diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/libata-core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 5d00bb721e23..477afb4a9255 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2001,9 +2001,19 @@ static unsigned int ata_bus_softreset(struct ata_port *ap, * status is checked. Because waiting for "a while" before * checking status is fine, post SRST, we perform this magic * delay here as well. + * + * Old drivers/ide uses the 2mS rule and then waits for ready */ msleep(150); + + /* Before we perform post reset processing we want to see if + the bus shows 0xFF because the odd clown forgets the D7 pulldown + resistor */ + + if (ata_check_status(ap) == 0xFF) + return 1; /* Positive is failure for some reason */ + ata_bus_post_reset(ap, devmask); return 0; |