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 */
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