* [PATCH] ARM: zynq: DT: Remove 222 MHz OPP
@ 2014-09-23 18:55 Soren Brinkmann
[not found] ` <1411498520-8117-1-git-send-email-soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Soren Brinkmann @ 2014-09-23 18:55 UTC (permalink / raw)
To: Michal Simek
Cc: Sören Brinkmann, linux-arm-kernel, linux-kernel, devicetree
Due to dependencies between timer and CPU frequency, only changes by
powers of two are allowed. The clocksource driver prevents other
changes, but with cpufreq and its governors it can result in being
spammed with error messages constantly. Hence, remove the 222 MHz OPP.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
---
arch/arm/boot/dts/zynq-7000.dtsi | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index 6cc83d4c6c76..a0ed01d68328 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -30,7 +30,6 @@
/* kHz uV */
666667 1000000
333334 1000000
- 222223 1000000
>;
};
--
2.1.0.1.g27b9230
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: zynq: DT: Remove 222 MHz OPP
[not found] ` <1411498520-8117-1-git-send-email-soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
@ 2014-09-24 9:39 ` Michal Simek
0 siblings, 0 replies; 2+ messages in thread
From: Michal Simek @ 2014-09-24 9:39 UTC (permalink / raw)
To: Soren Brinkmann, Michal Simek
Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
linux-kernel-u79uwXL29TY76Z2rM5mHXA,
devicetree-u79uwXL29TY76Z2rM5mHXA
On 09/23/2014 08:55 PM, Soren Brinkmann wrote:
> Due to dependencies between timer and CPU frequency, only changes by
> powers of two are allowed. The clocksource driver prevents other
> changes, but with cpufreq and its governors it can result in being
> spammed with error messages constantly. Hence, remove the 222 MHz OPP.
>
> Signed-off-by: Soren Brinkmann <soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
> ---
> arch/arm/boot/dts/zynq-7000.dtsi | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
> index 6cc83d4c6c76..a0ed01d68328 100644
> --- a/arch/arm/boot/dts/zynq-7000.dtsi
> +++ b/arch/arm/boot/dts/zynq-7000.dtsi
> @@ -30,7 +30,6 @@
> /* kHz uV */
> 666667 1000000
> 333334 1000000
> - 222223 1000000
> >;
> };
>
>
Applied.
Thanks,
Michal
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2014-09-23 18:55 [PATCH] ARM: zynq: DT: Remove 222 MHz OPP Soren Brinkmann
[not found] ` <1411498520-8117-1-git-send-email-soren.brinkmann-gjFFaj9aHVfQT0dZR+AlfA@public.gmane.org>
2014-09-24 9:39 ` Michal Simek
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