diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 15:32:20 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-05-24 15:32:20 +0900 |
| commit | 9fb4c7fbbcb1e947567d13b82e429ae47a46e337 (patch) | |
| tree | 6c5f11f347d0f58565381f92680a7a9cc63c0bd8 /arch/arm/plat-mxc/gpio.c | |
| parent | dc3e5b6a6e842116ec2436161adf31877f09b6b9 (diff) | |
| parent | d762f4383100c2a87b1a3f2d678cd3b5425655b4 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/arm/plat-mxc/gpio.c')
| -rw-r--r-- | arch/arm/plat-mxc/gpio.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c index 7a107246fd9..6cd6d7f686f 100644 --- a/arch/arm/plat-mxc/gpio.c +++ b/arch/arm/plat-mxc/gpio.c @@ -295,6 +295,12 @@ static int mxc_gpio_direction_output(struct gpio_chip *chip, return 0; } +/* + * This lock class tells lockdep that GPIO irqs are in a different + * category than their parents, so it won't report false recursion. + */ +static struct lock_class_key gpio_lock_class; + int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt) { int i, j; @@ -311,6 +317,7 @@ int __init mxc_gpio_init(struct mxc_gpio_port *port, int cnt) __raw_writel(~0, port[i].base + GPIO_ISR); for (j = port[i].virtual_irq_start; j < port[i].virtual_irq_start + 32; j++) { + irq_set_lockdep_class(j, &gpio_lock_class); irq_set_chip_and_handler(j, &gpio_irq_chip, handle_level_irq); set_irq_flags(j, IRQF_VALID); |