[PATCH v2 0/6] Switch to generic syscon regmap based drivers

[Markus Reichl]

Am Dienstag, 20. Oktober 2015, 21:22:05 schrieb Alim Akhtar:
> On Tue, Oct 20, 2015 at 9:17 PM, Alim Akhtar <alim.akhtar at gmail.com> wrote:
> > Hi Markus,
> >
> > On Tue, Oct 20, 2015 at 8:29 PM, Markus Reichl <m.reichl at fivetechno.de> wrote:
> >> Am 20.10.2015 um 11:24 schrieb Alim Akhtar:
> >>> Now we have a nice way to reboot/poweroff system using a generic
> >>> syscon regmap based drivers, this series moves exynos SoCs to
> >>> make use of the same.
> >>>
> >>> Changes since v1:
> >>> * Added a comment about the register information
> >>> * Droped defconfig changes as disscussed
> >>> * Collected various Reviewed-by, Tested-by and Acked-by tags
> >>> * Added SYSCON-{RESET, POWEROFF} to select from Kconfig
> >>>
> >>> Alim Akhtar (6):
> >>>   arm: dts: Add syscon-{reboot, poweroff} nodes for exynos3250 SoCs
> >>>   arm: dts: Add syscon-{reboot, poweroff} nodes for exynos4
> >>>   arm: dts: Add syscon-{reboot, poweroff} nodes for exynos5
> >>>   arm: dts: Add syscon-{reboot, poweroff} nodes for exynos5410 SoC
> >>>   ARM: exynos: select POWER_RESET_SYSCON and
> >>>     POWER_RESET_SYSCON_POWEROFF
> >>>   ARM: EXYNOS: Remove code for restart and poweroff for exynos SoCs
> >>>
> >>>  arch/arm/boot/dts/exynos3250.dtsi |   14 ++++++++++++
> >>>  arch/arm/boot/dts/exynos4.dtsi    |   14 ++++++++++++
> >>>  arch/arm/boot/dts/exynos5.dtsi    |   14 ++++++++++++
> >>>  arch/arm/boot/dts/exynos5410.dtsi |   14 ++++++++++++
> >>>  arch/arm/mach-exynos/Kconfig      |    3 +++
> >>>  arch/arm/mach-exynos/pmu.c        |   43 -------------------------------------
> >>>  6 files changed, 59 insertions(+), 43 deletions(-)
> >>>
> >>
> >> Hi Alim,
> >>
> >> I have installed your patch set above with git am on top of
> >> 4.3.0-rc6-00108-gce1fad2 torvalds/linux of today
> >> with make exynos_defconfig on Odroid U3.
> >>
> > which exynos soc Odroid U3 uses?
> >
> OK, I can see its uses exynos4412 and exynos4412-odroidu3.dts does
> include exynos4.dtsi,
> so these should have worked.
> 
> >> "halt -p" worked (power 0.0W).
> >> "reboot" got stuck at 0.5W.
> >>
> > reboot stuck mean system does not reboot any more?

It freezes when going for reboot.
Have to power off/on to boot again.

Btw I use an mmc, not an sd-card.
No other HW connected, just LAN-cable.
Bootloader is u-boot v2015.10.

> > As far as I can see there in __no__ functional changes that my patch introduce.
> > So ideally it should have work. My patches are based on the top on
> > vanilla v4.3-rc5.
> > (25cb62b Linux 4.3-rc5), can you check at this commit?

Will try tomorrow.

> >
> > Will check with the commit mentioned by you tomorrow.
> >
> >>
> >> Without your patch set reboot worked.
> >>
> >>
> >> Thanks,
> >> --
> >> Markus Reichl
> >> --
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> >> the body of a message to majordomo at vger.kernel.org
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> >
> >
> >
> > --
> > Regards,
> > Alim
> 
> 
> 
> 
Thanks,
--
Markus