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From: Kukjin Kim <kgene@kernel.org>
To: 'Pankaj Dubey' <pankaj.dubey@samsung.com>,
	'Yadwinder Singh Brar' <yadi.brar@samsung.com>,
	devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: robh+dt@kernel.org, yadi.brar01@gmail.com
Subject: RE: [1/2] ARM: dts: Fix bootup issue on smdk5250
Date: Sat, 22 Nov 2014 12:25:49 +0900	[thread overview]
Message-ID: <038501d00604$034a9640$09dfc2c0$@kernel.org> (raw)
In-Reply-To: <546D67A1.1080804@samsung.com>

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 ;)

> 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.

Thanks,
Kukjin

> > Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
> >
> 
> Tested this on SMDK5250 board, system boot is fine now, hence
> 
> Tested-by: Pankaj Dubey <pankaj.dubey@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 {
> >

WARNING: multiple messages have this Message-ID (diff)
From: kgene@kernel.org (Kukjin Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [1/2] ARM: dts: Fix bootup issue on smdk5250
Date: Sat, 22 Nov 2014 12:25:49 +0900	[thread overview]
Message-ID: <038501d00604$034a9640$09dfc2c0$@kernel.org> (raw)
In-Reply-To: <546D67A1.1080804@samsung.com>

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 ;)

> 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.

Thanks,
Kukjin

> > Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com>
> >
> 
> Tested this on SMDK5250 board, system boot is fine now, hence
> 
> Tested-by: Pankaj Dubey <pankaj.dubey@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 {
> >

  reply	other threads:[~2014-11-22  3:26 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-18 12:08 [PATCH 1/2] ARM: dts: Fix bootup issue on smdk5250 Yadwinder Singh Brar
2014-11-18 12:08 ` Yadwinder Singh Brar
2014-11-18 12:08 ` [PATCH 2/2] ARM: dts: Add missing irq pinctrl for max77686 " Yadwinder Singh Brar
2014-11-18 12:08   ` Yadwinder Singh Brar
2014-11-18 14:02   ` Javier Martinez Canillas
2014-11-18 14:02     ` Javier Martinez Canillas
2014-11-20  4:06   ` [2/2] " Pankaj Dubey
2014-11-20  4:06     ` Pankaj Dubey
2015-04-28 11:02   ` Pankaj Dubey
2015-04-28 11:02     ` Pankaj Dubey
2015-05-02  5:49     ` Krzysztof Kozlowski
2015-05-02  5:49       ` Krzysztof Kozlowski
2015-08-17  5:50       ` Krzysztof Kozlowski
2015-08-17  5:50         ` Krzysztof Kozlowski
2015-08-18  6:13         ` Pankaj Dubey
2015-08-18  6:13           ` Pankaj Dubey
2015-08-18  6:27         ` Pankaj Dubey
2015-08-18  6:27           ` Pankaj Dubey
2015-08-18  7:00           ` Krzysztof Kozlowski
2015-08-18  7:00             ` Krzysztof Kozlowski
2014-11-20  4:01 ` [1/2] ARM: dts: Fix bootup issue " Pankaj Dubey
2014-11-20  4:01   ` Pankaj Dubey
2014-11-22  3:25   ` Kukjin Kim [this message]
2014-11-22  3:25     ` Kukjin Kim
2014-11-25 13:16     ` Yadwinder Singh Brar
2014-11-25 13:16       ` Yadwinder Singh Brar
2015-04-28 11:05     ` Pankaj Dubey
2015-04-28 11:05       ` Pankaj Dubey

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