Commit c2ced171 authored by Sumit.Saxena@avagotech.com's avatar Sumit.Saxena@avagotech.com Committed by Christoph Hellwig

megaraid_sas: disable interrupt_mask before enabling hardware interrupts

Update driver "mask_interrupts" before enable/disable hardware interrupt
in order to avoid missing interrupts because of "mask_interrupts" still
set to 1 and hardware interrupts are enabled.

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarSumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: default avatarChaitra Basappa <chaitra.basappa@avagotech.com>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent ab2f0608
......@@ -102,6 +102,8 @@ megasas_enable_intr_fusion(struct megasas_instance *instance)
{
struct megasas_register_set __iomem *regs;
regs = instance->reg_set;
instance->mask_interrupts = 0;
/* For Thunderbolt/Invader also clear intr on enable */
writel(~0, &regs->outbound_intr_status);
readl(&regs->outbound_intr_status);
......@@ -110,7 +112,6 @@ megasas_enable_intr_fusion(struct megasas_instance *instance)
/* Dummy readl to force pci flush */
readl(&regs->outbound_intr_mask);
instance->mask_interrupts = 0;
}
/**
......
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