On Thu, Jan 18, 2018 at 01:28:06AM +0900, Masahiro Yamada wrote: > This IP provides the write protect signal level in the status > register, but it is also possible to use GPIO for WP. They are > exclusive, so it is not efficient to call mmc_gpio_get_ro() every > time from tmio_mmc_get_ro() if we know gpio_ro is not used. > > Check the capability of gpio_ro just once in the probe function, > then set mmc_gpio_get_ro to .get_ro if it is the case. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
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