GPIO_S0_SC57 / GPIO_S0_SC61 can be muxed to PCU_UART_TXD / PCU_UART_RXD,
add a pinconf group for this.
On Bay Trail board schematics using these pins as UART these are
called UART3_TXD / UART3_RXD, name the pinconf group "uart3_grp"
to be consistent with the schematics.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
For all the "score" pin-groups all the intel_pingroup-s to select
the non GPIO function are re-used for byt_score_gpio_groups[].
But this is incorrect since a pin-group includes the mode setting,
which for the non GPIO functions generally is 1, where as to select
the GPIO function mode must be set to 0.
So the GPIO function needs separate intel_pingroup-s with their own mode
value of 0.
Add a new PIN_GROUP_GPIO macro which adds a foo_gpio entry to each
pin-group defined this way and update byt_score_gpio_groups[] to point
to the new foo_gpio entries.
The "sus" usb_oc_grp usb_ulpi_grp and pcu_spi_grp pin-groups are special
because these have a non 0 mode value to select the GPIO functions and
these already have matching foo_gpio pin-groups, leave these are unchanged.
The pmu_clk "sus" groups added in commit 2f46d7f7e9 ("pinctrl: baytrail:
Add pinconf group + function for the pmu_clk") do need to use the new
PIN_GROUP_GPIO macro.
Fixes: 2f46d7f7e9 ("pinctrl: baytrail: Add pinconf group + function for the pmu_clk")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
* New agnostic driver to support Lunar Lake and newer platforms
* New driver for Intel Meteor Point-S (PCH for Meteor Lake-S)
* Update drivers to use new PM helpers
* Use RAII for locking in a few drivers (Raag, Andy)
* Reduce locking scope in some functions (Raag)
* Miscellaneous cleanups (Raag)
The following is an automated git shortlog grouped by driver:
alderlake:
- Switch to use Intel pin control PM ops
baytrail:
- Simplify code with cleanup helpers
- Move default strength assignment to a switch-case
- Factor out byt_gpio_force_input_mode()
- Fix types of config value in byt_pin_config_set()
broxton:
- Switch to use Intel pin control PM ops
cannonlake:
- Switch to use Intel pin control PM ops
cedarfork:
- Switch to use Intel pin control PM ops
denverton:
- Switch to use Intel pin control PM ops
elkhartlake:
- Switch to use Intel pin control PM ops
emmitsburg:
- Switch to use Intel pin control PM ops
geminilake:
- Switch to use Intel pin control PM ops
icelake:
- Switch to use Intel pin control PM ops
intel:
- Add Intel Meteor Point pin controller and GPIO support
- use the correct _PM_OPS() export macro
- Add a generic Intel pin control platform driver
- Revert "Unexport intel_pinctrl_probe()"
- allow independent COMPILE_TEST
- Refactor intel_pinctrl_get_soc_data()
- Move default strength assignment to a switch-case
- Make PM ops functions static
- Provide Intel pin control wide PM ops structure
jasperlake:
- Switch to use Intel pin control PM ops
lakefield:
- Switch to use Intel pin control PM ops
lewisburg:
- Switch to use Intel pin control PM ops
lynxpoint:
- Simplify code with cleanup helpers
meteorlake:
- Switch to use Intel pin control PM ops
sunrisepoint:
- Switch to use Intel pin control PM ops
tangier:
- simplify locking using cleanup helpers
- Move default strength assignment to a switch-case
- Enable 910 Ohm bias
tigerlake:
- Switch to use Intel pin control PM ops
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Merge tag 'intel-pinctrl-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel into devel
intel-pinctrl for v6.8-1
* New agnostic driver to support Lunar Lake and newer platforms
* New driver for Intel Meteor Point-S (PCH for Meteor Lake-S)
* Update drivers to use new PM helpers
* Use RAII for locking in a few drivers (Raag, Andy)
* Reduce locking scope in some functions (Raag)
* Miscellaneous cleanups (Raag)
The following is an automated git shortlog grouped by driver:
alderlake:
- Switch to use Intel pin control PM ops
baytrail:
- Simplify code with cleanup helpers
- Move default strength assignment to a switch-case
- Factor out byt_gpio_force_input_mode()
- Fix types of config value in byt_pin_config_set()
broxton:
- Switch to use Intel pin control PM ops
cannonlake:
- Switch to use Intel pin control PM ops
cedarfork:
- Switch to use Intel pin control PM ops
denverton:
- Switch to use Intel pin control PM ops
elkhartlake:
- Switch to use Intel pin control PM ops
emmitsburg:
- Switch to use Intel pin control PM ops
geminilake:
- Switch to use Intel pin control PM ops
icelake:
- Switch to use Intel pin control PM ops
intel:
- Add Intel Meteor Point pin controller and GPIO support
- use the correct _PM_OPS() export macro
- Add a generic Intel pin control platform driver
- Revert "Unexport intel_pinctrl_probe()"
- allow independent COMPILE_TEST
- Refactor intel_pinctrl_get_soc_data()
- Move default strength assignment to a switch-case
- Make PM ops functions static
- Provide Intel pin control wide PM ops structure
jasperlake:
- Switch to use Intel pin control PM ops
lakefield:
- Switch to use Intel pin control PM ops
lewisburg:
- Switch to use Intel pin control PM ops
lynxpoint:
- Simplify code with cleanup helpers
meteorlake:
- Switch to use Intel pin control PM ops
sunrisepoint:
- Switch to use Intel pin control PM ops
tangier:
- simplify locking using cleanup helpers
- Move default strength assignment to a switch-case
- Enable 910 Ohm bias
tigerlake:
- Switch to use Intel pin control PM ops
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This driver supports pinctrl/GPIO hardware found on Intel Meteor Point
(a Meteor Lake PCH) providing users a pinctrl and GPIO interfaces
including GPIO interrupts.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Use the new gpiochip_dup_line_label() helper to safely retrieve the
descriptor label.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Use macros defined in linux/cleanup.h to automate resource lifetime
control in the driver.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
When ->pin_config_set() is called from the GPIO library (assumed
GpioIo() ACPI resource), the argument can be 1, when, for example,
PullDefault is provided. In such case we supply sane default in
the driver. Move that default assingment to a switch-case, so
it will be consolidated in one place.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
There is a piece of code that it being used at least twice.
Factor it out.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
When unpacked, the config value is split to two of different types.
Fix the types accordingly.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Use macros defined in linux/cleanup.h to automate resource lifetime
control in the driver.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Use lock guards from cleanup.h to simplify locking.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Since we don't have runtime PM handles here, we should be using
EXPORT_NS_GPL_DEV_SLEEP_PM_OPS() macro, so that the compiler can
discard it in case CONFIG_PM_SLEEP=n.
Fixes: b10a74b5c0 ("pinctrl: intel: Provide Intel pin control wide PM ops structure")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
New generations of Intel platforms will provide better description
of the pin control devices in the ACPI tables. Hence, we may provide
a generic pin control platform driver to cover all of them. Currently
the following Intel SoCs / platforms require this to be functional:
- Lunar Lake
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
In order to prepare for a new coming driver export the original
intel_pinctrl_probe() again.
This reverts commit 0dd519e378.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Now that we have completed the transition to standard ACPI helpers for the
entire Intel pinctrl tree, we can detach COMPILE_TEST from ACPI dependency.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Refactor intel_pinctrl_get_soc_data() to drop initial assignment
of the data variable. It's only used in ACPI case and instead
we may always assign it there as the ACPI ID table has the terminator
entry that has driver data set to NULL.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
iWhen ->pin_config_set() is called from the GPIO library (assumed
GpioIo() ACPI resource), the argument can be 1, when, for example,
PullDefault is provided. In such case we supply sane default in
the driver. Move that default assingment to a switch-case, so
it will be consolidated in one place.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
iWhen ->pin_config_set() is called from the GPIO library (assumed
GpioIo() ACPI resource), the argument can be 1, when, for example,
PullDefault is provided. In such case we supply sane default in
the driver. Move that default assingment to a switch-case, so
it will be consolidated in one place.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Family 7 (I2C) supports special bias value, i.e. 910 Ohm.
Enable it for configuring pin.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Raag Jadav <raag.jadav@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-17-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-16-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-15-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-14-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-13-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-12-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-11-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-10-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-9-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-8-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-7-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The main driver conditionally exports the PM ops structure.
Switch this driver to use it instead of customly wrapped one.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
With the help of EXPORT_NS_GPL_DEV_PM_OPS() and
NOIRQ_SYSTEM_SLEEP_PM_OPS() we may convert PM ops functions to become
static. This also takes into account the PM configuration options such
as CONFIG_PM and CONFIG_PM_SLEEP. Hence the first step is to provide
a generic PM ops structure that can be used by drivers directly.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231030120734.2831419-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Now that pinctrl_gpio_direction_output() is no longer used, let's drop
the '_new' suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Now that pinctrl_gpio_direction_input() is no longer used, let's drop the
'_new' suffix from its improved variant.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Replace the pinctrl helpers taking the global GPIO number as argument
with the improved variants that instead take a pointer to the GPIO chip
and the controller-relative offset.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Replace the pinctrl helpers taking the global GPIO number as argument
with the improved variants that instead take a pointer to the GPIO chip
and the controller-relative offset.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Replace the pinctrl helpers taking the global GPIO number as argument
with the improved variants that instead take a pointer to the GPIO chip
and the controller-relative offset.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
New drivers:
- Realtek RTD family pin control driver and RTD1619B,
RTD1319D and RTD1315E subdrivers.
- Nuvoton NPCM8xx combined pin control and GPIO driver.
- Amlogic T7 pin control driver.
- Renesas RZ/G3S pin control driver.
Improvements:
- A number of additional UART groups added to the Mediatek
MT7981 driver.
- MPM pin maps added for Qualcomm MSM8996, SM6115, SM6125
and SDM660.
- Extra GPIO banks for the Sunxi H616.
- MLSP I2C6 function support in Qualcomm MSM8226.
- Some __counted_by() annotations for dynamic arrays.
- Ongoing work to make remove() return void.
- LSBC groups and functions in the Renesas R8A7778.
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Merge tag 'pinctrl-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"No pin control core changes this time.
New drivers:
- Realtek RTD family pin control driver and RTD1619B, RTD1319D and
RTD1315E subdrivers
- Nuvoton NPCM8xx combined pin control and GPIO driver
- Amlogic T7 pin control driver
- Renesas RZ/G3S pin control driver
Improvements:
- A number of additional UART groups added to the Mediatek MT7981
driver
- MPM pin maps added for Qualcomm MSM8996, SM6115, SM6125 and SDM660
- Extra GPIO banks for the Sunxi H616
- MLSP I2C6 function support in Qualcomm MSM8226
- Some __counted_by() annotations for dynamic arrays
- Ongoing work to make remove() return void
- LSBC groups and functions in the Renesas R8A7778"
* tag 'pinctrl-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (110 commits)
pinctrl: Use device_get_match_data()
dt-bindings: pinctrl: qcom,sa8775p-tlmm: add missing wakeup-parent
dt-bindings: pinctrl: nuvoton,npcm845: Add missing additionalProperties on gpio child nodes
dt-bindings: pinctrl: brcm: Ensure all child node properties are documented
pinctrl: renesas: rzn1: Convert to platform remove callback returning void
pinctrl: renesas: rzg2l: Add RZ/G3S support
dt-bindings: pinctrl: renesas: Document RZ/G3S SoC
pinctrl: renesas: rzg2l: Add support for different DS values on different groups
pinctrl: renesas: rzg2l: Move DS and OI to SoC-specific configuration
pinctrl: renesas: rzg2l: Adapt function number for RZ/G3S
pinctrl: renesas: rzg2l: Adapt for different SD/PWPR register offsets
pinctrl: renesas: rzg2l: Index all registers based on port offset
pinctrl: renesas: rzg2l: Add validation of GPIO pin in rzg2l_gpio_request()
pinctrl: renesas: r8a7778: Add LBSC pins, groups, and functions
pinctrl: intel: fetch community only when we need it
pinctrl: cherryview: reduce scope of PIN_CONFIG_BIAS_HIGH_IMPEDANCE case
pinctrl: cherryview: Convert to platform remove callback returning void
pinctrl: sprd-sc9860: Convert to platform remove callback returning void
pinctrl: qcom/msm: Convert to platform remove callback returning void
pinctrl: qcom/lpi: Convert to platform remove callback returning void
...
Convert manual _UID references to use the standard ACPI helper.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
We check community features only in case PIN_CONFIG_BIAS_PULL_DOWN while
setting/getting pad termination. No need to fetch the community otherwise.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
We have a couple of pinconfig cases inside the braces which are meant for
PIN_CONFIG_BIAS_HIGH_IMPEDANCE case. Although it is valid C, it makes the
code less readable and prone to misinterpretation. Limit the braces to
PIN_CONFIG_BIAS_HIGH_IMPEDANCE case to avoid this.
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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 <u.kleine-koenig@pengutronix.de>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Use macros defined in linux/cleanup.h to automate resource lifetime
control in the driver.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
In some cases we already read the value from the register followed
by a reading of it again for other purposes, but the both reads
are under the lock and bits we are insterested in are not going
to change (they are not volatile from HW perspective). Hence, no
need to read the same register twice.
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
As Krzysztof pointed out the better is to use MODULE_DEVICE_TABLE()
as it will be consistent with the content of the real ID table of
the platform devices.
Suggested-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
