Re: [PATCH] ARM: OMAP3+: am33xx id: Add new am33xx specific function to check dev_feature

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Vaibhav Hiremath <hvaibhav@xxxxxx> writes:

> Layout of DEV_FEATURE register (offset = 0x604) is different
> between TI81xx and AM33xx device, so create separate function
> which will check for features available on specific AM33xx SoC
> and set the flags accordingly.
>
> Signed-off-by: Vaibhav Hiremath <hvaibhav@xxxxxx>

Minor nit below, otherwise...

Reviewed-by: Kevin Hilman <khilman@xxxxxxxxxx>

> ---
>  arch/arm/mach-omap2/control.h |    5 +++++
>  arch/arm/mach-omap2/id.c      |   13 +++++++++++++
>  arch/arm/mach-omap2/io.c      |    2 +-
>  arch/arm/mach-omap2/soc.h     |    1 +
>  4 files changed, 20 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
> index e6c3281..4acdfc5 100644
> --- a/arch/arm/mach-omap2/control.h
> +++ b/arch/arm/mach-omap2/control.h
> @@ -358,6 +358,11 @@
>  #define AM33XX_CONTROL_STATUS_SYSBOOT1_WIDTH		0x2
>  #define AM33XX_CONTROL_STATUS_SYSBOOT1_MASK		(0x3 << 22)
>  
> +/* DEV Feature register to identify AM33XX features */
> +#define AM33XX_DEV_FEATURE		0x604
> +#define AM33XX_SGX_SHIFT		29

You don't need the shift value anywhere in the code, so...

> +#define AM33XX_SGX_MASK			(1 << AM33XX_SGX_SHIFT)

#define AM33XX_SGX_MASK		BIT(29)

instead?

Otherwise, rest of patch looks fine.

Kevin
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