libata: trim trailing whitespace.
Also, fixup a tabs-to-spaces block of code in ata_piix.
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 73b1f72..6e56af2 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1304,12 +1304,12 @@
/**
* ata_dev_config - Run device specific handlers and check for
* SATA->PATA bridges
- * @ap: Bus
+ * @ap: Bus
* @i: Device
*
* LOCKING:
*/
-
+
void ata_dev_config(struct ata_port *ap, unsigned int i)
{
/* limit bridge transfers to udma5, 200 sectors */