ata: sata_dwc_460ex: correct HOSTDEV{P}_FROM_*() macros

Here we refactor HOSTDEV{P}_FROM_*() macros to fit one line and fix the
definition of HSDEV_FROM_HSDEVP() where wrong name of the parameter waas used.
Tested-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

drivers/ata/sata_dwc_460ex.c

@@ -168,18 +168,13 @@ struct sata_dwc_device_port {
 };
 
 /*
- * Commonly used DWC SATA driver Macros
+ * Commonly used DWC SATA driver macros
  */
-#define HSDEV_FROM_HOST(host)  ((struct sata_dwc_device *)\
-					(host)->private_data)
-#define HSDEV_FROM_AP(ap)  ((struct sata_dwc_device *)\
-					(ap)->host->private_data)
-#define HSDEVP_FROM_AP(ap)   ((struct sata_dwc_device_port *)\
-					(ap)->private_data)
-#define HSDEV_FROM_QC(qc)	((struct sata_dwc_device *)\
-					(qc)->ap->host->private_data)
-#define HSDEV_FROM_HSDEVP(p)	((struct sata_dwc_device *)\
-						(hsdevp)->hsdev)
+#define HSDEV_FROM_HOST(host)	((struct sata_dwc_device *)(host)->private_data)
+#define HSDEV_FROM_AP(ap)	((struct sata_dwc_device *)(ap)->host->private_data)
+#define HSDEVP_FROM_AP(ap)	((struct sata_dwc_device_port *)(ap)->private_data)
+#define HSDEV_FROM_QC(qc)	((struct sata_dwc_device *)(qc)->ap->host->private_data)
+#define HSDEV_FROM_HSDEVP(p)	((struct sata_dwc_device *)(p)->hsdev)
 
 enum {
 	SATA_DWC_CMD_ISSUED_NOT		= 0,