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Message-Id: <20191122100928.459962906@linuxfoundation.org>
Date: Fri, 22 Nov 2019 11:29:28 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Kun Yi <kunyi@...gle.com>,
Guenter Roeck <linux@...ck-us.net>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 203/220] hwmon: (npcm-750-pwm-fan) Change initial pwm target to 255
From: Kun Yi <kunyi@...gle.com>
[ Upstream commit f21c8e753b1dcb8f9e5b096db1f7f4e6fdfa7258 ]
Change initial PWM target to 255 to prevent overheating, for example
when BMC hangs in userspace or when userspace fan control application is
not implemented yet.
Signed-off-by: Kun Yi <kunyi@...gle.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/hwmon/npcm750-pwm-fan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/npcm750-pwm-fan.c b/drivers/hwmon/npcm750-pwm-fan.c
index b998f9fbed41e..979b579bc118f 100644
--- a/drivers/hwmon/npcm750-pwm-fan.c
+++ b/drivers/hwmon/npcm750-pwm-fan.c
@@ -52,7 +52,7 @@
/* Define the Counter Register, value = 100 for match 100% */
#define NPCM7XX_PWM_COUNTER_DEFAULT_NUM 255
-#define NPCM7XX_PWM_CMR_DEFAULT_NUM 127
+#define NPCM7XX_PWM_CMR_DEFAULT_NUM 255
#define NPCM7XX_PWM_CMR_MAX 255
/* default all PWM channels PRESCALE2 = 1 */
--
2.20.1
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