On Sat, Nov 25, 2017 at 01:24:44AM +0900, Masahiro Yamada wrote: > To use a GPIO line for card detection, TMIO_MMC_USE_GPIO_CD is set > by a legacy board (arch/sh/boards/mach-ecovec24). > > For DT platforms, the "cd-gpios" property is a legitimate way for that > in case the IP-builtin card detection can not be used for some reason. > mmc_of_parse() calls mmc_gpiod_request_cd() to set up ctx->cd_gpio if > the "cd-gpios" property is specified. > > To cater to both cases, mmc_can_gpio_cd() is a correct way to check > which card detection logic is used. > > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> My gut feeling is that your patch is correct, but I need to have another look at this native_hotplug code with a fresh brain and take your other patches into account as well then, too.
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