spi: rspi: Add support for LSB-first word order
authorGeert Uytterhoeven <geert+renesas@glider.be>
Tue, 18 Feb 2020 10:58:09 +0000 (11:58 +0100)
committerMark Brown <broonie@kernel.org>
Wed, 19 Feb 2020 00:08:24 +0000 (00:08 +0000)
commitc046f8fd83a902866ba3b122e9f57ca1c7de898c
treeabe53b8d654ea8916dd0e452b71c729f42826a12
parentcd982e6c44a7265e1c7e92de4f696c3b3b376e93
spi: rspi: Add support for LSB-first word order

All RSPI variants support selecting the word order.
Advertize support for LSB-first order, and act upon the flag being set.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200218105810.902-3-geert+renesas@glider.be
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-rspi.c