: Move MFD from a Supported to Maintaied state
  ...
2023-02-23 15:03:05 -08:00
Greg Kroah-Hartman
f6b2ce79b5 Merge 6.2-rc7 into tty-next
We need the tty/serial fixes in here as well.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-06 10:48:49 +01:00
Greg Kroah-Hartman
d38e781ea0 Linux 6.2-rc7
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Merge 6.2-rc7 into char-misc-next

We need the char-misc driver fixes in here as other patches depend on
them.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-02-06 08:35:30 +01:00
Ilpo Järvinen
acf63c458b fpga: m10bmc-sec: Add support for N6000
Add support for PMCI-based flash access path and N6000 sec update
support. Access to flash staging area is different for N6000 from that
of the SPI interfaced counterparts.

Introduce intel_m10bmc_flash_bulk_ops to allow interface specific
differentiations for the flash access path for sec update and make
m10bmc_sec_read/write() in sec update driver to use the new operations.
The .flash_mutex serializes read/read. Flash update (erase+write) must
use ->lock/unlock_write() to prevent reads during update (reads would
timeout on setting flash MUX as BMC will prevent it).

Create a type specific RSU status reg handler for N6000 because the
field has moved from doorbell to auth result register.

If a failure is detected while altering the flash MUX, it seems safer
to try to set it back and doesn't seem harmful. Likely there are enough
troubles in that case anyway so setting it back fails too (which is
harmless sans the small extra delay) or just confirms that the value
wasn't changed.

Co-developed-by: Tianfei zhang <tianfei.zhang@intel.com>
Signed-off-by: Tianfei zhang <tianfei.zhang@intel.com>
Co-developed-by: Russ Weight <russell.h.weight@intel.com>
Signed-off-by: Russ Weight <russell.h.weight@intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20230116100845.6153-12-ilpo.jarvinen@linux.intel.com
2023-01-30 08:14:02 +00:00
Xu Yilun
9d18515e4a Immutable branch between MFD, FPGA and HWMON due for the v6.3 merge window
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Merge tag 'ib-mfd-fpga-hwmon-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into for-fpga-v6.3-rc1

Lee writes:

Immutable branch between MFD, FPGA and HWMON due for the v6.3 merge window

* tag 'ib-mfd-fpga-hwmon-v6.3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
  mfd: intel-m10-bmc: Add PMCI driver
  fpga: m10bmc-sec: Make rsu status type specific
  fpga: m10bmc-sec: Create helpers for rsu status/progress checks
  mfd: intel-m10-bmc: Prefix register defines with M10BMC_N3000
  fpga: intel-m10-bmc: Rework flash read/write
  mfd: intel-m10-bmc: Support multiple CSR register layouts
  mfd: intel-m10-bmc: Split into core and spi specific parts
  mfd: intel-m10-bmc: Rename the local variables
  mfd: intel-m10-bmc: Create m10bmc_platform_info for type specific info
  mfd: intel-m10-bmc: Add missing includes to header
2023-01-29 00:34:59 +08:00