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Remove some functions, macros, and structs that have not been used since
they were introduced in commit 554c0a3abf21 ("staging: Add rtl8723bs
sdio wifi driver").
Signed-off-by: 谢致邦 (XIE Zhibang) <Yeking@Red54.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/tencent_C69BFF8D3EC7B66BFCF0063ED3DEF4BC590A@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current code returns "unsigned int" and it doesn't handle errors
correctly if it happens during ioctl call for t1 delay configuration.
The ni_usb_t1_delay(), from NI, is the only function returning -1
at this point. The caller, t1_delay_ioctl(), doesn't check for errors
and sets board->t1_nano_sec to -1 and returns success.
The board->t1_nano_sec value is also used in ni_usb_setup_t1_delay()
besides the ioctl call and a value of -1 is treated as being above 1100ns.
It may or may not have a noticeable effect, but it's obviously not right
considering the content of ni_usb_setup_t1_delay().
Typical delays are in the 200-2000 range, but definitely not more
than INT_MAX so we can fix this code by changing the return type to int
and adding a check for errors. While we're at it, lets change the error
code in ni_usb_t1_delay() from -1 and instead propagate the error from
ni_usb_write_registers().
Fixes: 4e127de14fa7 ("staging: gpib: Add National Instruments USB GPIB driver")
Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com>
Link: https://lore.kernel.org/r/20250225014811.77995-1-rodrigo.gobbi.7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The SD spec version 6.0 section 6.4.1.5 requires that Vdd must be
lowered to less than 0.5V for a minimum of 1 ms when powering off a
card. Increase wait to 15 ms so that voltage has time to drain down
to 0.5V and cards can power off correctly. Issues with voltage drain
time were only observed on Apollo Lake and Bay Trail host controllers
so this fix is limited to those devices.
Signed-off-by: Erick Shepherd <erick.shepherd@ni.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20250314195021.1588090-1-erick.shepherd@ni.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Remove commented-out code in function write_loop().
Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20250305193614.39604-9-gascoar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function name field in the kernel-doc section for the
usb_gpib_line_status() is defined as 'line_status'. In addition, after
the kernel-doc section, there are three macro definition instead of the
function definition.
These issues trigger the warning:
warning: expecting prototype for line_status(). Prototype was for WQT()
instead.
Fix the warning by renaming the function in the kernel-doc section and
by moving the macros to the beginning of the file with the rest of
macros definition.
Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20250305193614.39604-7-gascoar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add '@' character in kernel-doc comment in order 'assert' to be picked as
argument by the kernel-doc compiler.
This change fix the following warning:
warning: Function parameter or struct member 'assert' not described in
'usb_gpib_interface_clear'
Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20250305193614.39604-5-gascoar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a colon character in the kernel-doc section of write_loop() in order
'leng' to be picked as argument by the kernel-doc compiler.
This change fix the following warning:
warning: Function parameter or struct member 'leng' not described in
'send_command'
Signed-off-by: Gaston Gonzalez <gascoar@gmail.com>
Link: https://lore.kernel.org/r/20250305193614.39604-3-gascoar@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removing typedef as per Linux code style.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-21-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for gpib_board struct.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-20-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-19-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-18-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-17-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-16-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-15-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-14-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-13-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-12-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-11-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-10-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-9-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-8-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-7-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-6-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-5-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-4-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for struct gpib_board.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-3-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Using Linux code style for gpib_board struct in .h to allow drivers to migrate.
Adhering to Linux code style.
In general, a pointer, or a struct that has elements that can reasonably be
directly accessed should never be a typedef.
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319215924.19387-2-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adhere to Linux kernel coding style.
Reported by checkpatch
CHECK: Avoid CamelCase
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319211827.9854-3-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adhere to Linux kernel coding style and remove duplicate enums.
Reported by checkpatch
CHECK: Avoid CamelCase
Signed-off-by: Michael Rubin <matchstick@neverthere.org>
Acked-By: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250319211827.9854-2-matchstick@neverthere.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the agilent usb dongle is disconnected subsequent calls to the
driver cause a NULL dereference Oops as the bus_interface
is set to NULL on disconnect.
This problem was introduced by setting usb_dev from the bus_interface
for dev_xxx messages.
Previously bus_interface was checked for NULL only in the functions
directly calling usb_fill_bulk_urb or usb_control_msg.
Check for valid bus_interface on all interface entry points
and return -ENODEV if it is NULL.
Fixes: fbae7090f30c ("staging: gpib: Update messaging and usb_device refs in agilent_usb")
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250222204515.5104-1-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If the usb dongle is disconnected subsequent calls to the
driver cause a NULL dereference Oops as the bus_interface
is set to NULL on disconnect.
This problem was introduced by setting usb_dev from the bus_interface
for dev_xxx messages.
Previously bus_interface was checked for NULL only in the the functions
directly calling usb_fill_bulk_urb or usb_control_msg.
Check for valid bus_interface on all interface entry points
and return -ENODEV if it is NULL.
Fixes: 4934b98bb243 ("staging: gpib: Update messaging and usb_device refs in ni_usb")
Cc: stable <stable@kernel.org>
Signed-off-by: Dave Penkler <dpenkler@gmail.com>
Link: https://lore.kernel.org/r/20250222165817.12856-1-dpenkler@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: updates for Linux v6.15
CoreSight self-hosted tracing driver subsystem update for Linux v6.15.
The update includes:
- CoreSight trace capture for Panic/Watchdog timeouts
- Fixes to ETM4x driver to synchronize register reads as required by the TRM
- Support for Qualcomm CoreSight TMC Control Unit driver
- Conversion of device locks to raw_spinlock for components that are used
by the Perf mode.
- Miscellaneous fixes for the subsystem
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v6.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux: (41 commits)
Coresight: Fix a NULL vs IS_ERR() bug in probe
coresight: configfs: Constify struct config_item_type
coresight: docs: Remove target sink from examples
coresight/ultrasoc: change smb_drv_data spinlock's type to raw_spinlock_t
coresight-tmc: change tmc_drvdata spinlock's type to raw_spinlock_t
coresight-replicator: change replicator_drvdata spinlock's type to raw_spinlock_t
coresight-funnel: change funnel_drvdata spinlock's type to raw_spinlock_t
coresight-etb10: change etb_drvdata spinlock's type to raw_spinlock_t
coresight-cti: change cti_drvdata spinlock's type to raw_spinlock_t
coresight: change coresight_trace_id_map's lock type to raw_spinlock_t
coresight-etm4x: change etmv4_drvdata spinlock type to raw_spinlock_t
coresight: change coresight_device lock type to raw_spinlock_t
coresight: add verification process for coresight_etm_get_trace_id
Coresight: Add Coresight TMC Control Unit driver
dt-bindings: arm: Add Coresight TMC Control Unit hardware
Coresight: Change functions to accept the coresight_path
Coresight: Change to read the trace ID from coresight_path
Coresight: Allocate trace ID after building the path
Coresight: Introduce a new struct coresight_path
Coresight: Use coresight_etm_get_trace_id() in traceid_show()
...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v6.15 merge window
This includes following USB4/Thunderbolt changes for the v6.15 merge
window:
- Move retimer scanning to happen bit later to work better with
Pluggable USB4 devices.
- No need to add non-active NVM for retimers if NVM upgrade is not
supported.
- Cleanup for tb_tunnel_alloc_usb3().
- MAINTAINERS update.
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v6.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Do not add non-active NVM if NVM upgrade is disabled for retimer
thunderbolt: Scan retimers after device router has been enumerated
thunderbolt: Make tb_tunnel_alloc_usb3() error paths consistent with the rest
MAINTAINERS: Use my kernel.org address for USB4/Thunderbolt work
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irq allocated with devm_request_irq() will be freed in devm_irq_release(),
using free_irq() in ->remove() will causes a dangling pointer, and a
subsequent double free. So remove the free_irq() in the error path and
remove path.
Fixes: 969864efae78 ("i2c: amd-mp2: use msix/msi if the hardware supports")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Link: https://lore.kernel.org/r/20221103121146.99836-1-yangyingliang@huawei.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
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There is an issue in the kernel:
In tmpfs, when using the "ls" command to list the contents
of a directory with a large number of files, glibc performs
the getdents call in multiple rounds. If a concurrent unlink
occurs between these getdents calls, it may lead to duplicate
directory entries in the ls output. One possible reproduction
scenario is as follows:
Create 1026 files and execute ls and rm concurrently:
for i in {1..1026}; do
echo "This is file $i" > /tmp/dir/file$i
done
ls /tmp/dir rm /tmp/dir/file4
->getdents(file1026-file5)
->unlink(file4)
->getdents(file5,file3,file2,file1)
It is expected that the second getdents call to return file3
through file1, but instead it returns an extra file5.
The root cause of this problem is in the offset_dir_lookup
function. It uses mas_find to determine the starting position
for the current getdents call. Since mas_find locates the first
position that is greater than or equal to mas->index, when file4
is deleted, it ends up returning file5.
It can be fixed by replacing mas_find with mas_find_rev, which
finds the first position that is less than or equal to mas->index.
Fixes: b9b588f22a0c ("libfs: Use d_children list to iterate simple_offset directories")
Signed-off-by: Yongjian Sun <sunyongjian1@huawei.com>
Link: https://lore.kernel.org/r/20250320034417.555810-1-sunyongjian@huaweicloud.com
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The WM8904 codec supports both ADC and DMIC inputs.
Get input pin functionality from the platform data and add the necessary
controls depending on the possible additional routing.
The ADC and DMIC share the IN1L/DMICDAT1 and IN1R/DMICDAT2 pins.
This leads to a few scenarios requiring different DAPM routing:
- When both are connected to an analog input, only the ADC is used.
- When one line is a DMIC and the other an analog input, the DMIC source
is set from the platform data and a mux is added to select whether to
use the ADC or DMIC.
- When both are connected to a DMIC, another mux is added to this to
select the DMIC source. Note that we still need to be able to select
the ADC system for use with the IN2L, IN2R, IN3L and IN3R pins.
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250319142059.46692-6-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
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Read in optional codec-specific properties from the device tree.
The platform_data structure is not populated when using device trees.
This change parses optional dts properties to populate it.
- wlf,in1l-as-dmicdat1
- wlf,in1r-as-dmicdat2
- wlf,gpio-cfg
- wlf,micbias-cfg
- wlf,drc-cfg-regs
- wlf,drc-cfg-names
- wlf,retune-mobile-cfg-regs
- wlf,retune-mobile-cfg-names
- wlf,retune-mobile-cfg-hz
Datasheet: https://statics.cirrus.com/pubs/proDatasheet/WM8904_Rev4.1.pdf
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250319142059.46692-5-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add two properties to select the IN1L/DMICDAT1 and IN2R/DMICDAT2
functionality:
- wlf,in1l-as-dmicdat1
- wlf,in1r-as-dmicdat2
Add a property to describe the GPIO configuration registers, that can be
used to set the four multifunction pins:
- wlf,gpio-cfg
Add a property to describe the mic bias control registers:
- wlf,micbias-cfg
Add two properties to describe the Dynamic Range Controller (DRC),
allowing multiple named configurations where each config sets the 4 DRC
registers (R40-R43):
- wlf,drc-cfg-regs
- wlf,drc-cfg-names
Add three properties to describe the equalizer (ReTune Mobile), allowing
multiple named configurations (associated with a samplerate) that set
the 24 (R134-R157) EQ registers:
- wlf,retune-mobile-cfg-regs
- wlf,retune-mobile-cfg-hz
- wlf,retune-mobile-cfg-rates
The set of names and configurations for DRC and ReTune Mobile are
specified by system integrators. The names are exposed directly to
userspace as options that can be selected at runtime.
Adding the DRC and ReTune Mobile data to the DT eases the transition
from pdata, which has handled them this way for over a decade. The
parameters filled in here are almost certainly specific tuning for the
hardware so it makes sense to ship them with the hardware description.
Datasheet: https://statics.cirrus.com/pubs/proDatasheet/WM8904_Rev4.1.pdf
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250319142059.46692-4-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
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When updating the GPIO registers, do nothing for all fields of gpio_cfg
that are "0xFFFF".
This "do nothing" flag used to be 0 to easily check whether the gpio_cfg
field was actually set inside pdata or left empty (default).
However, 0 is a valid configuration for these registers, while 0xFFFF is
not.
With this change, users can explicitly set them to 0.
Not setting gpio_cfg in the platform data will now lead to setting all
GPIO registers to 0 instead of leaving them unset.
No one is using this platform data with this codec.
The change gets the driver ready to properly set gpio_cfg from the DT.
Datasheet: https://statics.cirrus.com/pubs/proDatasheet/WM8904_Rev4.1.pdf
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250319142059.46692-3-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
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There is an of_property_read_u32_index and of_property_read_u64_index.
This patch adds a similar helper for u16.
Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20250319142059.46692-2-francesco@dolcini.it
Signed-off-by: Mark Brown <broonie@kernel.org>
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Many spi-mem controller drivers have a very similar debug log at the
beginning of their ->exec_op() callback implementation. This debug log is
effectively useful, so let's create one that is complete and concise
enough, so developers no longer need to write their own. The verbosity
being high, VERBOSE_DEBUG will be required in this case.
Remove the debug log from individual drivers and propose a common one.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Link: https://patch.msgid.link/20250320115644.2231240-1-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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There are 5 mandatory peripheral properties. They are described in a
separate binding but not explicitly required. Make sure they are
correctly marked required and update the example to reflect this.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250319094651.1290509-4-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The initial SPI controller IP from Cadence has always been implemented
into controllers from various hardware manufacturers and because of
that, it has always been (rightfully) doubled with a more specific
compatible. There are likely no reasons to keep this compatible
legitimate, alone. Make sure people do not get mislead by officially
deprecating this compatible.
While at deprecating, let's update the examples to avoid documenting
deprecated properties.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250319094651.1290509-3-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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controller is
Despite being very common in commit logs, SPI NOR controllers simply do
not exist. At least, they are not as specific as the name implies. There
are SPI memory controllers which are indeed "specialized" and optimized
for handling "memories", but most of them are just generic and accept
almost any kind of opcode, address, dummy and data cycles, making them
as suitable for NANDs than NORs.
Furthermore, this controller supports any kind of bus, from single to
octal NAND, so make it clear.
Also add a comment to mention that the initial compatible naming is too
specific (but obviously kept for backward compatibility reasons).
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250319094651.1290509-2-miquel.raynal@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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As both locks are highly contended during significant inode churn,
holding the inode hash lock while waiting for the sb list lock
exacerbates the problem.
Why moving it out is safe: the inode at hand still has I_NEW set and
anyone who finds it through legitimate means waits for the bit to clear,
by which time inode_sb_list_add() is guaranteed to have finished.
This significantly drops hash lock contention for me when stating 20
separate trees in parallel, each with 1000 directories * 1000 files.
However, no speed up was observed as contention increased on the other
locks, notably dentry LRU.
Even so, removal of the lock ordering will help making this faster
later.
Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Link: https://lore.kernel.org/r/20250320004643.1903287-1-mjguzik@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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The /sys/block/<disk>/integrity fields are historically set
if T10 protection Information is enabled.
It is not set if some upper layer uses integrity metadata.
Document it.
Signed-off-by: Milan Broz <gmazyland@gmail.com>
Co-developed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20250318154447.370786-1-gmazyland@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In some cases, we need to call test-only code from outside the test
case, for example, to mock a function or a module.
In order to check whether we are in a test or not, we need to test if
`CONFIG_KUNIT` is set.
Unfortunately, we cannot rely only on this condition because:
- a test could be running in another thread,
- some distros compile KUnit in production kernels, so checking at runtime
that `current->kunit_test != NULL` is required.
Forturately, KUnit provides an optimised check in
`kunit_get_current_test()`, which checks CONFIG_KUNIT, a global static
key, and then the current thread's running KUnit test.
Add a safe wrapper function around this to know whether or not we are in
a KUnit test and examples showing how to mock a function and a module.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Co-developed-by: David Gow <davidgow@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20250307090103.918788-4-davidgow@google.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Add a new procedural macro (`#[kunit_tests(kunit_test_suit_name)]`) to
run KUnit tests using a user-space like syntax.
The macro, that should be used on modules, transforms every `#[test]`
in a `kunit_case!` and adds a `kunit_unsafe_test_suite!` registering
all of them.
The only difference with user-space tests is that instead of using
`#[cfg(test)]`, `#[kunit_tests(kunit_test_suit_name)]` is used.
Note that `#[cfg(CONFIG_KUNIT)]` is added so the test module is not
compiled when `CONFIG_KUNIT` is set to `n`.
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Co-developed-by: Boqun Feng <boqun.feng@gmail.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Tamir Duberstein <tamird@gmail.com>
Signed-off-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20250307090103.918788-3-davidgow@google.com
[ Removed spurious (in rendered form) newline in docs. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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Add a couple of Rust const functions and macros to allow to develop
KUnit tests without relying on generated C code:
- The `kunit_unsafe_test_suite!` Rust macro is similar to the
`kunit_test_suite` C macro. It requires a NULL-terminated array of
test cases (see below).
- The `kunit_case` Rust function is similar to the `KUNIT_CASE` C macro.
It generates as case from the name and function.
- The `kunit_case_null` Rust function generates a NULL test case, which
is to be used as delimiter in `kunit_test_suite!`.
While these functions and macros can be used on their own, a future
patch will introduce another macro to create KUnit tests using a
user-space like syntax.
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Co-developed-by: Matt Gilbride <mattgilbride@google.com>
Signed-off-by: Matt Gilbride <mattgilbride@google.com>
Co-developed-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Co-developed-by: David Gow <davidgow@google.com>
Signed-off-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20250307090103.918788-2-davidgow@google.com
[ Applied Markdown in comment. - Miguel ]
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
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'event_trigger_ops mwifiex_if_ops' are not modified in these drivers.
Constifying these structures moves some data to a read-only section, so
increase overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig, as an example:
Before:
======
text data bss dec hex filename
31368 9024 6200 46592 b600 kernel/trace/trace_events_trigger.o
After:
=====
text data bss dec hex filename
31752 8608 6200 46560 b5e0 kernel/trace/trace_events_trigger.o
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://lore.kernel.org/66e8f990e649678e4be37d4d1a19158ca0dea2f4.1741521295.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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