Paul Kocialkowski
b3fe2e5167
spi: core: Only check bits_per_word validity when explicitly provided ...
On SPI device probe, the core will call spi_setup in spi_add_device
before the corresponding driver was probed. When this happens, the
bits_per_word member of the device is not yet set by the driver,
resulting in the default being set to 8 bits-per-word.
However some controllers do not support 8 bits-per-word at all, which
results in a failure when checking the bits-per-word validity.
In order to support these devices, skip the bits-per-word validity
check when it is not explicitly provided by drivers.
Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://lore.kernel.org/r/20220412122207.130181-1-paul.kocialkowski@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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b3fe2e5167