[PATCH] sil24: remove CMDERR clearing

02_sil24_remove-cmderr-clearing.patch

	CMDERR register doesn't need clearing.  This is from Edward's
	driver.

Signed-off-by: Tejun Heo <htejun@gmail.com>
 sata_sil24.c |    4 ----
 1 file changed, 4 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index 571302d..032d9c0 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -502,10 +502,6 @@ static void sil24_error_intr(struct ata_port *ap, u32 slot_stat)
        cmd_err = readl(port + PORT_CMD_ERR);
        sstatus = readl(port + PORT_SSTATUS);
        serror = readl(port + PORT_SERROR);
-
-       /* Clear IRQ/errors */
-       if (cmd_err)
-               writel(cmd_err, port + PORT_CMD_ERR);
        if (serror)
                writel(serror, port + PORT_SERROR);