From: Sumit.Saxena@avagotech.com Date: Mon, 5 Jan 2015 14:36:13 +0000 (+0530) Subject: megaraid_sas: disable interrupt_mask before enabling hardware interrupts X-Git-Tag: v4.14-rc1~5862^2~87 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c2ced1719a1b903350955a511e1666e6d05a7f5b;p=platform%2Fkernel%2Flinux-rpi.git 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: Signed-off-by: Sumit Saxena Signed-off-by: Chaitra Basappa Reviewed-by: Martin K. Petersen Signed-off-by: Christoph Hellwig --- diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 7b23d34..075c99e 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -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, ®s->outbound_intr_status); readl(®s->outbound_intr_status); @@ -110,7 +112,6 @@ megasas_enable_intr_fusion(struct megasas_instance *instance) /* Dummy readl to force pci flush */ readl(®s->outbound_intr_mask); - instance->mask_interrupts = 0; } /**