On Wed, Aug 02, 2017 at 02:48:42PM +0200, Simon Horman wrote:
> Provide a whitelist for Gen3 SoC ES versions for both the SYS DMAC and
> internal DMAC variants of the SDHI driver. This is to allow drivers to
> only initialise for Gen3 SoC ES versions for which they are the appropriate
> DMAC implementation. Currently internal DMAC is the appropriate
> implementation for all supported Gen3 SoC ES versions.
>
> Signed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> +/*
> + * Whitelist of specific R-Car Gen3 SoC ES versions to use this DMAC
> + * implementation. Currently empty as all supported ES versions use
> + * the internal DMAC.
> + */
> +static const struct soc_device_attribute gen3_soc_whitelist[] = {
> + { /* sentinel */ }
> +};
It may look strange to add an empty list, but I think it is worth it. We
have good reasons to believe the soc_device_match distinction is
necessary and I think it is good to be clear from the beginning how we
want to deal with the differences.
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