diff options
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 9 | ||||
| -rw-r--r-- | include/asm-powerpc/mpic.h | 2 |
2 files changed, 8 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 8619f2a3f1f6..466e2183e86c 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1144,9 +1144,12 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->num_cpus = ((greg_feature & MPIC_GREG_FEATURE_LAST_CPU_MASK) >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1; if (isu_size == 0) - mpic->num_sources = - ((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK) - >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1; + if (flags & MPIC_BROKEN_FRR_NIRQS) + mpic->num_sources = mpic->irq_count; + else + mpic->num_sources = + ((greg_feature & MPIC_GREG_FEATURE_LAST_SRC_MASK) + >> MPIC_GREG_FEATURE_LAST_SRC_SHIFT) + 1; /* Map the per-CPU registers */ for (i = 0; i < mpic->num_cpus; i++) { diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h index 943c5a3fac8a..6802570f4240 100644 --- a/include/asm-powerpc/mpic.h +++ b/include/asm-powerpc/mpic.h @@ -353,6 +353,8 @@ struct mpic #define MPIC_ENABLE_MCK 0x00000200 /* Disable bias among target selection, spread interrupts evenly */ #define MPIC_NO_BIAS 0x00000400 +/* Ignore NIRQS as reported by FRR */ +#define MPIC_BROKEN_FRR_NIRQS 0x00000800 /* MPIC HW modification ID */ #define MPIC_REGSET_MASK 0xf0000000 |