diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 17:12:16 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-21 17:12:16 +0900 |
| commit | 4db25d496c09fdf094d52d11a90ae51f9ee473c6 (patch) | |
| tree | 77ab8003db1d6ccbcf3a9acafad26002fba37b63 /arch/arm/plat-mxc/irq.c | |
| parent | b8c193f88ebd8705b3e916532539031cd9fc0b4c (diff) | |
| parent | 8c31813f31cd4403b46802866949a95a6e8fa584 (diff) | |
Merge branch 'sh/stable-updates' into sh/for-2.6.30
Diffstat (limited to 'arch/arm/plat-mxc/irq.c')
| -rw-r--r-- | arch/arm/plat-mxc/irq.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm/plat-mxc/irq.c b/arch/arm/plat-mxc/irq.c index 6e7578a3514..0fb68a531f5 100644 --- a/arch/arm/plat-mxc/irq.c +++ b/arch/arm/plat-mxc/irq.c @@ -50,23 +50,27 @@ #define IIM_PROD_REV_SH 3 #define IIM_PROD_REV_LEN 5 -#ifdef CONFIG_MXC_IRQ_PRIOR -void imx_irq_set_priority(unsigned char irq, unsigned char prio) +int imx_irq_set_priority(unsigned char irq, unsigned char prio) { +#ifdef CONFIG_MXC_IRQ_PRIOR unsigned int temp; unsigned int mask = 0x0F << irq % 8 * 4; - if (irq > 63) - return; + if (irq >= MXC_INTERNAL_IRQS) + return -EINVAL;; temp = __raw_readl(AVIC_NIPRIORITY(irq / 8)); temp &= ~mask; temp |= prio & mask; __raw_writel(temp, AVIC_NIPRIORITY(irq / 8)); + + return 0; +#else + return -ENOSYS; +#endif } EXPORT_SYMBOL(imx_irq_set_priority); -#endif #ifdef CONFIG_FIQ int mxc_set_irq_fiq(unsigned int irq, unsigned int type) |