From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yadwinder Singh Brar Subject: RE: [1/2] ARM: dts: Fix bootup issue on smdk5250 Date: Tue, 25 Nov 2014 18:46:17 +0530 Message-ID: <002601d008b2$1a0f5e00$4e2e1a00$%brar@samsung.com> References: <1416312509-11530-1-git-send-email-yadi.brar@samsung.com> <546D67A1.1080804@samsung.com> <038501d00604$034a9640$09dfc2c0$@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <038501d00604$034a9640$09dfc2c0$@kernel.org> Content-language: en-us Sender: linux-samsung-soc-owner@vger.kernel.org To: 'Kukjin Kim' , 'Pankaj Dubey' , 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 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 > > > > > > > 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 { > > >