Messages in this thread | | | Date | Fri, 12 May 2017 08:33:55 +0800 | From | Shawn Guo <> | Subject | Re: [PATCH v2] ARM: dts: imx6sx-sdb: Remove OPP override |
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On Fri, May 05, 2017 at 02:00:17PM +0300, Leonard Crestez wrote: > The board file for imx6sx-sdb overrides cpufreq operating points to use > higher voltages. This is done because the board has a shared rail for > VDD_ARM_IN and VDD_SOC_IN and when using LDO bypass the shared voltage > needs to be a value suitable for both ARM and SOC. > > This only applies to LDO bypass mode, a feature not present in upstream. > When LDOs are enabled the effect is to use higher voltages than necessary > for no good reason. > > Setting these higher voltages can make some boards fail to boot with ugly > semi-random crashes reminiscent of memory corruption. These failures only > happen on board rev. C, rev. B is reported to still work. > > Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com> > CC: stable@vger.kernel.org
Applied, thanks.
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