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authorGuenter Roeck <linux@roeck-us.net>2016-07-04 17:01:04 +0200
committerGuenter Roeck <linux@roeck-us.net>2016-09-09 06:34:14 +0200
commite8172a9381f33b6a4b16871b9149171e0113bfde (patch)
tree08ef3fbd9e97d27e32c2ff171aa5c324c0b74c43 /drivers/hwmon
parenthwmon: (lm95241) Drop FSF address (diff)
downloadlinux-e8172a9381f33b6a4b16871b9149171e0113bfde.tar.xz
linux-e8172a9381f33b6a4b16871b9149171e0113bfde.zip
hwmon: (lm95241) Use BIT macro where appropriate
Drop some of the SHIFT defines since shift is implied with BIT(). Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r--drivers/hwmon/lm95241.c45
1 files changed, 21 insertions, 24 deletions
diff --git a/drivers/hwmon/lm95241.c b/drivers/hwmon/lm95241.c
index 507b32b67974..df94f486b21c 100644
--- a/drivers/hwmon/lm95241.c
+++ b/drivers/hwmon/lm95241.c
@@ -17,6 +17,7 @@
* GNU General Public License for more details.
*/
+#include <linux/bitops.h>
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/init.h>
@@ -50,29 +51,25 @@ static const unsigned short normal_i2c[] = {
#define LM95241_REG_RW_REMOTE_MODEL 0x30
/* LM95241 specific bitfields */
-#define CFG_STOP 0x40
-#define CFG_CR0076 0x00
-#define CFG_CR0182 0x10
-#define CFG_CR1000 0x20
-#define CFG_CR2700 0x30
-#define CFG_CRMASK 0x30
-#define R1MS_SHIFT 0
-#define R2MS_SHIFT 2
-#define R1MS_MASK (0x01 << (R1MS_SHIFT))
-#define R2MS_MASK (0x01 << (R2MS_SHIFT))
-#define R1DF_SHIFT 1
-#define R2DF_SHIFT 2
-#define R1DF_MASK (0x01 << (R1DF_SHIFT))
-#define R2DF_MASK (0x01 << (R2DF_SHIFT))
-#define R1FE_MASK 0x01
-#define R2FE_MASK 0x05
-#define R1DM 0x01
-#define R2DM 0x02
-#define TT1_SHIFT 0
-#define TT2_SHIFT 4
-#define TT_OFF 0
-#define TT_ON 1
-#define TT_MASK 7
+#define CFG_STOP BIT(6)
+#define CFG_CR0076 0x00
+#define CFG_CR0182 BIT(4)
+#define CFG_CR1000 BIT(5)
+#define CFG_CR2700 (BIT(4) | BIT(5))
+#define CFG_CRMASK (BIT(4) | BIT(5))
+#define R1MS_MASK BIT(0)
+#define R2MS_MASK BIT(2)
+#define R1DF_MASK BIT(1)
+#define R2DF_MASK BIT(2)
+#define R1FE_MASK BIT(0)
+#define R2FE_MASK BIT(2)
+#define R1DM BIT(0)
+#define R2DM BIT(1)
+#define TT1_SHIFT 0
+#define TT2_SHIFT 4
+#define TT_OFF 0
+#define TT_ON 1
+#define TT_MASK 7
#define NATSEMI_MAN_ID 0x01
#define LM95231_CHIP_ID 0xA1
#define LM95241_CHIP_ID 0xA4
@@ -148,7 +145,7 @@ static ssize_t show_input(struct device *dev, struct device_attribute *attr,
int index = to_sensor_dev_attr(attr)->index;
return snprintf(buf, PAGE_SIZE - 1, "%d\n",
- index == 0 || (data->config & (1 << (index / 2))) ?
+ index == 0 || (data->config & BIT(index / 2)) ?
temp_from_reg_signed(data->temp[index], data->temp[index + 1]) :
temp_from_reg_unsigned(data->temp[index],
data->temp[index + 1]));