diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/gpio/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 4 | ||||
| -rw-r--r-- | drivers/gpio/gpio-tc3589x.c | 2 | ||||
| -rw-r--r-- | drivers/gpio/gpiolib.c | 7 |
5 files changed, 9 insertions, 10 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d011cb89d25e..ed37e5908b91 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -22,10 +22,6 @@ menuconfig GPIOLIB if GPIOLIB -config GPIO_DEVRES - def_bool y - depends on HAS_IOMEM - config OF_GPIO def_bool y depends on OF diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index ab28a2daeacc..d074c2299393 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -2,7 +2,7 @@ ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG -obj-$(CONFIG_GPIO_DEVRES) += devres.o +obj-$(CONFIG_GPIOLIB) += devres.o obj-$(CONFIG_GPIOLIB) += gpiolib.o obj-$(CONFIG_GPIOLIB) += gpiolib-legacy.o obj-$(CONFIG_OF_GPIO) += gpiolib-of.o diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index e422568e14ad..fe731f094257 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -372,14 +372,15 @@ static void pca953x_gpio_set_multiple(struct gpio_chip *gc, bank_shift = fls((chip->gpio_chip.ngpio - 1) / BANK_SZ); - memcpy(reg_val, chip->reg_output, NBANK(chip)); mutex_lock(&chip->i2c_lock); + memcpy(reg_val, chip->reg_output, NBANK(chip)); for (bank = 0; bank < NBANK(chip); bank++) { bank_mask = mask[bank / sizeof(*mask)] >> ((bank % sizeof(*mask)) * 8); if (bank_mask) { bank_val = bits[bank / sizeof(*bits)] >> ((bank % sizeof(*bits)) * 8); + bank_val &= bank_mask; reg_val[bank] = (reg_val[bank] & ~bank_mask) | bank_val; } } @@ -607,7 +608,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, if (client->irq && irq_base != -1 && (chip->driver_data & PCA_INT)) { - ret = pca953x_read_regs(chip, chip->regs->input, chip->irq_stat); if (ret) diff --git a/drivers/gpio/gpio-tc3589x.c b/drivers/gpio/gpio-tc3589x.c index 5a5a6cb00eea..d6e21f1a70a9 100644 --- a/drivers/gpio/gpio-tc3589x.c +++ b/drivers/gpio/gpio-tc3589x.c @@ -97,7 +97,7 @@ static int tc3589x_gpio_get_direction(struct gpio_chip *chip, if (ret < 0) return ret; - return !!(ret & BIT(pos)); + return !(ret & BIT(pos)); } static int tc3589x_gpio_set_single_ended(struct gpio_chip *chip, diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 93ed0e00c578..868128a676ba 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2737,8 +2737,11 @@ int gpiochip_lock_as_irq(struct gpio_chip *chip, unsigned int offset) if (IS_ERR(desc)) return PTR_ERR(desc); - /* Flush direction if something changed behind our back */ - if (chip->get_direction) { + /* + * If it's fast: flush the direction setting if something changed + * behind our back + */ + if (!chip->can_sleep && chip->get_direction) { int dir = chip->get_direction(chip, offset); if (dir) |