diff options
Diffstat (limited to 'arch/powerpc/sysdev/mpic_msi.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic_msi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c index 1d44eee80fa1..0f67cd79d481 100644 --- a/arch/powerpc/sysdev/mpic_msi.c +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -39,7 +39,12 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) pr_debug("mpic: found U3, guessing msi allocator setup\n"); - /* Reserve source numbers we know are reserved in the HW */ + /* Reserve source numbers we know are reserved in the HW. + * + * This is a bit of a mix of U3 and U4 reserves but that's going + * to work fine, we have plenty enugh numbers left so let's just + * mark anything we don't like reserved. + */ for (i = 0; i < 8; i++) msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); @@ -49,6 +54,10 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) for (i = 100; i < 105; i++) msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); + for (i = 124; i < mpic->irq_count; i++) + msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, i); + + np = NULL; while ((np = of_find_all_nodes(np))) { pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); |