mmc: android-goldfish: Drop pointer to mmc_host from goldfish_mmc_host
The driver for android-goldfish uses a pointer to get from the private goldfish_mmc_host structure to the generic mmc_host structure. However the latter is always immediately preceding the former in memory, so compute its address with a subtraction (which is cheaper than a dereference) and drop the superfluous pointer. No functional change intended. Signed-off-by: Kamlesh Gurudasani <kamlesh.gurudasani@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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