libata: rename SFF port ops

Add sff_ prefix to SFF specific port ops.

This rename is in preparation of separating SFF support out of libata
core layer.  This patch strictly renames ops and doesn't introduce any
behavior difference.

Signed-off-by: Tejun Heo <htejun@gmail.com>

1 files changed, 13 insertions, 12 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 66663bfe2c71..584eca19b8f1 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -743,17 +743,18 @@ struct ata_port_operations {
         /*
          * SFF / taskfile oriented ops
          */
-        void (*dev_select)(struct ata_port *ap, unsigned int device);
-        u8   (*check_status)(struct ata_port *ap);
-        u8   (*check_altstatus)(struct ata_port *ap);
-        void (*tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
-        void (*tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
-        void (*exec_command)(struct ata_port *ap, const struct ata_taskfile *tf);
-        unsigned int (*data_xfer)(struct ata_device *dev, unsigned char *buf,
-                                  unsigned int buflen, int rw);
-        u8   (*irq_on)(struct ata_port *);
-
-        void (*irq_clear)(struct ata_port *);
+        void (*sff_dev_select)(struct ata_port *ap, unsigned int device);
+        u8   (*sff_check_status)(struct ata_port *ap);
+        u8   (*sff_check_altstatus)(struct ata_port *ap);
+        void (*sff_tf_load)(struct ata_port *ap, const struct ata_taskfile *tf);
+        void (*sff_tf_read)(struct ata_port *ap, struct ata_taskfile *tf);
+        void (*sff_exec_command)(struct ata_port *ap,
+                                 const struct ata_taskfile *tf);
+        unsigned int (*sff_data_xfer)(struct ata_device *dev,
+                        unsigned char *buf, unsigned int buflen, int rw);
+        u8   (*sff_irq_on)(struct ata_port *);
+        void (*sff_irq_clear)(struct ata_port *);
+
         void (*bmdma_setup)(struct ata_queued_cmd *qc);
         void (*bmdma_start)(struct ata_queued_cmd *qc);
         void (*bmdma_stop)(struct ata_queued_cmd *qc);
@@ -1438,7 +1439,7 @@ static inline u8 ata_sff_busy_wait(struct ata_port *ap, unsigned int bits,
 
         do {
                 udelay(10);
-                status = ap->ops->check_status(ap);
+                status = ap->ops->sff_check_status(ap);
                 max--;
         } while (status != 0xff && (status & bits) && (max > 0));