[1/2] ARM: dts: Fix bootup issue on smdk5250

Yadwinder Singh Brar yadi.brar at samsung.com
Tue Nov 25 05:16:17 PST 2014


Hi Kukjin,

> Subject: RE: [1/2] ARM: dts: Fix bootup issue on smdk5250
> 
> Pankaj Dubey wrote:
> >
> > Hi,
> >
> Hi,
> 
> Yadwinder, please don't miss [PATCH 1/2] in subject, so that my e-mail
> client can't filter wrong ;)
> 

Sure, but I think your mail client had played some trick, as patches
were posted with [PATCH */2] prefix.

> > On Tuesday 18 November 2014 05:38 PM, Yadwinder Singh Brar wrote:
> > > With default config on smdk5250 latest tree throws below message :
> > >
> > > [    2.226049] thermal thermal_zone0: critical temperature
> reached(224 C),shutting down
> > > [    2.227840] reboot: Failed to start orderly shutdown: forcing
> the issue
> > >
> > > and hangs randomly because it reads wrong temperature value.
> > >
> > > I can't figure out any direct relation between LDO10 and TMU from
> > > board schematics which I have. So making LDO10 always-on to fix
> issue for now.
> > >
> Hmm...strange, I also can't see any relations now...but I need to
> contact to hardware guy before applying this, this fixes the problem
> though.
> 

Ok, sure it will be good know actual relation from hardware guy.

Meanwhile can we get another patch[1] merged which was posted along
with patch just because both patches were on same file. Otherwise
there is no dependency between them and can be applied independently.

Best Regards,
Yadwinder

[1] : http://www.spinics.net/lists/linux-samsung-soc/msg39107.html

> Thanks,
> Kukjin
> 
> > > Signed-off-by: Yadwinder Singh Brar <yadi.brar at samsung.com>
> > >
> >
> > Tested this on SMDK5250 board, system boot is fine now, hence
> >
> > Tested-by: Pankaj Dubey <pankaj.dubey at samsung.com>
> >
> > > ---
> > > arch/arm/boot/dts/exynos5250-smdk5250.dts |    1 +
> > >   1 files changed, 1 insertions(+), 0 deletions(-)
> > >
> > > diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > > b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > > index bc27cc2..95b5b51 100644
> > > --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > > +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> > > @@ -190,6 +190,7 @@
> > >   				regulator-name = "P1.8V_LDO_OUT10";
> > >   				regulator-min-microvolt = <1800000>;
> > >   				regulator-max-microvolt = <1800000>;
> > > +				regulator-always-on;
> > >   			};
> > >
> > >   			ldo11_reg: LDO11 {
> > >




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