diff options
| author | Tejun Heo <htejun@gmail.com> | 2006-08-07 04:39:04 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-08-09 06:13:28 +0200 |
| commit | f4b5cc874158a139c091b3decd468929e10645e6 (patch) | |
| tree | 0ab440ace3cd35ff202e9ee9e3f00e79b91c86c6 | |
| parent | [PATCH] libata: Add support for SATA attachment to SAS adapters (diff) | |
| download | linux-f4b5cc874158a139c091b3decd468929e10645e6.tar.xz linux-f4b5cc874158a139c091b3decd468929e10645e6.zip | |
[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: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/scsi/ahci.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c index f5734a97580a..68fd7667a082 100644 --- a/drivers/scsi/ahci.c +++ b/drivers/scsi/ahci.c @@ -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); |