Platform: OLPC: Use BIT() and GENMASK() for event masks

Just a cosmetic tidy-up.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

include/linux/olpc-ec.h

@@ -2,6 +2,8 @@
 #ifndef _LINUX_OLPC_EC_H
 #define _LINUX_OLPC_EC_H
 
+#include <linux/bits.h>
+
 /* XO-1 EC commands */
 #define EC_FIRMWARE_REV			0x08
 #define EC_WRITE_SCI_MASK		0x1b
@@ -17,17 +19,16 @@
 #define EC_EXT_SCI_QUERY		0x85
 
 /* SCI source values */
-#define EC_SCI_SRC_EMPTY        0x00
-#define EC_SCI_SRC_GAME         0x01
-#define EC_SCI_SRC_BATTERY      0x02
-#define EC_SCI_SRC_BATSOC       0x04
-#define EC_SCI_SRC_BATERR       0x08
-#define EC_SCI_SRC_EBOOK        0x10    /* XO-1 only */
-#define EC_SCI_SRC_WLAN         0x20    /* XO-1 only */
-#define EC_SCI_SRC_ACPWR        0x40
-#define EC_SCI_SRC_BATCRIT      0x80
-#define EC_SCI_SRC_GPWAKE       0x100   /* XO-1.5 only */
-#define EC_SCI_SRC_ALL          0x1FF
+#define EC_SCI_SRC_GAME         BIT(0)
+#define EC_SCI_SRC_BATTERY      BIT(1)
+#define EC_SCI_SRC_BATSOC       BIT(2)
+#define EC_SCI_SRC_BATERR       BIT(3)
+#define EC_SCI_SRC_EBOOK        BIT(4)    /* XO-1 only */
+#define EC_SCI_SRC_WLAN         BIT(5)    /* XO-1 only */
+#define EC_SCI_SRC_ACPWR        BIT(6)
+#define EC_SCI_SRC_BATCRIT      BIT(7)
+#define EC_SCI_SRC_GPWAKE       BIT(8)   /* XO-1.5 only */
+#define EC_SCI_SRC_ALL          GENMASK(8, 0)
 
 struct platform_device;