From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kukjin Kim Subject: RE: [1/2] ARM: dts: Fix bootup issue on smdk5250 Date: Sat, 22 Nov 2014 12:25:49 +0900 Message-ID: <038501d00604$034a9640$09dfc2c0$@kernel.org> References: <1416312509-11530-1-git-send-email-yadi.brar@samsung.com> <546D67A1.1080804@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <546D67A1.1080804@samsung.com> Content-language: ko Sender: linux-samsung-soc-owner@vger.kernel.org To: 'Pankaj Dubey' , 'Yadwinder Singh Brar' , 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 List-Id: devicetree@vger.kernel.org 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 > > > > Tested this on SMDK5250 board, system boot is fine now, hence > > Tested-by: Pankaj Dubey > > > --- > > 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 { > >