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| author | Alan Cox | 2006-05-22 17:52:06 +0200 |
|---|---|---|
| committer | Jeff Garzik | 2006-05-24 07:53:00 +0200 |
| commit | b6079ca409bf88c248992e96510dd6f610f7ed89 (patch) | |
| tree | e4096503f69f12838969133a995878ed81d8d716 /drivers/scsi | |
| parent | [PATCH] libata: minor fix for irq-pio merge (diff) | |
| download | kernel-qcow2-linux-b6079ca409bf88c248992e96510dd6f610f7ed89.tar.gz kernel-qcow2-linux-b6079ca409bf88c248992e96510dd6f610f7ed89.tar.xz kernel-qcow2-linux-b6079ca409bf88c248992e96510dd6f610f7ed89.zip | |
[PATCH] libata: PIO 0
Ensure the pio_mode is always setup. Don't do any setup on the controller b
just ensure the mode reporting is valid to avoid tons of special cases
in PATA driver code when mode switching on the fly.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/scsi')
| -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 e891b83be10f..45b6b29bc10f 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -1498,6 +1498,12 @@ static int ata_bus_probe(struct ata_port *ap) if (classes[i] == ATA_DEV_UNKNOWN) classes[i] = ATA_DEV_NONE; + /* after the reset the device state is PIO 0 and the controller + state is undefined. Record the mode */ + + for (i = 0; i < ATA_MAX_DEVICES; i++) + ap->device[i].pio_mode = XFER_PIO_0; + /* read IDENTIFY page and configure devices */ for (i = 0; i < ATA_MAX_DEVICES; i++) { dev = &ap->device[i]; |