[PATCH 1/4] ARM i.MX avic: add handle_irq function
From: s.hauer@pengutronix.de (Sascha Hauer)
Date: 2011-09-26 09:46:06
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- arch/arm/plat-mxc/avic.c | 13 +++++++++++++ arch/arm/plat-mxc/include/mach/common.h | 10 ++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-mxc/avic.c b/arch/arm/plat-mxc/avic.c
index 55d2534..4d68c5a 100644
--- a/arch/arm/plat-mxc/avic.c
+++ b/arch/arm/plat-mxc/avic.c@@ -116,6 +116,19 @@ static struct mxc_irq_chip mxc_avic_chip = { #endif }; +asmlinkage void __exception_irq_entry avic_handle_irq(struct pt_regs *regs) +{ + u32 nivector; + + do { + nivector = __raw_readl(avic_base + AVIC_NIVECSR) >> 16; + if (nivector == 0xffff) + break; + + handle_IRQ(nivector, regs); + } while (1); +} + /* * This function initializes the AVIC hardware and disables all the * interrupts. It registers the interrupt enable and disable functions
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 4e3d978..6a6182d 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h@@ -72,4 +72,14 @@ extern void mxc_arch_reset_init(void __iomem *); extern void mx51_efikamx_reset(void); extern int mx53_revision(void); extern int mx53_display_revision(void); + +void avic_handle_irq(struct pt_regs *); + +#define imx1_handle_irq avic_handle_irq +#define imx21_handle_irq avic_handle_irq +#define imx25_handle_irq avic_handle_irq +#define imx27_handle_irq avic_handle_irq +#define imx31_handle_irq avic_handle_irq +#define imx35_handle_irq avic_handle_irq + #endif
--
1.7.6.3