watchdog: sama5d4_wdt: cleanup the bit definitions

Cleanup the macro definitions to use BIT and align with two spaces.
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1573806579-7981-1-git-send-email-eugen.hristev@microchip.comSigned-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/at91sam9_wdt.h

@@ -4,33 +4,37 @@
  *
  * Copyright (C) 2007 Andrew Victor
  * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
  *
  * Watchdog Timer (WDT) - System peripherals regsters.
  * Based on AT91SAM9261 datasheet revision D.
+ * Based on SAM9X60 datasheet.
  *
  */
 
 #ifndef AT91_WDT_H
 #define AT91_WDT_H
 
+#include <linux/bits.h>
+
 #define AT91_WDT_CR		0x00			/* Watchdog Control Register */
-#define		AT91_WDT_WDRSTT		(1    << 0)		/* Restart */
-#define		AT91_WDT_KEY		(0xa5 << 24)		/* KEY Password */
+#define  AT91_WDT_WDRSTT	BIT(0)			/* Restart */
+#define  AT91_WDT_KEY		(0xa5UL << 24)		/* KEY Password */
 
 #define AT91_WDT_MR		0x04			/* Watchdog Mode Register */
-#define		AT91_WDT_WDV		(0xfff << 0)		/* Counter Value */
-#define			AT91_WDT_SET_WDV(x)	((x) & AT91_WDT_WDV)
-#define		AT91_WDT_WDFIEN		(1     << 12)		/* Fault Interrupt Enable */
-#define		AT91_WDT_WDRSTEN	(1     << 13)		/* Reset Processor */
-#define		AT91_WDT_WDRPROC	(1     << 14)		/* Timer Restart */
-#define		AT91_WDT_WDDIS		(1     << 15)		/* Watchdog Disable */
-#define		AT91_WDT_WDD		(0xfff << 16)		/* Delta Value */
-#define			AT91_WDT_SET_WDD(x)	(((x) << 16) & AT91_WDT_WDD)
-#define		AT91_WDT_WDDBGHLT	(1     << 28)		/* Debug Halt */
-#define		AT91_WDT_WDIDLEHLT	(1     << 29)		/* Idle Halt */
+#define  AT91_WDT_WDV		(0xfffUL << 0)		/* Counter Value */
+#define  AT91_WDT_SET_WDV(x)	((x) & AT91_WDT_WDV)
+#define  AT91_WDT_WDFIEN	BIT(12)		/* Fault Interrupt Enable */
+#define  AT91_WDT_WDRSTEN	BIT(13)		/* Reset Processor */
+#define  AT91_WDT_WDRPROC	BIT(14)		/* Timer Restart */
+#define  AT91_WDT_WDDIS		BIT(15)		/* Watchdog Disable */
+#define  AT91_WDT_WDD		(0xfffUL << 16)		/* Delta Value */
+#define  AT91_WDT_SET_WDD(x)	(((x) << 16) & AT91_WDT_WDD)
+#define  AT91_WDT_WDDBGHLT	BIT(28)		/* Debug Halt */
+#define  AT91_WDT_WDIDLEHLT	BIT(29)		/* Idle Halt */
 
-#define AT91_WDT_SR		0x08			/* Watchdog Status Register */
-#define		AT91_WDT_WDUNF		(1 << 0)		/* Watchdog Underflow */
-#define		AT91_WDT_WDERR		(1 << 1)		/* Watchdog Error */
+#define AT91_WDT_SR		0x08		/* Watchdog Status Register */
+#define  AT91_WDT_WDUNF		BIT(0)		/* Watchdog Underflow */
+#define  AT91_WDT_WDERR		BIT(1)		/* Watchdog Error */
 
 #endif