ata: pass queued command to ->sff_data_xfer method

For Atari Falcon PATA support we need to check the current command
in its ->sff_data_xfer method.  Update core code and all users
accordingly.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/libata.h b/include/linux/libata.h
index c170be5..0e8a800 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -968,7 +968,7 @@ struct ata_port_operations {
 	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 int (*sff_data_xfer)(struct ata_queued_cmd *qc,
 			unsigned char *buf, unsigned int buflen, int rw);
 	void (*sff_irq_on)(struct ata_port *);
 	bool (*sff_irq_check)(struct ata_port *);
@@ -1823,11 +1823,11 @@ extern void ata_sff_tf_load(struct ata_port *ap, const struct ata_taskfile *tf);
 extern void ata_sff_tf_read(struct ata_port *ap, struct ata_taskfile *tf);
 extern void ata_sff_exec_command(struct ata_port *ap,
 				 const struct ata_taskfile *tf);
-extern unsigned int ata_sff_data_xfer(struct ata_device *dev,
+extern unsigned int ata_sff_data_xfer(struct ata_queued_cmd *qc,
 			unsigned char *buf, unsigned int buflen, int rw);
-extern unsigned int ata_sff_data_xfer32(struct ata_device *dev,
+extern unsigned int ata_sff_data_xfer32(struct ata_queued_cmd *qc,
 			unsigned char *buf, unsigned int buflen, int rw);
-extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev,
+extern unsigned int ata_sff_data_xfer_noirq(struct ata_queued_cmd *qc,
 			unsigned char *buf, unsigned int buflen, int rw);
 extern void ata_sff_irq_on(struct ata_port *ap);
 extern void ata_sff_irq_clear(struct ata_port *ap);