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authorSuresh Siddha <suresh.b.siddha@intel.com>2009-08-04 12:07:09 -0700
committerThomas Gleixner <tglx@linutronix.de>2009-08-27 23:33:20 +0200
commitc8bc6f3c806f1fcbfdbf0b1ff6c52dba59192d3b (patch)
tree072f772308c44eb0223fbfb45c8a055918c70502 /arch/x86/kernel/hpet.c
parent20f3097bfe5fb5ced0b14f9ea2620c4039bf1dde (diff)
downloadlinux-c8bc6f3c806f1fcbfdbf0b1ff6c52dba59192d3b.tar.bz2
x86: arch specific support for remapping HPET MSIs
x86 arch support for remapping HPET MSI's by associating the HPET timer block with the interrupt-remapping HW unit and setting up appropriate irq_chip Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Jay Fenlason <fenlason@redhat.com> LKML-Reference: <20090804190729.630510000@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/hpet.c')
-rw-r--r--arch/x86/kernel/hpet.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index ba575f0f2e34..7f024ff47d1d 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -33,6 +33,7 @@
* HPET address is set in acpi/boot.c, when an ACPI entry exists
*/
unsigned long hpet_address;
+u8 hpet_blockid; /* OS timer block num */
#ifdef CONFIG_PCI_MSI
static unsigned long hpet_num_timers;
#endif
@@ -467,7 +468,7 @@ static int hpet_msi_next_event(unsigned long delta,
static int hpet_setup_msi_irq(unsigned int irq)
{
- if (arch_setup_hpet_msi(irq)) {
+ if (arch_setup_hpet_msi(irq, hpet_blockid)) {
destroy_irq(irq);
return -EINVAL;
}