Initial IRQ mask clearing is done by libata-core by freezing all ports prior to requesting IRQ. Remove redundant IRQ clearing from init_controller(). Signed-off-by: Tejun Heo <htejun@xxxxxxxxx> --- drivers/scsi/ahci.c | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) 049892ed973dc00569e26130826fef0000fc7577 diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index f5734a9..68fd766 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -662,14 +662,13 @@ #endif VPRINTK("PORT_SCR_ERR 0x%x\n", tmp); writel(tmp, port_mmio + PORT_SCR_ERR); - /* clear & turn off port IRQ */ + /* clear port IRQ */ tmp = readl(port_mmio + PORT_IRQ_STAT); VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp); if (tmp) writel(tmp, port_mmio + PORT_IRQ_STAT); writel(1 << i, mmio + HOST_IRQ_STAT); - writel(0, port_mmio + PORT_IRQ_MASK); } tmp = readl(mmio + HOST_CTL); -- 1.3.2 - : send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html