On Thu, Apr 04, 2019 at 05:14:10PM -0700, Sowjanya Komatineni wrote: > Some SPI Master controllers support configuring Least significant byte > first or Most significant byte first order for transfers. Also some SPI > slave devices expect bytes to be in Least significant first order and > some devices expect Most significant first order. > > SPI driver declares mode and mode_bits as u16 and all bits are used. > > This patch changes mode and mode_bits to be u32 to allow for more mode > configurations. > > This patch also creates SPI_LSBYTE_FIRST mode to allow SPI clients to > choose LSByte order or MSByte order through the device tree property > spi-lsbyte-first. Please submit one patch per change, each with a clear changelog, as covered in SubmittingPatches. This makes it much easier to review things since it's easier to tell if the patch does what it was intended to do and means that if one part of the patch casues problems it won't hold up the other parts.
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