From mboxrd@z Thu Jan 1 00:00:00 1970 From: myungjoo.ham@gmail.com (MyungJoo Ham) Date: Thu, 10 Nov 2011 14:52:24 +0900 Subject: [PATCH 1/3] ARM: EXYNOS: Add ASV feature for Exynos4 series In-Reply-To: <1319677938-25732-2-git-send-email-boyko.lee@samsung.com> References: <1319677938-25732-1-git-send-email-boyko.lee@samsung.com> <1319677938-25732-2-git-send-email-boyko.lee@samsung.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Oct 27, 2011 at 10:12 AM, Jongpill Lee wrote: > This patch adds ASV feature for exynos4 seires. > Asv(Adoptive support voltage) feature support to get spec of SoC. > And we can use to adjust voltage for operation SoC usign by ASV result. > > Signed-off-by: Jongpill Lee > --- > ?arch/arm/mach-exynos4/Makefile ? ? ? ? ? | ? ?2 +- > ?arch/arm/mach-exynos4/asv.c ? ? ? ? ? ? ?| ? 78 ++++++++++++++++++++++++++++++ > ?arch/arm/mach-exynos4/include/mach/asv.h | ? 42 ++++++++++++++++ > ?3 files changed, 121 insertions(+), 1 deletions(-) > ?create mode 100644 arch/arm/mach-exynos4/asv.c > ?create mode 100644 arch/arm/mach-exynos4/include/mach/asv.h > Hello, As long as we have in our hands, we can have the ASV value stored at the common place declared by this asv.h rather than at INFORM2 as I've mentioned before at another thread. This location seems the perfect location for the purpose. Besides, now, with Exynos4x12s, I start to hear cases where all the INFORMx registers are fully used; thus, it seems that it's time to remove unnecessary usage of the registers. Cheers! MyungJoo -- MyungJoo Ham, Ph.D. Mobile Software Platform Lab, DMC Business, Samsung Electronics