spi: sprd: fill offset only to RD_CMD register for reading from slave device

RD_CMD can accept slave address offset only, higher bits are reserved.
Writing the whole slave address including slave base seems unnecessary.

Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lore.kernel.org/r/20210824070212.2089255-3-zhang.lyra@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Chunyan Zhang 2021-08-24 15:02:12 +08:00 • committed by Mark Brown
commit f674aacd50
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