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| author | Ralf Baechle <ralf@linux-mips.org> | 2017-04-13 00:48:47 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2017-04-13 00:48:47 +0200 |
| commit | e469b23cdec0fc8c49102882920e3951530e1740 (patch) | |
| tree | 7ef4e37f4c576c984157e897e7a461cea13f5983 /arch/mips/mti-malta | |
| parent | MIPS: Remove confusing else statement in __do_page_fault() (diff) | |
| parent | MIPS: KGDB: Use kernel context for sleeping threads (diff) | |
| download | linux-e469b23cdec0fc8c49102882920e3951530e1740.tar.xz linux-e469b23cdec0fc8c49102882920e3951530e1740.zip | |
Merge branch '4.11-fixes' into mips-for-linux-next
Diffstat (limited to 'arch/mips/mti-malta')
| -rw-r--r-- | arch/mips/mti-malta/malta-int.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c index fe9bb479f2a0..b0f9b188e833 100644 --- a/arch/mips/mti-malta/malta-int.c +++ b/arch/mips/mti-malta/malta-int.c @@ -176,6 +176,17 @@ void __init arch_init_irq(void) { int corehi_irq; + /* + * Preallocate the i8259's expected virq's here. Since irqchip_init() + * will probe the irqchips in hierarchial order, i8259 is probed last. + * If anything allocates a virq before the i8259 is probed, it will + * be given one of the i8259's expected range and consequently setup + * of the i8259 will fail. + */ + WARN(irq_alloc_descs(I8259A_IRQ_BASE, I8259A_IRQ_BASE, + 16, numa_node_id()) < 0, + "Cannot reserve i8259 virqs at IRQ%d\n", I8259A_IRQ_BASE); + i8259_set_poll(mips_pcibios_iack); irqchip_init(); |