[PATCH AUTOSEL 4.19 039/123] hwmon: (mlxreg-fan) Fix macros for tacho fault reading

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From: Vadim Pasternak <vadimp@xxxxxxxxxxxx>

[ Upstream commit 243cfe3fb8978c7eec24511aba7dac98819ed896 ]

Fix macros for tacometer fault reading.
This fix is relevant for three Mellanox systems MQMB7, MSN37, MSN34,
which are about to be released to the customers.
At the moment, none of them is at customers sites.

Fixes: 65afb4c8e7e4 ("hwmon: (mlxreg-fan) Add support for Mellanox FAN driver")
Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/hwmon/mlxreg-fan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwmon/mlxreg-fan.c b/drivers/hwmon/mlxreg-fan.c
index de46577c7d5a..d8fa4bea4bc8 100644
--- 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))
-- 
2.17.1




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