gpio: rcar_gen3: Fix GPIO read support
This patch fixes to read the GPIO status after confirming the INOUT setting. Signed-off-by: NKouei Abe <kouei.abe.cp@renesas.com> Signed-off-by: NHiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com> Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> Cc: Tom Rini <trini@konsulko.com>
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