[PATCH 07/10] hwmon: (amc2821) Use BIT() and GENMASK()

[Guenter Roeck]

Use BIT() and GENMASK() for bit and mask definitions
to help distinguish bit and mask definitions from other
defines and to make the code easier to read.

Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
 drivers/hwmon/amc6821.c | 71 +++++++++++++++++++++--------------------
 1 file changed, 36 insertions(+), 35 deletions(-)

diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 03ce2e3ffd86..042e2044de7b 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -8,6 +8,7 @@
  * Copyright (C) 2007 Hans J. Koch <hjk@xxxxxxxxxxxx>
  */
 
+#include <linux/bits.h>
 #include <linux/err.h>
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
@@ -68,46 +69,46 @@ enum chips { amc6821 };
 #define AMC6821_REG_TACH_SETTINGL	0x1e
 #define AMC6821_REG_TACH_SETTINGH	0x1f
 
-#define AMC6821_CONF1_START		0x01
-#define AMC6821_CONF1_FAN_INT_EN	0x02
-#define AMC6821_CONF1_FANIE		0x04
-#define AMC6821_CONF1_PWMINV		0x08
-#define AMC6821_CONF1_FAN_FAULT_EN	0x10
-#define AMC6821_CONF1_FDRC0		0x20
-#define AMC6821_CONF1_FDRC1		0x40
-#define AMC6821_CONF1_THERMOVIE		0x80
+#define AMC6821_CONF1_START		BIT(0)
+#define AMC6821_CONF1_FAN_INT_EN	BIT(1)
+#define AMC6821_CONF1_FANIE		BIT(2)
+#define AMC6821_CONF1_PWMINV		BIT(3)
+#define AMC6821_CONF1_FAN_FAULT_EN	BIT(4)
+#define AMC6821_CONF1_FDRC0		BIT(5)
+#define AMC6821_CONF1_FDRC1		BIT(7)
+#define AMC6821_CONF1_THERMOVIE		BIT(7)
 
-#define AMC6821_CONF2_PWM_EN		0x01
-#define AMC6821_CONF2_TACH_MODE		0x02
-#define AMC6821_CONF2_TACH_EN		0x04
-#define AMC6821_CONF2_RTFIE		0x08
-#define AMC6821_CONF2_LTOIE		0x10
-#define AMC6821_CONF2_RTOIE		0x20
-#define AMC6821_CONF2_PSVIE		0x40
-#define AMC6821_CONF2_RST		0x80
+#define AMC6821_CONF2_PWM_EN		BIT(0)
+#define AMC6821_CONF2_TACH_MODE		BIT(1)
+#define AMC6821_CONF2_TACH_EN		BIT(2)
+#define AMC6821_CONF2_RTFIE		BIT(3)
+#define AMC6821_CONF2_LTOIE		BIT(4)
+#define AMC6821_CONF2_RTOIE		BIT(5)
+#define AMC6821_CONF2_PSVIE		BIT(6)
+#define AMC6821_CONF2_RST		BIT(7)
 
-#define AMC6821_CONF3_THERM_FAN_EN	0x80
-#define AMC6821_CONF3_REV_MASK		0x0F
+#define AMC6821_CONF3_THERM_FAN_EN	BIT(7)
+#define AMC6821_CONF3_REV_MASK		GENMASK(3, 0)
 
-#define AMC6821_CONF4_OVREN		0x10
-#define AMC6821_CONF4_TACH_FAST		0x20
-#define AMC6821_CONF4_PSPR		0x40
-#define AMC6821_CONF4_MODE		0x80
+#define AMC6821_CONF4_OVREN		BIT(4)
+#define AMC6821_CONF4_TACH_FAST		BIT(5)
+#define AMC6821_CONF4_PSPR		BIT(6)
+#define AMC6821_CONF4_MODE		BIT(7)
 
-#define AMC6821_STAT1_RPM_ALARM		0x01
-#define AMC6821_STAT1_FANS		0x02
-#define AMC6821_STAT1_RTH		0x04
-#define AMC6821_STAT1_RTL		0x08
-#define AMC6821_STAT1_R_THERM		0x10
-#define AMC6821_STAT1_RTF		0x20
-#define AMC6821_STAT1_LTH		0x40
-#define AMC6821_STAT1_LTL		0x80
+#define AMC6821_STAT1_RPM_ALARM		BIT(0)
+#define AMC6821_STAT1_FANS		BIT(1)
+#define AMC6821_STAT1_RTH		BIT(2)
+#define AMC6821_STAT1_RTL		BIT(3)
+#define AMC6821_STAT1_R_THERM		BIT(4)
+#define AMC6821_STAT1_RTF		BIT(5)
+#define AMC6821_STAT1_LTH		BIT(6)
+#define AMC6821_STAT1_LTL		BIT(7)
 
-#define AMC6821_STAT2_RTC		0x08
-#define AMC6821_STAT2_LTC		0x10
-#define AMC6821_STAT2_LPSV		0x20
-#define AMC6821_STAT2_L_THERM		0x40
-#define AMC6821_STAT2_THERM_IN		0x80
+#define AMC6821_STAT2_RTC		BIT(3)
+#define AMC6821_STAT2_LTC		BIT(4)
+#define AMC6821_STAT2_LPSV		BIT(5)
+#define AMC6821_STAT2_L_THERM		BIT(6)
+#define AMC6821_STAT2_THERM_IN		BIT(7)
 
 enum {IDX_TEMP1_INPUT = 0, IDX_TEMP1_MIN, IDX_TEMP1_MAX,
 	IDX_TEMP1_CRIT, IDX_TEMP2_INPUT, IDX_TEMP2_MIN,
-- 
2.39.2