diff options
| author |   Shaohua Li <shaohua.li@intel.com> | 2007-11-17 01:05:28 -0500 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2007-11-20 01:16:29 -0500 |
| commit | 61fd47e0c84764f49b4e52bfd8170fac52636f00 (patch) | |
| tree | c94c7b8c43dee4bb123900f49ef781607ee0d6fb /include/linux/acpi.h | |
| parent | Revert "Fix very high interrupt rate for IRQ8 (rtc) unless pnpacpi=off" (diff) | |
| download | linux-dev-61fd47e0c84764f49b4e52bfd8170fac52636f00.tar.xz linux-dev-61fd47e0c84764f49b4e52bfd8170fac52636f00.zip | |
ACPI: fix two IRQ8 issues in IOAPIC mode
Use mp_irqs[] to get PNP device's interrupt polarity and trigger.
There are two reasons to do this:
1. BIOS bug for PNP interrupt
2. BIOS explictly does override
mp_irqs[] should cover all the cases.
http://bugzilla.kernel.org/show_bug.cgi?id=5243
http://bugzilla.kernel.org/show_bug.cgi?id=7679
http://bugzilla.kernel.org/show_bug.cgi?id=9153
[lenb: fixed !IOAPIC and 64-bit !SMP builds]
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 8ccedf7a0a5a..e3c16c981e46 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -132,6 +132,11 @@ extern unsigned long acpi_realmode_flags; int acpi_register_gsi (u32 gsi, int triggering, int polarity); int acpi_gsi_to_irq (u32 gsi, unsigned int *irq); +#ifdef CONFIG_X86_IO_APIC +extern int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity); +#else +#define acpi_get_override_irq(bus, trigger, polarity) (-1) +#endif /* * This function undoes the effect of one call to acpi_register_gsi(). * If this matches the last registration, any IRQ resources for gsi |