| Message ID | 1416312509-11530-1-git-send-email-yadi.brar@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, 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. > > 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 { > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 { > > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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@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 { > > > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Kukjin, On Saturday 22 November 2014 08:55 AM, Kukjin Kim wrote: > 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. > By any chance you got time to check with HW engineer, as issue is there without this patch, SMDK5250 fails to boot and hangs. Thanks, Pankaj Dubey > 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 { >>> > > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 {
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. Signed-off-by: Yadwinder Singh Brar <yadi.brar@samsung.com> --- arch/arm/boot/dts/exynos5250-smdk5250.dts | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)