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| author | Tejun Heo <htejun@gmail.com> | 2006-04-11 22:32:19 +0900 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-04-11 13:31:36 -0400 |
| commit | 2555d6c268240fb3f5f335bd62d0518025343c0f (patch) | |
| tree | a4cd391fb73cf9c37fa4976d7d999ddea546d383 /drivers/scsi/sata_sil24.c | |
| parent | b5bc421c96ca56a9abaad4619da01fe0071904a2 (diff) | |
| download | lwn-2555d6c268240fb3f5f335bd62d0518025343c0f.tar.gz lwn-2555d6c268240fb3f5f335bd62d0518025343c0f.zip | |
[PATCH] sata_sil24: put port into known state before softresetting
Make sure the controller has no pending commands and ready for command
before issuing SRST.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi/sata_sil24.c')
| -rw-r--r-- | drivers/scsi/sata_sil24.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c index 8199527966eb..bfbd630a889c 100644 --- a/drivers/scsi/sata_sil24.c +++ b/drivers/scsi/sata_sil24.c @@ -474,6 +474,12 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class) irq_enable = readl(port + PORT_IRQ_ENABLE_SET); writel(irq_enable, port + PORT_IRQ_ENABLE_CLR); + /* put the port into known state */ + if (sil24_init_port(ap)) { + reason ="port not ready"; + goto err; + } + /* * XXX: Not sure whether the following sleep is needed or not. * The original driver had it. So.... |