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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Uwe Kleine-König <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Previously there was no output for the regmap's registers
in debugfs due to missing "max_register" property in regmap
configuration.
Signed-off-by: Andre Werner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Since commit 210f418f8ace ("mfd: rk8xx: Add rk806 support"), devices are
registered with "0" as id, causing devices to not have an automatic device id
and prevents having multiple RK8xx PMICs on the same system.
Properly pass PLATFORM_DEVID_AUTO to devm_mfd_add_devices() and since
it will ignore the cells .id with this special value, also cleanup
by removing all now ignored cells .id values.
Now we have the same behaviour as before rk806 introduction and rk806
retains the intended behavior.
This fixes a regression while booting the Odroid Go Ultra on v6.6.1:
sysfs: cannot create duplicate filename '/bus/platform/devices/rk808-clkout'
CPU: 3 PID: 97 Comm: kworker/u12:2 Not tainted 6.6.1 #1
Hardware name: Hardkernel ODROID-GO-Ultra (DT)
Workqueue: events_unbound deferred_probe_work_func
Call trace:
dump_backtrace+0x9c/0x11c
show_stack+0x18/0x24
dump_stack_lvl+0x78/0xc4
dump_stack+0x18/0x24
sysfs_warn_dup+0x64/0x80
sysfs_do_create_link_sd+0xf0/0xf8
sysfs_create_link+0x20/0x40
bus_add_device+0x114/0x160
device_add+0x3f0/0x7cc
platform_device_add+0x180/0x270
mfd_add_device+0x390/0x4a8
devm_mfd_add_devices+0xb0/0x150
rk8xx_probe+0x26c/0x410
rk8xx_i2c_probe+0x64/0x98
i2c_device_probe+0x104/0x2e8
really_probe+0x184/0x3c8
__driver_probe_device+0x7c/0x16c
driver_probe_device+0x3c/0x10c
__device_attach_driver+0xbc/0x158
bus_for_each_drv+0x80/0xdc
__device_attach+0x9c/0x1ac
device_initial_probe+0x14/0x20
bus_probe_device+0xac/0xb0
deferred_probe_work_func+0xa0/0xf4
process_one_work+0x1bc/0x378
worker_thread+0x1dc/0x3d4
kthread+0x104/0x118
ret_from_fork+0x10/0x20
rk8xx-i2c 0-001c: error -EEXIST: failed to add MFD devices
rk8xx-i2c: probe of 0-001c failed with error -17
Fixes: 210f418f8ace ("mfd: rk8xx: Add rk806 support")
Reported-by: Adam Green <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/20231116-topic-amlogic-upstream-fix-rk8xx-devid-auto-v2-1-3f1bad68ab9d@linaro.org
Signed-off-by: Lee Jones <[email protected]>
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platform_get_irq() returns a negative error code to indicate an error.
As does pci_alloc_irq_vectors() and pci_irq_vector(). So in
intel_lpss_probe() the erroneous IRQ would be better returned as is.
The pci_alloc_irq_vectors() call and platform_get_irq() guarantee
that IRQs will not be 0, so we'll drop that check as well.
Signed-off-by: Chen Ni <[email protected]>
[andy: updated commit message]
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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We have a few PCI APIs that may be used instead of direct dereferencing,
Using them will also provide better error codes.
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Signed-off-by: Christophe JAILLET <[email protected]>
Link: https://lore.kernel.org/r/a63f3da5745187f5a9b1e2ec0492f2fe2e0b0b8d.1698854117.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Lee Jones <[email protected]>
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In preparation for adding multiple CS support for a device, set/get
functions were introduces accessing spi->chip_select in
'commit 303feb3cc06a ("spi: Add APIs in spi core to set/get
spi->chip_select and spi->cs_gpiod")'.
Replace spi->chip_select with spi_get_chipselect() API.
Signed-off-by: Amit Kumar Mahapatra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Allow all MFD Cell properties to be filled in dynamically at
runtime
- Skip disabled device nodes and continue to look for subsequent
devices
New Device Support:
- Add support for Lunar Lake-M PCI to Intel LPSS PCI
- Add support for Denverton to Intel ICH LPC
New Functionality:
- Add support for Clocks to Texas Instruments TWL* Core
- Add support for Interrupts to STMicroelectronics STM32 Timers
Fix-ups:
- Convert to new devm-* (managed) power-off API
- Remove superfluous code
- Bunch of Device Tree additions, conversions and adaptions
- Simplify obtaining resources (memory, device data) using unified
API helpers
- Trivial coding-style / spelling type clean-ups
- Constify / staticify changes
- Expand or edit on existing documentation
- Convert some Regmap configurations to use the Maple Tree cache
- Apply new __counted_by() annotation to several data structures
containing flexible arrays
- Replace strncpy() with strscpy()
Bug Fixes:
- Remove double put creating reference imbalances
- Ensure headphone/lineout detection gets set when booting with ACPI"
* tag 'mfd-next-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits)
mfd: lpc_ich: Mark *_gpio_offsets data with const
spmi: rename spmi device lookup helper
spmi: document spmi_device_from_of() refcounting
dt-bindings: mfd: armltd: Move Arm board syscon's to separate schema
mfd: rk8xx: Add support for RK806 power off
mfd: rk8xx: Add support for standard system-power-controller property
dt-bindings: mfd: rk806: Allow system-power-controller property
dt-bindings: mfd: rk8xx: Deprecate rockchip,system-power-controller
dt-bindings: mfd: max8925: Convert to DT schema format
mfd: Use i2c_get_match_data() in a selection of drivers
mfd: Use device_get_match_data() in a bunch of drivers
mfd: mc13xxx-spi/wm831x-spi: Use spi_get_device_match_data()
mfd: motorola-cpcap: Drop unnecessary of_match_device() call
mfd: arizona-spi: Set pdata.hpdet_channel for ACPI enumerated devs
mfd: qcom-spmi-pmic: Switch to EXPORT_SYMBOL_GPL()
mfd: qcom-spmi-pmic: Fix revid implementation
mfd: qcom-spmi-pmic: Fix reference leaks in revid helper
mfd: intel-m10-bmc: Change contact for ABI docs
mfd: max8907: Convert to use maple tree register cache
mfd: max77686: Convert to use maple tree register cache
...
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There is no reason why the GPIO resource offsets should not be const.
Mark them accordingly and update a qualifier in struct lpc_ich_gpio_info
definition.
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Rename the SPMI device helper which is used to lookup a device from its
OF node as spmi_find_device_by_of_node() so that it reflects the
implementation and matches how other helpers like this are named.
This will specifically make it more clear that this is a lookup function
which returns a reference counted structure.
Signed-off-by: Johan Hovold <[email protected]>
Acked-by: Stephen Boyd <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Use DEV_OFF bit to power off the RK806 PMIC, when system-power-controller
is used in DTS.
Signed-off-by: Ondrej Jirman <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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DT property rockchip,system-power-controller is now deprecated.
Signed-off-by: Ondrej Jirman <[email protected]>
Reviewed-by: Sebastian Reichel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Use preferred i2c_get_match_data() instead of of_match_device() and
i2c driver_data to get the driver match data. With this, adjust the
includes to explicitly include the correct headers.
Signed-off-by: Rob Herring <[email protected]>
Reviewed-by: Chanwoo Choi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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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.
Reviewed-by: Chen-Yu Tsai <[email protected]>
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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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.
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
tils.feedkeys.call.run(35)
all.run(37)
all.run(39)
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If probe is reached, we've already matched the device and in the case of
DT matching, the struct device_node pointer will be set. Therefore, there
is no need to call of_match_device() in probe.
Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Commit 9e86b2ad4c11 changed the channel used for HPDET detection
(headphones vs lineout detection) from being hardcoded to
ARIZONA_ACCDET_MODE_HPL (HP left channel) to it being configurable
through arizona_pdata.hpdet_channel the DT/OF parsing added for
filling arizona_pdata on devicetree platforms ensures that
arizona_pdata.hpdet_channel gets set to ARIZONA_ACCDET_MODE_HPL
when not specified in the devicetree-node.
But on ACPI platforms where arizona_pdata is filled by
arizona_spi_acpi_probe() arizona_pdata.hpdet_channel was not
getting set, causing it to default to 0 aka ARIZONA_ACCDET_MODE_MIC.
This causes headphones to get misdetected as line-out on some models.
Fix this by setting hpdet_channel = ARIZONA_ACCDET_MODE_HPL.
Fixes: e933836744a2 ("mfd: arizona: Add support for ACPI enumeration of WM5102 connected over SPI")
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Switch to using EXPORT_SYMBOL_GPL() for the revid helper as there is no
reason not to use it.
Signed-off-by: Johan Hovold <[email protected]>
Reviewed-by: Konrad Dybcio <[email protected]>
Acked-by: Caleb Connolly <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The Qualcomm SPMI PMIC revid implementation is broken in multiple ways.
First, it assumes that just because the sibling base device has been
registered that means that it is also bound to a driver, which may not
be the case (e.g. due to probe deferral or asynchronous probe). This
could trigger a NULL-pointer dereference when attempting to access the
driver data of the unbound device.
Second, it accesses driver data of a sibling device directly and without
any locking, which means that the driver data may be freed while it is
being accessed (e.g. on driver unbind).
Third, it leaks a struct device reference to the sibling device which is
looked up using the spmi_device_from_of() every time a function (child)
device is calling the revid function (e.g. on probe).
Fix this mess by reimplementing the revid lookup so that it is done only
at probe of the PMIC device; the base device fetches the revid info from
the hardware, while any secondary SPMI device fetches the information
from the base device and caches it so that it can be accessed safely
from its children. If the base device has not been probed yet then probe
of a secondary device is deferred.
Fixes: e9c11c6e3a0e ("mfd: qcom-spmi-pmic: expose the PMIC revid information to clients")
Cc: [email protected] # 6.0
Signed-off-by: Johan Hovold <[email protected]>
Acked-by: Caleb Connolly <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The Qualcomm SPMI PMIC revid implementation is broken in multiple ways.
First, it totally ignores struct device_node reference counting and
leaks references to the parent bus node as well as each child it
iterates over using an open-coded for_each_child_of_node().
Second, it leaks references to each spmi device on the bus that it
iterates over by failing to drop the reference taken by the
spmi_device_from_of() helper.
Fix the struct device_node leaks by reimplementing the lookup using
for_each_child_of_node() and adding the missing reference count
decrements. Fix the sibling struct device leaks by dropping the
unnecessary lookups of devices with the wrong USID.
Note that this still leaves one struct device reference leak in case a
base device is found but it is not the parent of the device used for the
lookup. This will be addressed in a follow-on patch.
Fixes: e9c11c6e3a0e ("mfd: qcom-spmi-pmic: expose the PMIC revid information to clients")
Cc: [email protected] # 6.0
Signed-off-by: Johan Hovold <[email protected]>
Acked-by: Caleb Connolly <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Chanwoo Choi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Add Intel Lunar Lake-M SoC PCI IDs.
Signed-off-by: Jarkko Nikula <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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|
The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`strncpy` is deprecated for use on NUL-terminated destination strings
[1] and as such we should prefer more robust and less ambiguous string
interfaces.
We expect project_name to be NUL-terminated based on its use with
pr_info:
| pr_info("PRCMU firmware: %s(%d), version %d.%d.%d\n",
| fw_info.version.project_name,
| fw_info.version.project,
| fw_info.version.api_version,
| fw_info.version.func_version,
| fw_info.version.errata);
Moreover, NUL-padding does not seem to be needed.
Considering the above, a suitable replacement is `strscpy` [2] due to
the fact that it guarantees NUL-termination on the destination buffer
without unnecessarily NUL-padding.
Let's also change `PRCMU_FW_PROJECT_NAME_LEN` to just
sizeof(fw_info.version.project_name) as this is more idiomatic strscpy
usage.
Link: https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings [1]
Link: https://manpages.debian.org/testing/linux-manual-4.8/strscpy.9.en.html [2]
Link: https://github.com/KSPP/linux/issues/90
Cc: [email protected]
Signed-off-by: Justin Stitt <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Link: https://lore.kernel.org/r/20230927-strncpy-drivers-mfd-db8500-prcmu-c-v1-1-db9693f92a68@google.com
Signed-off-by: Lee Jones <[email protected]>
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This is to cater the need in non-ACPI system whereby a platform device
has to be created in order to bind with the Denverton pinctrl driver.
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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We are expecting more platforms that want to instantiate
the GPIO device via P2SB. For them prepare the custom structure
and move Apollo Lake data there. Refactor the code accordingly.
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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We have a specific enum for the supported chipsets.
Make struct lpc_ich_priv use better type for the chipset member.
Signed-off-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The dln2_free() already contains usb_put_dev(). Therefore,
the redundant usb_put_dev() before dln2_free() may lead to
a double free.
Fixes: 96da8f148396 ("mfd: dln2: Fix memory leak in dln2_probe()")
Signed-off-by: Dinghao Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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max8998_i2c_get_driver_data()
Simplify probe() by using i2c_get_match_data() instead of
max8998_i2c_get_driver_data() for retrieving match data from
OF/ID tables.
Signed-off-by: Biju Das <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Simplify probe() by replacing device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data().
Signed-off-by: Biju Das <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Simplify probe() by replacing of_device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data().
Signed-off-by: Biju Das <[email protected]>
Acked-by: Charles Keepax <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Simplify probe() by replacing device_get_match_data() and ID lookup for
retrieving match data by i2c_get_match_data(). After this drop
intializing the variable type.
Signed-off-by: Biju Das <[email protected]>
Acked-by: Charles Keepax <[email protected]>
Tested-by: Charles Keepax <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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