mmc: core: Add helper function for EXT_CSD support
authorUlf Hansson <ulf.hansson@linaro.org>
Mon, 20 Oct 2014 09:33:53 +0000 (11:33 +0200)
committerUlf Hansson <ulf.hansson@linaro.org>
Mon, 10 Nov 2014 11:40:41 +0000 (12:40 +0100)
The helper function mmc_can_ext_csd() will return a positive value if
the card supports the EXT_CSD register. Start using it at relavant
places in the mmc core.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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