From: adam radford Date: Sun, 9 Oct 2011 01:14:50 +0000 (-0700) Subject: [SCSI] megaraid_sas: Clear state change interrupts X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=6497b2475df330437d462c770ee9af0a271d88f9;p=linux-beck.git [SCSI] megaraid_sas: Clear state change interrupts Signed-off-by: Adam Radford Signed-off-by: James Bottomley --- 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, ®s->outbound_intr_status); + readl(®s->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;