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| author | Tejun Heo <htejun@gmail.com> | 2006-05-15 20:58:00 +0900 |
|---|---|---|
| committer | Tejun Heo <htejun@gmail.com> | 2006-05-15 20:58:00 +0900 |
| commit | dc2b3515868a254b3d653d77844bff93c5d4c095 (patch) | |
| tree | 9593b32b85cce3cc03802ed00d928f3b7ea65aa9 /drivers/scsi/libata-core.c | |
| parent | 9ec957f2002bd2994be659bbc0ec28397fa251ee (diff) | |
| download | lwn-dc2b3515868a254b3d653d77844bff93c5d4c095.tar.gz lwn-dc2b3515868a254b3d653d77844bff93c5d4c095.zip | |
[PATCH] libata-eh-fw: clear SError in ata_std_postreset()
Clear SError in ata_std_postreset(). This is to clear SError bits
which get set during reset.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Diffstat (limited to 'drivers/scsi/libata-core.c')
| -rw-r--r-- | drivers/scsi/libata-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 9a97ebd59209..de2cd61a264d 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2528,11 +2528,17 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class) */ void ata_std_postreset(struct ata_port *ap, unsigned int *classes) { + u32 serror; + DPRINTK("ENTER\n"); /* print link status */ sata_print_link_status(ap); + /* clear SError */ + if (sata_scr_read(ap, SCR_ERROR, &serror) == 0) + sata_scr_write(ap, SCR_ERROR, serror); + /* re-enable interrupts */ if (ap->ioaddr.ctl_addr) /* FIXME: hack. create a hook instead */ ata_irq_on(ap); |