Commit Graph

2512 Commits

Author SHA1 Message Date
Alexander Stein
16fe1ad289 gpio: mcp23s08: Add support for level triggered interrupts
The interrupt for the corresponding pin is configured to trigger when the
pin state changes compared to a preconfigured state (Bit set in INTCON).
This state is set by setting/clearing the bit in DEFVAL.
In the interrupt handler we need also to check if the bit in INTCON is set
for level triggered interrupts.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-31 10:41:50 +02:00
Nicolas Saenz Julienne
80018bd9cb gpio: 74x164: add dt support for nxp's 74x594
The chip is also an 8 bit shift register which works out of the box as a GPO
expander with this patch

Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-31 10:25:51 +02:00
Axel Lin
c6cc75fec0 gpio: xgene-sb: Use irq_domain_free_irqs_common()
Current code calls irq_domain_alloc_irqs_parent() in .alloc,
so it should call irq_domain_free_irqs_parent() accordingly in .free.
Fix it by switching to use irq_domain_free_irqs_common() instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-31 10:22:53 +02:00
YD Tseng
ca27379f5d gpio: amdpt: Add a new ACPI HID
This patch adds a new ACPI HID, AMDIF030, in the pt_gpio_acpi_match.

Signed-off-by: YD Tseng<Yd_Tseng@asmedia.com.tw>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:51 +02:00
Axel Lin
b6d055b198 gpio: octeon: Constify octeon_gpio_match table
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:51 +02:00
Axel Lin
592569de4c gpio: octeon: Convert to use devm_ioremap_resource
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:51 +02:00
Axel Lin
574b782e7b gpio: amdpt: Convert to use gpio-generic
Use gpio-generic to simplify this driver.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: YD Tseng <Yd_Tseng@asmedia.com.tw>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:51 +02:00
Linus Walleij
f7aed67d63 gpio: mcp23s08: delete req/rel_resource callbacks
When using the GPIOLIB_IRQCHIP the gpiolib provides a
straight-forward implementation of request/release resources,
rely on that instead.

Cc: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Phil Reid
dad3d27295 gpio: mcp23s08: switch to use gpiolib irqchip helpers
This switches the mcp23s08 driver to use the gpiolib irqchip
helpers.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Geert Uytterhoeven
d46ab68239 gpio: 74x164: Implement gpiochip.set_multiple()
This allows to set multiple outputs using a single SPI transfer.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Geert Uytterhoeven
dbb763b8ea gpio: rcar: Implement gpiochip.set_multiple()
This allows to set multiple outputs using a single register write.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Axel Lin
f85834229b gpio: mb86s7x: Remove redundant platform_set_drvdata() call
Set it once is enough, so remove the second platform_set_drvdata() call.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Axel Lin
86d3f36768 gpio: menz127: Drop *mdev field from struct men_z127_gpio
No need to store *medv in struct men_z127_gpio.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-30 10:38:50 +02:00
Linus Torvalds
12e7b0a627 - New Drivers
- Freescale Touch Screen ADC
    - X-Powers AXP PMIC with RSB
    - TI TPS65086 Power Management IC (PMIC)
  - New Device Support
    - Supply device PCI IDs for Intel Broxton
  - Fix-ups
    - Move to clkdev_create() API; intel_quark_i2c_gpio
    - Complete re-write of TI's TPS65912 Power Management IC (PMIC)
    - Remove unnecessary function argument; axp20x
    - Separate out bus related code; axp20x
    - Coding Style changes; axp20x
    - Allow more drivers to be compiled as modules
    - Work around false positive 'used uninitialised' warning; db8500-prcmu
  - Bug Fixes
    - Remove do_div(); fsl-imx25-gcq
    - Fix driver init when built-in; tps65010
    - Fix clock-unregister leak; intel-lpss
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Merge tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Freescale Touch Screen ADC
   - X-Powers AXP PMIC with RSB
   - TI TPS65086 Power Management IC (PMIC)

  New Device Support:
   - Supply device PCI IDs for Intel Broxton

  Fix-ups:
   - Move to clkdev_create() API; intel_quark_i2c_gpio
   - Complete re-write of TI's TPS65912 Power Management IC (PMIC)
   - Remove unnecessary function argument; axp20x
   - Separate out bus related code; axp20x
   - Coding Style changes; axp20x
   - Allow more drivers to be compiled as modules
   - Work around false positive 'used uninitialised' warning; db8500-prcmu

  Bug Fixes:
   - Remove do_div(); fsl-imx25-gcq
   - Fix driver init when built-in; tps65010
   - Fix clock-unregister leak; intel-lpss"

* tag 'mfd-for-linus-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
  mfd: intel-lpss: Pass I2C configuration via properties on BXT
  mfd: imx6sx: Add PCIe register definitions for iomuxc gpr
  mfd: ipaq-micro: Use __maybe_unused to hide pm functions
  mfd: max77686: Add max77802 to I2C device ID table
  mfd: max77686: Export OF module alias information
  mfd: max77686: Allow driver to be built as a module
  mfd: stmpe: Add the proper PWM resources
  mfd: tps65090: Set regmap config reg counts properly
  mfd: syscon: Return ENOTSUPP instead of ENOSYS when disabled
  mfd: as3711: Set regmap config reg counts properly
  mfd: rc5t583: Set regmap config reg counts properly
  gpio: tps65086: Add GPO driver for the TPS65086 PMIC
  mfd: mt6397: Add platform device ID table
  mfd: da9063: Fix missing volatile registers in the core regmap_range volatile lists
  mfd: mt6397: Add MT6323 support to MT6397 driver
  mfd: mt6397: Add support for different Slave types
  mfd: mt6397: int_con and int_status may vary in location
  dt-bindings: mfd: Add bindings for the MediaTek MT6323 PMIC
  mfd: da9062: Fix missing volatile registers in the core regmap_range volatile lists
  mfd: Add documentation for ACT8945A DT bindings
  ...
2016-03-18 10:15:11 -07:00
Phil Reid
3539699c03 gpio: mcp23s08: Fix clearing of interrupt.
The mcp23s18 is configurable on clearing the interrupt on either reading
INTCAP or GPIO. Since driver reads INTCAP in IRQ and not the GPIO reg need
to set control byte for this mode.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-16 13:41:59 +01:00
Geert Uytterhoeven
1cfab8f8b3 gpiolib: Fix comment referring to gpio_*() in gpiod_*()
Fixes: 79a9becda8 ("gpiolib: export descriptor-based GPIO interface")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-16 13:11:11 +01:00
Geert Uytterhoeven
e0a8604f13 gpio: pca953x: Fix pca953x_gpio_set_multiple() on 64-bit
pca953x_gpio_set_multiple() divides by 4 to convert from longs to bytes,
which assumes a 32-bit platform, and is not correct on 64-bit platforms.
Use "sizeof(...)" instead to fix this.

Cc: stable@vger.kernel.org
Fixes: b4818afeac ("gpio: pca953x: Add set_multiple to allow multiple bits to be set in one write.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-16 13:03:14 +01:00
Matthias Brugger
e5f7e31214 gpio: xgene: Fix kconfig for standby GIPO contoller
The standby GPIO controller can be used as a interrupt controller.
Select GPIOLIB_IRQCHIP when compiling this driver. Otherwise we get
a compilation error:

drivers/gpio/gpio-xgene-sb.c: In function 'xgene_gpio_sb_probe':
drivers/gpio/gpio-xgene-sb.c:312:10: error: 'struct gpio_chip'
  has no member named 'irqdomain'
  priv->gc.irqdomain = priv->irq_domain;
          ^
scripts/Makefile.build:295: recipe for target
'drivers/gpio/gpio-xgene-sb.o' failed
make[2]: *** [drivers/gpio/gpio-xgene-sb.o] Error 1

Fixes: 1013fc41 "gpio: xgene: Enable X-Gene standby GPIO as interrupt controller"
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-16 13:00:29 +01:00
Andrew F. Davis
99f0fd540f gpio: tps65086: Add GPO driver for the TPS65086 PMIC
Add support for the TPS65086 PMIC GPOs.

TPS65086 has four configurable GPOs that can be used for several
purposes. These are output only.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-03-16 08:50:33 +00:00
Linus Walleij
9d93efe35e gpio: tps65912: fix bad merge
I screwed up while merging the immutable branch for TPS65912,
so fixing it unbroken again.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Andrew F. Davis <afd@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 22:02:52 +07:00
Linus Walleij
70aba44b6c Revert "gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free"
This reverts commit 3fab91ea28.
2016-03-09 22:00:27 +07:00
Grygorii Strashko
7b1e5dc86c gpio: omap: drop dev field from gpio_bank structure
GPIO chip structure already has "parent" field which is used for the
same purpose as "dev" field in gpio_bank structure - store pointer on
GPIO device.

Hence, drop duplicated "dev" field from gpio_bank structure.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 18:07:14 +07:00
Linus Walleij
0bae2f1732 Merge branch 'ib-mfd-regulator-gpio-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel 2016-03-09 17:40:37 +07:00
Axel Lin
adf32eaa05 gpio: mpc8xxx: Slightly update the code for better readability
Setting gc->direction_output to gc->direction_output looks strange.
I think this change makes the intention more clear.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 10:44:13 +07:00
Axel Lin
cd0d3f58a0 gpio: mpc8xxx: Remove *read_reg and *write_reg from struct mpc8xxx_gpio_chip
*read_reg and *write_reg can be removed because at all the places to call
them, we can just use gc->read_reg/gc->write_reg instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 10:43:09 +07:00
Axel Lin
fa4007ca06 gpio: mpc8xxx: Fixup setting gpio direction output
For devtype with specific gpio_dir_out implementation, current code is
wrong because below code sets both gc->direction_output and
mpc8xxx_gc->direction_output to the same function.

gc->direction_output = devtype->gpio_dir_out ?: gc->direction_output;
mpc8xxx_gc->direction_output = gc->direction_output;

Set mpc8xxx_gc->direction_output = gc->direction_output first to fix it.
This way mpc8xxx_gc->direction_output actually calls the standard
bgpio_dir_out() to update register.

Fixes: commit 42178e2a1e ("drivers/gpio: Switch gpio-mpc8xxx to use gpio-generic")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 10:41:23 +07:00
Phil Reid
28c5a41e4a gpio: mcp23s08: Add support for mcp23s18
This patch adds support for the mcp23s18 which is very similar to
the mcp23s17. A couple of control bits are not the same.
Notable IOCON_HAEN (s17 only) & IOCON_INTCC. Which can be ignored.

Patch changes the following:
- Add mcp23s18 types.
- Always set mirror bit if the dts defines mcp23s18. regardless of type.
  Mirror bit is ignored on 8 bit devices anyway.
- In mcp23s08_probe use chip.ngpio instead of logic based on type
  to determine number of gpio lins to increment by. This is set
  appropiately by the call to mcp23s08_probe_one.
- Add mcp23s18 to device tree documentation.
- Remove statement that irqs don't work for spi. They do.
  Tested with mcp23s18.

Signed-off-by: Phil Reid <preid@electromag.com.au>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 09:50:37 +07:00
Andreas Werner
f436bc2726 gpio: add driver for MEN 16Z127 GPIO controller
The 16Z127 is a 32bit GPIO controller on a MCB FPGA.
Every single line can be configured as input and output.

Push pull and open drain are supported as well as setting
a debounce value for the input lines.

Signed-off-by: Andreas Werner <andy@wernerandy.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 09:44:52 +07:00
Axel Lin
3fab91ea28 gpio: lp3943: Drop pin_used and lp3943_gpio_request/lp3943_gpio_free
The implementation of lp3943_gpio_request/lp3943_gpio_free test pin_used
for tracing the pin usage. However, gpiolib already checks FLAG_REQUESTED
flag for the same purpose. So remove the redundant implementation.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-09 09:17:55 +07:00
Amitoj Kaur Chawla
fa283db76f gpio: timberdale: Switch to devm_ioremap_resource()
Replace calls to devm_request_mem_region and devm_ioremap with a
direct call to devm_ioremap_resource instead and modify error
handling.

Move the call to platform_get_resource adjacent to the call to
devm_ioremap_resource to make the connection between them more
clear.

A simplified version of the Coccinelle semantic patch that is used to
make this change is as follows:
//<smpl>
@nm@
expression myname;
identifier i;
@@

struct platform_driver i = { .driver = { .name = myname } };

@@
expression dev,res,size,e1,e;
expression nm.myname;
@@

-if (!devm_request_mem_region(dev, res->start, size,
-                              \(res->name\|dev_name(dev)\|myname\)))
                               {
-   ...
-   return ...;
-}
... when != res->start = e1
e =
-devm_ioremap(dev,res->start,size);
+devm_ioremap_resource(dev,res);

if
-(e == NULL)
+(IS_ERR(e))
{
 ...
-return ...;
+return PTR_ERR(e);
}
//</smpl>

Further, updated error handling by hand as devm_ioremap_resource
gives appropriate error messages, so remove unnecessary error
messages.

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-08 15:56:33 +07:00
Julien Grossholtz
6dcfd7291b gpio: ts4800: Add IMX51 dependency
The TS-4800 is an i.MX515 board. Its GPIO driver should only be compiled
for this CPU or for test builds.

Signed-off-by: Julien Grossholtz <julien.grossholtz@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-08 15:28:08 +07:00
Linus Walleij
016bf20829 Merge branch 'devm-gpiochip-add-data' into devel 2016-03-08 14:41:41 +07:00
Bamvor Jian Zhang
a961f9b472 gpiolib: rewrite gpiodev_add_to_list
The original code of gpiodev_add_to_list is not very clear which
lead to bugs or compiling warning, reference the following patches:
Bugs:
1.  Commit ef7c755303 ("gpiolib: improve overlap check of range of
    gpio").
2.  Commit 96098df125 ("gpiolib: fix chip order in gpio list")

Warning:
1.  Commit e28ecca6ea ("gpio: fix warning about iterator").
of gpio").

There is a off-list discussion about how to improve it consequently.
This commit try to follow this by rewriting the whole functions.

Tested pass with my gpio mockup driver and test scripts[1].

[1] http://www.spinics.net/lists/linux-gpio/msg09598.html

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-07 12:02:46 +07:00
Axel Lin
24030d9d95 gpio: moxart: Allow compile test build
There is no build dependency for this driver, so enable COMPILE_TEST to get
better build coverage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-07 11:38:34 +07:00
Axel Lin
0c271658aa gpio: moxart: Drop redundant code to set already initialized gpio_chip fields
These fields are initialized by bgpio_init() with exactly the same settings
so remove the redundant code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-03-07 11:37:11 +07:00
Linus Walleij
214338e372 gpio: present the consumer of a line to userspace
I named the field representing the current user of GPIO line as
"label" but this is too vague and ambiguous. Before anyone gets
confused, rename it to "consumer" and indicate clearly in the
documentation that this is a string set by the user of the line.

Also clean up leftovers in the documentation.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 21:07:23 +01:00
Bamvor Jian Zhang
d27c17285e gpio: fix abi regression in sysfs
We started to assign the gpio_device as parent for the sysfs
but this changes the expected layout of sysfs. Restore the
previous behaviour.

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 16:08:45 +01:00
Axel Lin
4fccbbde11 gpio: mb86s7x: Allow compile test build
There is no build dependency for this driver, so enable COMPILE_TEST to get
better build coverage.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 16:00:25 +01:00
Axel Lin
ea04a7cae3 gpio: pisosr: Use gpiod_set_value_cansleep in pisosr_gpio_refresh()
This driver has .can_sleep flag set.
So the pisosr_gpio_get() can be called from contexts that can sleep.
Thus use the cansleep() variant in pisosr_gpio_refresh().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:46 +01:00
Axel Lin
21d08ab9c9 gpio: pisosr: Use devm_gpiod_get_optional for gpio->load_gpio
gpio->load_gpio is optional, so use devm_gpiod_get_optional instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:46 +01:00
Andrzej Hajda
d34607d11d gpio: xgene: fix type of variable containing error codes
ret variable can contain error values and is compared with zero.
Its type must be signed.

The problem has been detected using coccinelle script
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:45 +01:00
Simon Horman
2af66e1dec gpio: rcar: Use ARCH_RENESAS
Make use of ARCH_RENESAS in place of ARCH_SHMOBILE.

This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:45 +01:00
Axel Lin
22d4ca3522 gpio: ts4800: Drop redundant code to set already initialized gpio_chip fields
Both chip->base and chip->label are correctly set by bgpio_init().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Julien Grossholtz <julien.grossholtz@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:44 +01:00
Axel Lin
b178e7ead0 gpio: brcmstb: Use list_for_each_entry at appropriate places
Use list_for_each_entry to simplify the code a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:43 +01:00
Axel Lin
f0d3c72ccb gpio: ath79: Check valid gpio count for both DT and non-DT cases
Move the code checking valid gpio count to cover both DT and non-DT cases.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 15:20:43 +01:00
Linus Walleij
725e3b7d40 Merge branch 'devm_gpiochip' of https://github.com/ldewangan/linux-upstream into devm-gpiochip-add-data 2016-02-25 14:22:10 +01:00
Axel Lin
ea1361fd5f gpio: pisosr: Use devm_gpiod_get_optional for gpio->load_gpio
gpio->load_gpio is optional, so use devm_gpiod_get_optional instead.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Andrew F. Davis <afd@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 14:16:57 +01:00
Andrzej Hajda
67ebb742b9 gpio: xgene: fix type of variable containing error codes
ret variable can contain error values and is compared with zero.
Its type must be signed.

The problem has been detected using coccinelle script
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 11:00:03 +01:00
Simon Horman
68999a4f1a gpio: rcar: Use ARCH_RENESAS
Make use of ARCH_RENESAS in place of ARCH_SHMOBILE.

This is part of an ongoing process to migrate from ARCH_SHMOBILE to
ARCH_RENESAS the motivation for which being that RENESAS seems to be a more
appropriate name than SHMOBILE for the majority of Renesas ARM based SoCs.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:54:30 +01:00
Axel Lin
dd06d41621 gpio: ts4800: Drop redundant code to set already initialized gpio_chip fields
Both chip->base and chip->label are correctly set by bgpio_init().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested-by: Julien Grossholtz <julien.grossholtz@savoirfairelinux.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:51:42 +01:00
Axel Lin
21c4a0c852 gpio: brcmstb: Use list_for_each_entry at appropriate places
Use list_for_each_entry to simplify the code a bit.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Gregory Fong <gregory.0xf0@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:28:49 +01:00
Axel Lin
2b99d32790 gpio: ath79: Check valid gpio count for both DT and non-DT cases
Move the code checking valid gpio count to cover both DT and non-DT cases.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Alban Bedel <albeu@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:09:59 +01:00
Geert Uytterhoeven
29821c2c61 gpio: rcar: Add Runtime PM handling for interrupts
The R-Car GPIO driver handles Runtime PM for requested GPIOs only.

When using a GPIO purely as an interrupt source, no Runtime PM handling
is done, and the GPIO module's clock may not be enabled.

To fix this:
  - Add .irq_request_resources() and .irq_release_resources() callbacks
    to handle Runtime PM when an interrupt is requested,
  - Add irq_bus_lock() and sync_unlock() callbacks to handle Runtime PM
    when e.g. disabling/enabling an interrupt, or configuring the
    interrupt type.

Fixes: d5c3d84657 "net: phy: Avoid polling PHY with PHY_IGNORE_INTERRUPTS"
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:06:01 +01:00
Geert Uytterhoeven
40c8eabac4 gpio: Propagate all errors in devm_get_gpiod_from_child()
devm_get_gpiod_from_child() tries several property suffixes to find a
GPIO descriptor. If all suffixes fail and no probe deferral has been
detected, it returns the error of the last try.

However, if any but the last try fails with a real error (e.g. -EBUSY),
this error is not propagated, and -ENOENT will be returned.
This confuses drivers that e.g. want to detect if a GPIO is already in
use.

To fix this, change the loop logic to continue on -ENOENT, which
indicates the property was not found and the next suffix should be
tried, and propagate all other detected errors.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-02-25 10:04:25 +01:00
Laxman Dewangan
9d113c696f gpio: xgene: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:54 +05:30
Laxman Dewangan
29862059a5 gpio: xgene-sb: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:53 +05:30
Laxman Dewangan
c87dc4e46e gpio: wm8994: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: patches@opensource.wolfsonmicro.com
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
2016-02-23 20:35:53 +05:30
Laxman Dewangan
4a4925cf2b gpio: wm8350: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: patches@opensource.wolfsonmicro.com
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
2016-02-23 20:35:52 +05:30
Laxman Dewangan
61da4848a1 gpio: wm8350: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: patches@opensource.wolfsonmicro.com
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
2016-02-23 20:35:52 +05:30
Laxman Dewangan
55e3e1a75d gpio: vx855: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:51 +05:30
Laxman Dewangan
45338c3aa1 gpio: viperboard: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:51 +05:30
Laxman Dewangan
5d61a9e0ac gpio: ucb1400: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:50 +05:30
Laxman Dewangan
fc0292a238 gpio: twl6040: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:50 +05:30
Laxman Dewangan
973eff01c5 gpio: ts5500: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:49 +05:30
Laxman Dewangan
33ba54ee47 gpio: ts4800: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:48 +05:30
Laxman Dewangan
0964ac703e gpio: tps65912: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:48 +05:30
Laxman Dewangan
bf6e855a4e gpio: tps65910: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:47 +05:30
Laxman Dewangan
79c676f808 gpio: tps6586x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:47 +05:30
Laxman Dewangan
43fad8322a gpio: timberdale Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:46 +05:30
Laxman Dewangan
8b4acf3a9b gpio: tegra: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
2016-02-23 20:35:46 +05:30
Laxman Dewangan
f3378b6a26 gpio: tc3589x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:45 +05:30
Laxman Dewangan
ad7b550ad7 gpio: tb10x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:44 +05:30
Laxman Dewangan
94c683ab8d gpio: syscon: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:44 +05:30
Laxman Dewangan
c7c8a8fc1e gpio: sx150x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:43 +05:30
Laxman Dewangan
1a20cb2d7d gpio: stp-xway: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:43 +05:30
Laxman Dewangan
5fa734ccf0 gpio: sta2x11: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:42 +05:30
Laxman Dewangan
3d297bb030 gpio: spear-spics: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:42 +05:30
Laxman Dewangan
c1411464d2 gpio: sch: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:41 +05:30
Laxman Dewangan
cfae2c908f gpio: rdc321x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:41 +05:30
Laxman Dewangan
bc72f7f7b8 gpio: rc5t583: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:40 +05:30
Laxman Dewangan
297bf067ec gpio: palmas: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:40 +05:30
Laxman Dewangan
3aebfc9bd8 gpio: pcf857x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:39 +05:30
Laxman Dewangan
0ece84f54a gpio: pca953x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:38 +05:30
Laxman Dewangan
1533d4fd33 gpio: octeon: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:38 +05:30
Laxman Dewangan
ffc566303e gpio: mxc: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:37 +05:30
Laxman Dewangan
00b9ab4a25 gpio: mvebu: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:37 +05:30
Laxman Dewangan
33bde5c503 gpio: moxart: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:36 +05:30
Laxman Dewangan
7d645df05a gpio: mc9s08dz60: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:36 +05:30
Laxman Dewangan
efa3ffcd98 gpio: lynxpoint: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:35 +05:30
Laxman Dewangan
69c0a0a52c gpio: lpc32xx: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:35 +05:30
Laxman Dewangan
4ca75bfe2f gpio: lp3943: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:34 +05:30
Laxman Dewangan
7b697b3a01 gpio: kempld: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:34 +05:30
Laxman Dewangan
abeb3f4029 gpio: janz-ttl: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:33 +05:30
Laxman Dewangan
0c638759bf gpio: iop: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:32 +05:30
Laxman Dewangan
c05f813b96 gpio: generic: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:32 +05:30
Laxman Dewangan
ad2261ca7b gpio: ge: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:31 +05:30
Laxman Dewangan
330f4e5617 gpio: f7188x: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:31 +05:30
Laxman Dewangan
4cb220e275 gpio: ep93xx: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:30 +05:30
Laxman Dewangan
1ab79a6ad5 gpio: dln2: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
2016-02-23 20:35:30 +05:30
Laxman Dewangan
7e9104ccb3 gpio: da9055: Use devm_gpiochip_add_data() for gpio registration
Use devm_gpiochip_add_data() for GPIO registration and remove the
need of driver callback .remove.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: Support Opensource <support.opensource@diasemi.com>
2016-02-23 20:35:29 +05:30