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authoradam radford <aradford@gmail.com>2011-10-08 18:14:50 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-10-16 11:20:05 -0500
commit6497b2475df330437d462c770ee9af0a271d88f9 (patch)
tree449eb9b82940c9d39dc245732a3488c0446f2873 /drivers/scsi/megaraid
parent8d960d4311dc8d5f623d64694744b1ac36332e3f (diff)
downloadlinux-6497b2475df330437d462c770ee9af0a271d88f9.tar.bz2
[SCSI] megaraid_sas: Clear state change interrupts
Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 52f6a158477a..ec2e097f7737 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -101,6 +101,10 @@ extern u32 megasas_dbg_lvl;
void
megasas_enable_intr_fusion(struct megasas_register_set __iomem *regs)
{
+ /* For Thunderbolt/Invader also clear intr on enable */
+ writel(~0, &regs->outbound_intr_status);
+ readl(&regs->outbound_intr_status);
+
writel(~MFI_FUSION_ENABLE_INTERRUPT_MASK, &(regs)->outbound_intr_mask);
/* Dummy readl to force pci flush */
@@ -1806,10 +1810,13 @@ irqreturn_t megasas_isr_fusion(int irq, void *devp)
}
/* If we are resetting, bail */
- if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags))
+ if (test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags)) {
+ instance->instancet->clear_intr(instance->reg_set);
return IRQ_HANDLED;
+ }
if (!complete_cmd_fusion(instance)) {
+ instance->instancet->clear_intr(instance->reg_set);
/* If we didn't complete any commands, check for FW fault */
fw_state = instance->instancet->read_fw_status_reg(
instance->reg_set) & MFI_STATE_MASK;