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-rw-r--r--drivers/ata/libata-sff.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index b7ac80b4b1fb..fd5fe4e7e75a 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -147,7 +147,9 @@ void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
* @tf: ATA taskfile register set for storing input
*
* Reads ATA taskfile registers for currently-selected device
- * into @tf.
+ * into @tf. Assumes the device has a fully SFF compliant task file
+ * layout and behaviour. If you device does not (eg has a different
+ * status method) then you will need to provide a replacement tf_read
*
* LOCKING:
* Inherited from caller.
@@ -156,7 +158,7 @@ void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
- tf->command = ata_chk_status(ap);
+ tf->command = ata_check_status(ap);
tf->feature = ioread8(ioaddr->error_addr);
tf->nsect = ioread8(ioaddr->nsect_addr);
tf->lbal = ioread8(ioaddr->lbal_addr);