linux.git/drivers/pinctrl, branch v3.7-rc2

pinctrl/nomadik: always use the simple irqdomain

2012-10-15T07:09:27+00:00

Since the simple irqdomain will fall back to a linear domain
if the first_irq provided is <= 0, just use this, just make
sure the first_irq is negative in the device tree case.

Cc: Rob Herring 
Acked-by: Lee Jones 
Signed-off-by: Linus Walleij

pinctrl/nomadik: provide stubs for legacy Nomadik

2012-10-15T07:09:27+00:00

The compilation of the pinctrl driver failed on the legacy
Nomadik NHK8815 platform because it was not providing the PRCMU
interfaces needed to support the extended alternate functions
used by the ux500 series.

Solve this by providing some stubs for the legacy platform, to
avoid too much #ifdefs in the code per se. Theoretically this
actually allows the Nomadik and Ux500 to have a single kernel
image with support for the PRCM registers on the Ux500 (though
they have incompatible archs, but the spirit is there).

Reported-by: Arnd Bergmann 
Signed-off-by: Linus Walleij

pinctrl: remove duplicated include from pinctrl-xway.c

2012-10-15T07:09:27+00:00

Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun 
Signed-off-by: Linus Walleij

pinctrl: sirf: remove sirfsoc_gpio_set_pull function

2012-10-15T07:09:27+00:00

The prima2 platform advertises needing no mach/gpio.h header file,
but its pinctrl driver now has a sirfsoc_gpio_set_pull function
that uses constants defined in arch/arm/mach-prima2/include/mach/gpio.h,
which fails to build.

Fortunately, the sirfsoc_gpio_set_pull is not used anywhere in the
kernel, so we can safely remove it. Any out of tree drivers using
it will have to be converted to use proper pinctrl functions to
do the same.

Without this patch, building prima2_defconfig results in:

drivers/pinctrl/pinctrl-sirf.c: In function 'sirfsoc_gpio_set_pull':
drivers/pinctrl/pinctrl-sirf.c:1331:7: error: 'SIRFSOC_GPIO_PULL_NONE' undeclared (first use in this function)
drivers/pinctrl/pinctrl-sirf.c:1331:7: note: each undeclared identifier is reported only once for each function it appears in
drivers/pinctrl/pinctrl-sirf.c:1334:7: error: 'SIRFSOC_GPIO_PULL_UP' undeclared (first use in this function)
drivers/pinctrl/pinctrl-sirf.c:1338:7: error: 'SIRFSOC_GPIO_PULL_DOWN' undeclared (first use in this function)

Signed-off-by: Arnd Bergmann 
Acked-by: Barry Song 
Signed-off-by: Linus Walleij

pinctrl: fix return value in bcm2835_pinctrl_probe()

2012-10-15T07:09:27+00:00

In case of error, the function pinctrl_register() returns
NULL not ERR_PTR(). The PTR_ERR() in the return value
should be replaced with error no.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun 
Acked-by: Stephen Warren 
Signed-off-by: Linus Walleij

pinctrl: remove duplicated include from pinctrl-bcm2835.c

2012-10-15T07:09:27+00:00

Remove duplicated include.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun 
Acked-by: Stephen Warren 
Signed-off-by: Linus Walleij

pinctrl: bcm2835: Use existing pointer to struct device

2012-10-15T07:09:27+00:00

The pointer to "pdev->dev" is already stored in "dev", so use it in
devm_request_and_ioremap().

Signed-off-by: Tobias Klauser 
Acked-by: Stephen Warren 
Signed-off-by: Linus Walleij

pinctrl: samsung: use __devinit section for init code

2012-10-15T07:09:27+00:00

The samsung pinctrl driver has a probe function that is
__devinit and that calls a lot of other functions that are
marked __init, which kbuild complains about.

Marking everything __devinit means that the code does not
discarded when CONFIG_HOTPLUG is set, which is a little
more wasteful, but also more consistent

Without this patch, building exynos_defconfig results in:

WARNING: drivers/pinctrl/built-in.o(.devinit.text+0x124): Section mismatch in reference from the function samsung_pinctrl_probe() to the function .init.text:samsung_gpiolib_register()
The function __devinit samsung_pinctrl_probe() references
a function __init samsung_gpiolib_register().
If samsung_gpiolib_register is only used by samsung_pinctrl_probe then
annotate samsung_gpiolib_register with a matching annotation.

Signed-off-by: Arnd Bergmann 
Cc: Thomas Abraham 
Cc: Linus Walleij 
Cc: Stephen Warren 
Cc: Kukjin Kim 
Signed-off-by: Linus Walleij

pinctrl/nomadik: use simple or linear IRQ domain

2012-10-10T06:57:26+00:00

This alters the Nomadik pinctrl driver to:

- Call irqdomain_add_linear() for the DT case so we get
  all independent from IRQ numbers in this case.
- Call irqdomain_add_simple() for the legacy case, which
  allocates the IRQ descriptors for the Nomadik pin controller
  dynamically.

Cc: Lee Jones 
Cc: Rob Herring 
Signed-off-by: Linus Walleij

pinctrl/nomadik: support other alternate-C functions

2012-10-10T06:36:59+00:00

Upgrade nomadik pinctrl driver to enable selection of other
alternate-C[1-4] functions on some specific ux500 SoC pins.
Handling of those functions is done thanks to PRCM GPIOCR
registers. This was previously managed in PRCMU driver and
it was not really convenient. Idea is to provide a common
way to control all alternate functions.

Note that this improvement does not support the old-fashioned way
used to control nomadik pins, namely the "nmk_config_pin()" function
and its derivatives.

Signed-off-by: Jean-Nicolas Graux 
Reviewed-by: Philippe Langlais 
Signed-off-by: Linus Walleij