Commit f4b5cc87 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik

[PATCH] ahci: remove IRQ mask clearing from init_controller()

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: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 80289167
......@@ -662,14 +662,13 @@ static void ahci_init_controller(void __iomem *mmio, struct pci_dev *pdev,
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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment