diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-06 18:13:54 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-08-06 18:13:54 +0100 |
| commit | 11e4afb49b7fa1fc8e1ffd850c1806dd86a08204 (patch) | |
| tree | 9e57efcb106ae912f7bec718feb3f8ec607559bb /drivers/gpio/timbgpio.c | |
| parent | 162500b3a3ff39d941d29db49b41a16667ae44f0 (diff) | |
| parent | 9b2a606d3898fcb2eedb6faded3bb37549590ac4 (diff) | |
| download | talos-op-linux-11e4afb49b7fa1fc8e1ffd850c1806dd86a08204.tar.gz talos-op-linux-11e4afb49b7fa1fc8e1ffd850c1806dd86a08204.zip | |
Merge branches 'gemini' and 'misc' into devel
Diffstat (limited to 'drivers/gpio/timbgpio.c')
| -rw-r--r-- | drivers/gpio/timbgpio.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/timbgpio.c index d4295fa5369e..ddd053108a13 100644 --- a/drivers/gpio/timbgpio.c +++ b/drivers/gpio/timbgpio.c @@ -27,6 +27,7 @@ #include <linux/io.h> #include <linux/timb_gpio.h> #include <linux/interrupt.h> +#include <linux/slab.h> #define DRIVER_NAME "timb-gpio" @@ -130,6 +131,7 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) unsigned long flags; u32 lvr, flr, bflr = 0; u32 ver; + int ret = 0; if (offset < 0 || offset > tgpio->gpio.ngpio) return -EINVAL; @@ -153,8 +155,10 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) } if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) { - if (ver < 3) - return -EINVAL; + if (ver < 3) { + ret = -EINVAL; + goto out; + } else { flr |= 1 << offset; bflr |= 1 << offset; @@ -174,9 +178,10 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger) iowrite32(bflr, tgpio->membase + TGPIO_BFLR); iowrite32(1 << offset, tgpio->membase + TGPIO_ICR); - spin_unlock_irqrestore(&tgpio->lock, flags); - return 0; +out: + spin_unlock_irqrestore(&tgpio->lock, flags); + return ret; } static void timbgpio_irq(unsigned int irq, struct irq_desc *desc) |
