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On some platforms, the GPIO value from the gpio_cd pin doesn't need to be inverted to get it active high. Add a cd_invert platform data parameter and change existing platforms using GPIO for CD (only Realview) to enable it. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>