spi: spi-mem: Add a packed command operation

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Instead of repeating the command opcode twice, some flash devices try to
pack command and address bits. In this case, the second opcode byte
being sent (LSB) is free to be used. The input data must be ANDed to
only provide the relevant bits.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://patch.msgid.link/20260410-winbond-6-19-rc1-oddr-v1-2-2ac4827a3868@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>

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Miquel Raynal 2026-04-10 19:41:02 +02:00 • committed by Mark Brown

parent 5e75c1d4d3

commit f79ee9e4b2

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include/linux/spi/spi-mem.h

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