basic_mmio_gpio: request register regions
Make sure that we get the register regions with request_mem_region() before ioremap() to make sure we have exclusive access. Signed-off-by: NJamie Iles <jamie@jamieiles.com> Acked-by: NAnton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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