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GPIO fixes for the v3.13 development cycle:

Browse Source 
- Driver bug fixes for SH PFC, TWL4030, MSM and RCAR.
 
 - Update the MAINTAINERS
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Merge tag 'gpio-v3.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO fixes from Linus Walleij:
 "All but one are long-standing bug fixes that are also tagged for
  stable

   - Driver bug fixes for SH PFC, TWL4030, MSM and RCAR.

   - Update the MAINTAINERS"

* tag 'gpio-v3.13-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
  gpio: rcar: Fix level interrupt handling
  gpio: msm: Fix irq mask/unmask by writing bits instead of numbers
  gpio: twl4030: Fix regression for twl gpio LED output
  sh-pfc: Fix PINMUX_GPIO macro
  MAINTAINERS: update GPIO maintainers entry
This commit is contained in:
Linus Torvalds 2013-12-17 11:47:40 -08:00
commit 0eda4020ae
5 changed files with 21 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
MAINTAINERS
View File

@ -3761,9 +3761,11 @@ F: include/uapi/linux/gigaset_dev.h
GPIO SUBSYSTEM
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
M: Alexandre Courbot <gnurou@gmail.com>
L: linux-gpio@vger.kernel.org
F: Documentation/gpio.txt
T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
S: Maintained
F: Documentation/gpio/
F: drivers/gpio/
F: include/linux/gpio*
F: include/asm-generic/gpio.h

4
drivers/gpio/gpio-msm-v2.c
View File

@ -252,7 +252,7 @@ static void msm_gpio_irq_mask(struct irq_data *d)
spin_lock_irqsave(&tlmm_lock, irq_flags);
writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio));
clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
clear_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
__clear_bit(gpio, msm_gpio.enabled_irqs);
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}
@ -264,7 +264,7 @@ static void msm_gpio_irq_unmask(struct irq_data *d)
spin_lock_irqsave(&tlmm_lock, irq_flags);
__set_bit(gpio, msm_gpio.enabled_irqs);
set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
set_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio));
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}

3
drivers/gpio/gpio-rcar.c
View File

@ -169,7 +169,8 @@ static irqreturn_t gpio_rcar_irq_handler(int irq, void *dev_id)
u32 pending;
unsigned int offset, irqs_handled = 0;
while ((pending = gpio_rcar_read(p, INTDT))) {
while ((pending = gpio_rcar_read(p, INTDT) &
gpio_rcar_read(p, INTMSK))) {
offset = __ffs(pending);
gpio_rcar_write(p, INTCLR, BIT(offset));
generic_handle_irq(irq_find_mapping(p->irq_domain, offset));

15
drivers/gpio/gpio-twl4030.c
View File

@ -300,7 +300,7 @@ static int twl_direction_in(struct gpio_chip *chip, unsigned offset)
if (offset < TWL4030_GPIO_MAX)
ret = twl4030_set_gpio_direction(offset, 1);
else
ret = -EINVAL;
ret = -EINVAL; /* LED outputs can't be set as input */
if (!ret)
priv->direction &= ~BIT(offset);
@ -354,11 +354,20 @@ static void twl_set(struct gpio_chip *chip, unsigned offset, int value)
static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
int ret = -EINVAL;
int ret = 0;
mutex_lock(&priv->mutex);
if (offset < TWL4030_GPIO_MAX)
if (offset < TWL4030_GPIO_MAX) {
ret = twl4030_set_gpio_direction(offset, 0);
if (ret) {
mutex_unlock(&priv->mutex);
return ret;
}
}
/*
* LED gpios i.e. offset >= TWL4030_GPIO_MAX are always output
*/
priv->direction |= BIT(offset);
mutex_unlock(&priv->mutex);

2
drivers/pinctrl/sh-pfc/sh_pfc.h
View File

@ -254,7 +254,7 @@ struct sh_pfc_soc_info {
#define PINMUX_GPIO(_pin) \
[GPIO_##_pin] = { \
.pin = (u16)-1, \
.name = __stringify(name), \
.name = __stringify(GPIO_##_pin), \
.enum_id = _pin##_DATA, \
}