pata_via: fix address setup timings underlocking
Correct via_do_set_mode() documentation while at it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 0d97890..82e75a1 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -229,7 +229,7 @@
/**
- * via_do_set_mode - set initial PIO mode data
+ * via_do_set_mode - set transfer mode data
* @ap: ATA interface
* @adev: ATA device
* @mode: ATA mode being programmed
@@ -273,7 +273,7 @@
pci_read_config_byte(pdev, 0x4C, &setup);
setup &= ~(3 << shift);
- setup |= clamp_val(t.setup, 1, 4) << shift; /* 1,4 or 1,4 - 1 FIXME */
+ setup |= (clamp_val(t.setup, 1, 4) - 1) << shift;
pci_write_config_byte(pdev, 0x4C, setup);
}