diff options
Diffstat (limited to 'arch/mips/mips-boards/malta/malta_int.c')
| -rw-r--r-- | arch/mips/mips-boards/malta/malta_int.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c index c78d48349600..b73f21823c5e 100644 --- a/arch/mips/mips-boards/malta/malta_int.c +++ b/arch/mips/mips-boards/malta/malta_int.c @@ -256,7 +256,7 @@ asmlinkage void plat_irq_dispatch(void) if (irq == MIPSCPU_INT_I8259A) malta_hw0_irqdispatch(); - else if (irq > 0) + else if (irq >= 0) do_IRQ(MIPS_CPU_IRQ_BASE + irq); else spurious_interrupt(); @@ -330,6 +330,18 @@ void __init arch_init_irq(void) (0x100 << MIPSCPU_INT_I8259A)); setup_irq_smtc (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction, (0x100 << MIPSCPU_INT_COREHI)); + /* + * Temporary hack to ensure that the subsidiary device + * interrupts coing in via the i8259A, but associated + * with low IRQ numbers, will restore the Status.IM + * value associated with the i8259A. + */ + { + int i; + + for (i = 0; i < 16; i++) + irq_hwmask[i] = (0x100 << MIPSCPU_INT_I8259A); + } #else /* Not SMTC */ setup_irq (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_I8259A, &i8259irq); setup_irq (MIPS_CPU_IRQ_BASE+MIPSCPU_INT_COREHI, &corehi_irqaction); |