diff options
author | Eric Paris <eparis@redhat.com> | 2014-03-07 20:41:32 +0400 |
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committer | Eric Paris <eparis@redhat.com> | 2014-03-07 20:41:32 +0400 |
commit | b7d3622a39fde7658170b7f3cf6c6889bb8db30d (patch) | |
tree | 64f4e781ecb2a85d675e234072b988560bcd25f1 /drivers/gpio/gpio-omap.c | |
parent | f3411cb2b2e396a41ed3a439863f028db7140a34 (diff) | |
parent | d8ec26d7f8287f5788a494f56e8814210f0e64be (diff) | |
download | linux-b7d3622a39fde7658170b7f3cf6c6889bb8db30d.tar.xz |
Merge tag 'v3.13' into for-3.15
Linux 3.13
Conflicts:
include/net/xfrm.h
Simple merge where v3.13 removed 'extern' from definitions and the audit
tree did s/u32/unsigned int/ to the same definitions.
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r-- | drivers/gpio/gpio-omap.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 89675f862308..f319c9ffd4a8 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -514,6 +514,14 @@ static int gpio_irq_type(struct irq_data *d, unsigned type) return -EINVAL; } + retval = gpio_lock_as_irq(&bank->chip, offset); + if (retval) { + dev_err(bank->dev, "unable to lock offset %d for IRQ\n", + offset); + spin_unlock_irqrestore(&bank->lock, flags); + return retval; + } + bank->irq_usage |= 1 << GPIO_INDEX(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); @@ -797,6 +805,7 @@ static void gpio_irq_shutdown(struct irq_data *d) unsigned offset = GPIO_INDEX(bank, gpio); spin_lock_irqsave(&bank->lock, flags); + gpio_unlock_as_irq(&bank->chip, offset); bank->irq_usage &= ~(1 << offset); _disable_gpio_module(bank, offset); _reset_gpio(bank, gpio); @@ -957,22 +966,13 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; unsigned long flags; - int retval = 0; bank = container_of(chip, struct gpio_bank, chip); spin_lock_irqsave(&bank->lock, flags); - - if (LINE_USED(bank->irq_usage, offset)) { - retval = -EINVAL; - goto exit; - } - bank->set_dataout(bank, offset, value); _set_gpio_direction(bank, offset, 0); - -exit: spin_unlock_irqrestore(&bank->lock, flags); - return retval; + return 0; } static int gpio_debounce(struct gpio_chip *chip, unsigned offset, |