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| author | Ingo Molnar <mingo@elte.hu> | 2011-05-12 09:36:18 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-12 09:36:18 +0200 |
| commit | 9cb5baba5e3acba0994ad899ee908799104c9965 (patch) | |
| tree | d5ff16000256a0bf56279926e6114b4603ede2b4 /arch/arm/plat-mxc/gpio.c | |
| parent | 7142d17e8f935fa842e9f6eece2281b6d41625d6 (diff) | |
| parent | 693d92a1bbc9e42681c42ed190bd42b636ca876f (diff) | |
| download | kernel_samsung_smdk4412-9cb5baba5e3acba0994ad899ee908799104c9965.zip kernel_samsung_smdk4412-9cb5baba5e3acba0994ad899ee908799104c9965.tar.gz kernel_samsung_smdk4412-9cb5baba5e3acba0994ad899ee908799104c9965.tar.bz2 | |
Merge commit 'v2.6.39-rc7' into sched/core
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 7a10724..6cd6d7f 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); |