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| author | Graf Yang <graf.yang@analog.com> | 2009-01-07 23:14:38 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2009-01-07 23:14:38 +0800 |
| commit | 9570ff4af6920c5992eb91141d71fc94127d864b (patch) | |
| tree | 8ab0887035ab00a655eb8f78b39ed0acbb0b3bed /arch/blackfin/mach-common | |
| parent | 94106e0fb6b863348a566617ca6bf431c37ddc5e (diff) | |
| download | kernel_samsung_crespo-9570ff4af6920c5992eb91141d71fc94127d864b.zip kernel_samsung_crespo-9570ff4af6920c5992eb91141d71fc94127d864b.tar.gz kernel_samsung_crespo-9570ff4af6920c5992eb91141d71fc94127d864b.tar.bz2 | |
Blackfin arch: Allow a gpio pin be requested both as gpio and irq.
[Mike Frysinger <vapier.adi@gmail.com>:
- use KERN_NOTICE when using gpios as both irq and non
rather than KERN_ERR
- embedded newlines in printk() does not fly]
Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index a0bfca9..7c1db77 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -432,7 +432,7 @@ static void bfin_gpio_irq_shutdown(unsigned int irq) bfin_gpio_mask_irq(irq); __clear_bit(gpionr, gpio_enabled); - bfin_gpio_free(gpionr); + bfin_gpio_irq_free(gpionr); } static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) @@ -441,11 +441,6 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) char buf[16]; u32 gpionr = irq_to_gpio(irq); - snprintf(buf, 16, "gpio-irq%d", irq); - ret = bfin_gpio_request(gpionr, buf); - if (ret) - return ret; - if (type == IRQ_TYPE_PROBE) { /* only probe unenabled GPIO interrupt lines */ if (__test_bit(gpionr, gpio_enabled)) @@ -456,6 +451,11 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) { + snprintf(buf, 16, "gpio-irq%d", irq); + ret = bfin_gpio_irq_request(gpionr, buf); + if (ret) + return ret; + if (__test_and_set_bit(gpionr, gpio_enabled)) bfin_gpio_irq_prepare(gpionr); @@ -740,7 +740,7 @@ static void bfin_gpio_irq_shutdown(unsigned int irq) bfin_gpio_mask_irq(irq); __clear_bit(gpionr, gpio_enabled); - bfin_gpio_free(gpionr); + bfin_gpio_irq_free(gpionr); } static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) @@ -755,11 +755,6 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) if (pint_val == IRQ_NOT_AVAIL) return -ENODEV; - snprintf(buf, 16, "gpio-irq%d", irq); - ret = bfin_gpio_request(gpionr, buf); - if (ret) - return ret; - if (type == IRQ_TYPE_PROBE) { /* only probe unenabled GPIO interrupt lines */ if (__test_bit(gpionr, gpio_enabled)) @@ -769,6 +764,12 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) { + + snprintf(buf, 16, "gpio-irq%d", irq); + ret = bfin_gpio_irq_request(gpionr, buf); + if (ret) + return ret; + if (__test_and_set_bit(gpionr, gpio_enabled)) bfin_gpio_irq_prepare(gpionr); |