diff options
| author | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2014-06-04 14:00:37 +0400 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-06-05 00:50:42 +0400 |
| commit | 1d421ca9d7edbac1eb118631ee039d50ab54771e (patch) | |
| tree | 5268e99e5fbf4c7c9513b45f9bfd6265df1a1aab /arch/mips/sgi-ip22/ip22-int.c | |
| parent | a53825ef4e9b2f42a21ad2b903f4d0ce691a5d63 (diff) | |
| download | linux-1d421ca9d7edbac1eb118631ee039d50ab54771e.tar.xz | |
MIPS: IP22/IP28: Improve GIO support
- added interrupt support for GIO devices
- improved detection of GIO cards on Indigo2
- added more known GIO cards
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7055/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sgi-ip22/ip22-int.c')
| -rw-r--r-- | arch/mips/sgi-ip22/ip22-int.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c index 58b40ae59335..c66889fc4913 100644 --- a/arch/mips/sgi-ip22/ip22-int.c +++ b/arch/mips/sgi-ip22/ip22-int.c @@ -119,9 +119,14 @@ static void indy_local0_irqdispatch(void) } else irq = lc0msk_to_irqnr[mask]; - /* if irq == 0, then the interrupt has already been cleared */ + /* + * workaround for INT2 bug; if irq == 0, INT2 has seen a fifo full + * irq, but failed to latch it into status register + */ if (irq) do_IRQ(irq); + else + do_IRQ(SGINT_LOCAL0 + 0); } static void indy_local1_irqdispatch(void) |