Hi Viresh, Thank you for the review. On Tue, Dec 17, 2013 at 11:42 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote: > On 6 December 2013 15:18, Arun Kumar K <arun.kk@xxxxxxxxxxx> wrote: >> From: "Arjun.K.V" <arjun.kv@xxxxxxxxxxx> >> >> The patch adds cpufreq driver for exynos5420. >> >> Signed-off-by: Arjun.K.V <arjun.kv@xxxxxxxxxxx> >> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx> >> Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx> >> --- >> drivers/cpufreq/Kconfig.arm | 11 ++ >> drivers/cpufreq/Makefile | 1 + >> drivers/cpufreq/exynos-cpufreq.c | 2 + >> drivers/cpufreq/exynos-cpufreq.h | 8 + >> drivers/cpufreq/exynos5420-cpufreq.c | 346 ++++++++++++++++++++++++++++++++++ >> 5 files changed, 368 insertions(+) >> create mode 100644 drivers/cpufreq/exynos5420-cpufreq.c > > Hmm.. That's the second big LITTLE SoC after TC2.. > And we already have a generic enough driver for all big LITTLE platforms: > arm_big_little.c > > Please use that with a glue clk and regulator driver if required. We don't > want to get any new driver for big LITTLE unless there is a real limitation. > I missed this generic implementation and will try to see if the exynos5420 driver fits well with this framework. > Also, the generic big LITTLE driver supports IKS (In Kernel Switcher) > which may or maynot be used by Exynos. > Exynos uses IKS also. > @Lukasz: We can't use cpu0 driver here as we have multiple clusters here > A7 and A15, and so there are two clock domains instead of one. That's why > we have written big LITTLE driver. > > @Arun: And you logs must be a bit enhanced as well.. I knew 5420 is big > LITTLE but others may not.. And hence please provide a summary of your > platform whenever you add new drivers.. > Sure, I will provide more description. Regards Arun -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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