Re: [PATCH v8 14/15] cpufreq: Add module to register cpufreq on Krait CPUs

From: Gregory CLEMENT
Date: Tue Feb 27 2018 - 09:58:58 EST


Hi Sricharan,

On mar., fÃvr. 27 2018, Sricharan R <sricharan@xxxxxxxxxxxxxx> wrote:

> From: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
>
> Register a cpufreq-generic device whenever we detect that a
> "qcom,krait" compatible CPU is present in DT.
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> [Sricharan: updated to use dev_pm_opp_set_prop_name and
> nvmem apis]
> Signed-off-by: Sricharan R <sricharan@xxxxxxxxxxxxxx>
> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> ---
> drivers/cpufreq/Kconfig.arm | 10 ++
> drivers/cpufreq/Makefile | 3 +
> drivers/cpufreq/cpufreq-dt-platdev.c | 5 +
> drivers/cpufreq/qcom-cpufreq.c | 183 +++++++++++++++++++++++++++++++++++
> 4 files changed, 201 insertions(+)
> create mode 100644 drivers/cpufreq/qcom-cpufreq.c
>
> diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
> index 3a88e33..826f9e7 100644
> --- a/drivers/cpufreq/Kconfig.arm
> +++ b/drivers/cpufreq/Kconfig.arm
> @@ -133,6 +133,16 @@ config ARM_OMAP2PLUS_CPUFREQ
> depends on ARCH_OMAP2PLUS
> default ARCH_OMAP2PLUS
>
> +config ARM_QCOM_CPUFREQ
> + bool "CPUfreq driver for the QCOM SoCs with KRAIT processors"
> + depends on ARCH_QCOM
> + select PM_OPP
> + help
> + This enables the CPUFreq driver for Qualcomm SoCs with
> + KRAIT processors.
> +
> + If in doubt, say N.
> +
> config ARM_S3C_CPUFREQ
> bool
> help
> diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
> index c60c1e1..21894f6 100644
> --- a/drivers/cpufreq/Makefile
> +++ b/drivers/cpufreq/Makefile
> @@ -65,6 +65,9 @@ obj-$(CONFIG_MACH_MVEBU_V7) += mvebu-cpufreq.o
> obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
> obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o
> obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o
> +obj-$(CONFIG_ARM_QCOM_CPUFREQ) += qcom-cpufreq.o

These 2 following lines don't seem related to the commit log:
> +obj-$(CONFIG_ARM_S3C24XX_CPUFREQ) += s3c24xx-cpufreq.o
> +obj-$(CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS) += s3c24xx-cpufreq-debugfs.o

Gregory

> obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o
> obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-cpufreq.o
> obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o
--
Gregory Clement, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
http://bootlin.com