hwmon: (mlxreg-fan) Modify macros for tachometer fault status reading

Modify macros for tachometer fault status reading for making it more
simple and clear.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/mlxreg-fan.c b/drivers/hwmon/mlxreg-fan.c
index d8fa4be..db8c6de 100644 (file)
--- a/drivers/hwmon/mlxreg-fan.c
+++ b/drivers/hwmon/mlxreg-fan.c
@@ -51,7 +51,7 @@
  */
 #define MLXREG_FAN_GET_RPM(rval, d, s) (DIV_ROUND_CLOSEST(15000000 * 100, \
                                         ((rval) + (s)) * (d)))
-#define MLXREG_FAN_GET_FAULT(val, mask) (!((val) ^ (mask)))
+#define MLXREG_FAN_GET_FAULT(val, mask) ((val) == (mask))
 #define MLXREG_FAN_PWM_DUTY2STATE(duty)        (DIV_ROUND_CLOSEST((duty) *     \
                                         MLXREG_FAN_MAX_STATE,          \
                                         MLXREG_FAN_MAX_DUTY))