summaryrefslogtreecommitdiff
path: root/arch/mips/mti-malta/malta-int.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-10-01 14:52:40 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-01 14:52:40 -0300
commitaaf675f53a7176475f69595827248c8b2556ea8c (patch)
tree0cb744dec714328c9f89bf85553fb7195107e5d4 /arch/mips/mti-malta/malta-int.c
parent347c4e95845fad1853c0e3da6603a44c5d6122b3 (diff)
parenta0d271cbfed1dd50278c6b06bead3d00ba0a88f9 (diff)
Merge tag 'v3.6' into staging/for_v3.7
Linux 3.6 * tag 'v3.6': (562 commits) Linux 3.6 vfs: dcache: fix deadlock in tree traversal mtdchar: fix offset overflow detection thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy iommu/amd: Fix wrong assumption in iommu-group specific code netdev: octeon: fix return value check in octeon_mgmt_init_phy() ALSA: snd-usb: fix next_packet_size calls for pause case inetpeer: fix token initialization qlcnic: Fix scheduling while atomic bug bnx2: Clean up remaining iounmap trivial select_parent documentation fix net: phy: smsc: Implement PHY config_init for LAN87xx smsc75xx: fix resume after device reset um: Preinclude include/linux/kern_levels.h um: Fix IPC on um netdev: pasemi: fix return value check in pasemi_mac_phy_init() team: fix return value check l2tp: fix return value check USB: Fix race condition when removing host controllers USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq ...
Diffstat (limited to 'arch/mips/mti-malta/malta-int.c')
-rw-r--r--arch/mips/mti-malta/malta-int.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 7b13a4caeea4..fea823f18479 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -273,16 +273,19 @@ asmlinkage void plat_irq_dispatch(void)
unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
int irq;
+ if (unlikely(!pending)) {
+ spurious_interrupt();
+ return;
+ }
+
irq = irq_ffs(pending);
if (irq == MIPSCPU_INT_I8259A)
malta_hw0_irqdispatch();
else if (gic_present && ((1 << irq) & ipi_map[smp_processor_id()]))
malta_ipi_irqdispatch();
- else if (irq >= 0)
- do_IRQ(MIPS_CPU_IRQ_BASE + irq);
else
- spurious_interrupt();
+ do_IRQ(MIPS_CPU_IRQ_BASE + irq);
}
#ifdef CONFIG_MIPS_MT_SMP