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Nicolas Boichat committed 98c8dccf2b2
spi: mediatek: single device does not require cs_gpios When only one device is present, it is not necessary to specify cs_gpios, as the CS line can be controlled by the hardware module. Without this patch, older device tree bindings used before 37457607 "spi: mediatek: mt8173 spi multiple devices support" would cause a panic on boot. This fixes the crash, and re-introduces backward compatibility. Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Acked-by: Leilk Liu <leilk.liu@mediatek.com> Signed-off-by: Mark Brown <broonie@kernel.org>