spi: dw: Set default value if reg-io-width isn't specified
authorKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Mon, 7 Aug 2023 00:16:21 +0000 (09:16 +0900)
committerMark Brown <broonie@kernel.org>
Tue, 8 Aug 2023 12:59:26 +0000 (13:59 +0100)
commit2ca03ecc9c8556e913aef6f381154721dec4e44b
tree24b9a244d03d18c1e5cf9ccd37cc4c9356db8f63
parentf9a798867b15b906aa0637d8efb8f6d7ed188291
spi: dw: Set default value if reg-io-width isn't specified

According to the dt-bindings, the default value of reg-io-width is 4.
However, the value becomes zero when reg-io-width isn't specified.

Should set the actual value to dws->reg_io_width, considering it
referenced.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20230807001621.196776-1-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-dw-mmio.c