ARM: 6309/1: mmci: allow neither ->status nor gpio_cd to be specified
The card may be always present on the board, and for these cases neither a status callback nor a card detect GPIO is required, and card detection polling can be disabled. Acked-by: NLinus Walleij <linus.walleij@stericsson.com> Signed-off-by: NRabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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