Re: [PATCHv3 2/6] arm: introduce config HAS_BANDGAP

From: Tony Lindgren
Date: Wed Jun 12 2013 - 13:07:43 EST


* Eduardo Valentin <eduardo.valentin@xxxxxx> [130607 13:53]:
> Bandgap is a device used to measure temperature on
> electronic equipments. It is widely used in digital
> integrated circuits. It is based on the dependency
> between silicon voltage and temperature.
>
> This patch introduce HAS_BANDGAP config entry.
> This config is a boolean value so that arch
> code can flag if they feature a bandgap device.
>
> This config entry follows the same idea behind
> ARCH_HAS_CPUFREQ.

I suggest you add this to Russell's patch system:

Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>

> Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
> Cc: Tony Lindgren <tony@xxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: Fabio Stevam <festevam@xxxxxxxxx>
> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxx>
> ---
> arch/arm/Kconfig | 3 +++
> arch/arm/mach-omap2/Kconfig | 1 +
> 2 files changed, 4 insertions(+)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index d423d58..bcbdec9 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -174,6 +174,9 @@ config ARCH_HAS_CPUFREQ
> and that the relevant menu configurations are displayed for
> it.
>
> +config ARCH_HAS_BANDGAP
> + bool
> +
> config GENERIC_HWEIGHT
> bool
> default y
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index f49cd51..8620ab5 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -4,6 +4,7 @@ config ARCH_OMAP
> config ARCH_OMAP2PLUS
> bool "TI OMAP2/3/4/5 SoCs with device tree support" if (ARCH_MULTI_V6 || ARCH_MULTI_V7)
> select ARCH_HAS_CPUFREQ
> + select ARCH_HAS_BANDGAP
> select ARCH_HAS_HOLES_MEMORYMODEL
> select ARCH_OMAP
> select ARCH_REQUIRE_GPIOLIB
> --
> 1.8.2.1.342.gfa7285d
>
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