memory: atmel-sdramc: fix a possible NULL dereference
of_match_device could return NULL, and so cause a NULL pointer dereference later. For fixing this problem, we use of_device_get_match_data(), this will simplify the code a little by using a standard function for getting the match data. Signed-off-by:LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by:
Alexandre Belloni <alexandre.belloni@free-electrons.com>
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