svn commit: r366641 - stable/12/sys/arm/allwinner

[Andriy Gapon]

Author: avg
Date: Mon Oct 12 11:01:54 2020
New Revision: 366641
URL: https://svnweb.freebsd.org/changeset/base/366641

Log:
  MFC r366141: aw_pwm: ensure sane configuration, just in case

Modified:
  stable/12/sys/arm/allwinner/aw_pwm.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/arm/allwinner/aw_pwm.c
==============================================================================
--- stable/12/sys/arm/allwinner/aw_pwm.c	Mon Oct 12 10:57:59 2020	(r366640)
+++ stable/12/sys/arm/allwinner/aw_pwm.c	Mon Oct 12 11:01:54 2020	(r366641)
@@ -294,6 +294,13 @@ aw_pwm_channel_config(device_t dev, u_int channel, u_i
 	/* Write the prescalar */
 	reg &= ~AW_PWM_CTRL_PRESCALE_MASK;
 	reg |= prescaler;
+
+	reg &= ~AW_PWM_CTRL_MODE_MASK;
+	reg |= AW_PWM_CTRL_CYCLE_MODE;
+
+	reg &= ~AW_PWM_CTRL_PULSE_START;
+	reg &= ~AW_PWM_CTRL_CLK_BYPASS;
+
 	AW_PWM_WRITE(sc, AW_PWM_CTRL, reg);
 
 	/* Write the total/active cycles */