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-rw-r--r--arch/ppc/syslib/ppc4xx_pic.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/ppc/syslib/ppc4xx_pic.c b/arch/ppc/syslib/ppc4xx_pic.c
index 08f06dd17e7..05686fa7354 100644
--- a/arch/ppc/syslib/ppc4xx_pic.c
+++ b/arch/ppc/syslib/ppc4xx_pic.c
@@ -41,7 +41,10 @@ extern unsigned char ppc4xx_uic_ext_irq_cfg[] __attribute__ ((weak));
#define UIC_HANDLERS(n) \
static void ppc4xx_uic##n##_enable(unsigned int irq) \
{ \
- ppc_cached_irq_mask[n] |= IRQ_MASK_UIC##n(irq); \
+ u32 mask = IRQ_MASK_UIC##n(irq); \
+ if (irq_desc[irq].status & IRQ_LEVEL) \
+ mtdcr(DCRN_UIC_SR(UIC##n), mask); \
+ ppc_cached_irq_mask[n] |= mask; \
mtdcr(DCRN_UIC_ER(UIC##n), ppc_cached_irq_mask[n]); \
} \
\