[PATCH 0/3] ARM:exynos5:power-domain: Save and restore CLK_TOP_SRC3 via clock framework.
Kukjin Kim
kgene.kim at samsung.com
Tue Jan 29 00:24:35 EST 2013
Prasanna Kumar wrote:
>
> After Suspend-Resume operation of exynos5, CLK_TOP_SRC3 register
> modified
> while power gating G-scaler and MFC power domains.This is seen only after
> suspend and resume.
>
> The solution to this problem is to save CLK_SRC_TOP3 register and restore
> it while powergating. But CLK_SRC_TOP3 register cannot accessed directly
> by power domain code.
> Please refer below URL to know the background of this issue.
> http://www.mail-archive.com/linux-samsung-
> soc at vger.kernel.org/msg14347.html.
>
> This patch set adds clock framework support for save and restore
> clock register (CLK_SRC_TOP3) for G-scaler and MFC power domains.
>
> This patch set depends on
> http://www.mail-archive.com/linux-samsung-
> soc at vger.kernel.org/msg14648.html
>
> Prasanna Kumar (3):
> ARM: dts: exynos5: Add power domain clocks to pd node of Gscaler and
> MFC
> ARM:exynos5:dts: Bindings for clock definitions are added.
> ARM: exynos5: Add clock save and restore operation(CLK_SRC_TOP3) using
> clock framework.
>
> .../bindings/arm/exynos/power_domain.txt | 14 ++
> arch/arm/boot/dts/exynos5250.dtsi | 2 +
> arch/arm/mach-exynos/pm_domains.c | 125
> ++++++++++++++++++++
> 3 files changed, 141 insertions(+), 0 deletions(-)
>
> --
> 1.7.5.4
I think, you need to re-submit this after addressing comments from some
guys.
Thanks.
- Kukjin
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