Date: Fri, 16 Oct 2020 06:42:25 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r366746 - stable/12/sys/arm/allwinner Message-ID: <202010160642.09G6gP2l001426@repo.freebsd.org>
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Author: avg Date: Fri Oct 16 06:42:25 2020 New Revision: 366746 URL: https://svnweb.freebsd.org/changeset/base/366746 Log: MFC r366140: aw_pwm: fix programming of the period The programmed value is biased by one: 0 means 1 cycle, 1 means 2 cycles, etc. 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 Fri Oct 16 06:40:59 2020 (r366745) +++ stable/12/sys/arm/allwinner/aw_pwm.c Fri Oct 16 06:42:25 2020 (r366746) @@ -314,7 +314,7 @@ aw_pwm_channel_config(device_t dev, u_int channel, u_i AW_PWM_WRITE(sc, AW_PWM_CTRL, reg); /* Write the total/active cycles */ - reg = ((clk_rate / period_freq) << AW_PWM_PERIOD_TOTAL_SHIFT) | + reg = ((clk_rate / period_freq - 1) << AW_PWM_PERIOD_TOTAL_SHIFT) | ((clk_rate / duty_freq) << AW_PWM_PERIOD_ACTIVE_SHIFT); AW_PWM_WRITE(sc, AW_PWM_PERIOD, reg);
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