svn commit: r366138 - head/sys/arm/allwinner

[Andriy Gapon]

Author: avg
Date: Fri Sep 25 07:39:41 2020
New Revision: 366138
URL: https://svnweb.freebsd.org/changeset/base/366138

Log:
  aw_pwm: remove the busy bit check
  
  The bit seems to always be set on my hardware, H3.
  However, programming the hardware seems to work just fine.
  
  MFC after:	3 weeks

Modified:
  head/sys/arm/allwinner/aw_pwm.c

Modified: head/sys/arm/allwinner/aw_pwm.c
==============================================================================
--- head/sys/arm/allwinner/aw_pwm.c	Fri Sep 25 07:39:14 2020	(r366137)
+++ head/sys/arm/allwinner/aw_pwm.c	Fri Sep 25 07:39:41 2020	(r366138)
@@ -286,10 +286,6 @@ aw_pwm_channel_config(device_t dev, u_int channel, u_i
 	}
 
 	reg = AW_PWM_READ(sc, AW_PWM_CTRL);
-	if (reg & AW_PWM_CTRL_PERIOD_BUSY) {
-		device_printf(sc->dev, "pwm busy\n");
-		return (EBUSY);
-	}
 
 	/* Write the prescalar */
 	reg &= ~AW_PWM_CTRL_PRESCALE_MASK;