Re: [PATCH v2 0/2] fix rk3066a based boards hang when cpufreq changes

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From: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
To: Andy Yan <andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
Cc: naobsd-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	inux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 0/2] fix rk3066a based boards hang when cpufreq changes
Date: Mon, 18 Jan 2016 00:16:50 +0100	[thread overview]
Message-ID: <1825501.4ZfleL6hBQ@phil> (raw)
In-Reply-To: <1452864223-423-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>

Hi Andy,

Am Freitag, 15. Januar 2016, 21:23:43 schrieb Andy Yan:
> I found the rayeager board always hang in the system boot
> process or when cpufreq change. When check the BSP code[0]
> from ChipSpark, I found the current vdd_arm voltage is too
> low and so is the vdd_logic voltage, which should be modulated
> by PWM3.
> 
> So I increase the vdd_arm voltage and enabled pwm3 as a pwm
> regulator here.

applied both to my dts32 branch for 4.6

Thanks
Heiko
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WARNING: multiple messages have this Message-ID (diff)

From: Heiko Stuebner <heiko@sntech.de>
To: Andy Yan <andy.yan@rock-chips.com>
Cc: naobsd@gmail.com, robh+dt@kernel.org, linux@arm.linux.org.uk,
	devicetree@vger.kernel.org, galak@codeaurora.org,
	linux-kernel@vger.kernel.org, ijc+devicetree@hellion.org.uk,
	linux-rockchip@lists.infradead.org, pawel.moll@arm.com,
	mark.rutland@arm.com, inux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/2] fix rk3066a based boards hang when cpufreq changes
Date: Mon, 18 Jan 2016 00:16:50 +0100	[thread overview]
Message-ID: <1825501.4ZfleL6hBQ@phil> (raw)
In-Reply-To: <1452864223-423-1-git-send-email-andy.yan@rock-chips.com>

Hi Andy,

Am Freitag, 15. Januar 2016, 21:23:43 schrieb Andy Yan:
> I found the rayeager board always hang in the system boot
> process or when cpufreq change. When check the BSP code[0]
> from ChipSpark, I found the current vdd_arm voltage is too
> low and so is the vdd_logic voltage, which should be modulated
> by PWM3.
> 
> So I increase the vdd_arm voltage and enabled pwm3 as a pwm
> regulator here.

applied both to my dts32 branch for 4.6

Thanks
Heiko

next prev parent reply	other threads:[~2016-01-17 23:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-15 13:23 [PATCH v2 0/2] fix rk3066a based boards hang when cpufreq changes Andy Yan
2016-01-15 13:23 ` Andy Yan
     [not found] ` <1452864223-423-1-git-send-email-andy.yan-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2016-01-15 13:25   ` [PATCH v2 1/2] ARM: dts: rockchip: increase vdd_arm voltage for rk3066a based boards Andy Yan
2016-01-15 13:25     ` Andy Yan
2016-01-15 13:26   ` [PATCH v2 2/2] ARM: dts: rockchip: enable pwm3 as pwm regulator " Andy Yan
2016-01-15 13:26     ` Andy Yan
2016-01-17 23:16   ` Heiko Stuebner [this message]
2016-01-17 23:16     ` [PATCH v2 0/2] fix rk3066a based boards hang when cpufreq changes Heiko Stuebner

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