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This writing code is equivalent to the spi_write() helper in the SPI framework. Insert a comment that this will always work fine since SPI buffers are in native endianness. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Stephan Gerhold <stephan@gerhold.net> Cc: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20201110234653.2248594-2-linus.walleij@linaro.org