[PATCH 3/4] spi: bcm2835aux: set up spi-mode before asserting cs-gpio
broonie at kernel.org
Wed Feb 10 11:02:04 PST 2016
On Wed, Feb 10, 2016 at 10:59:29AM -0800, Eric Anholt wrote:
> Oops, this makes more sense now. Subject even mentioned gpio, and a
> GPIO CS must be getting set around the transfer_one call. I'll be ready
> to send an r-b for a v2 with the speed update bug fixed (unless transfer
> speeds are guaranteed to be constant between a prepare and unprepare).
No guarantee that they'll not change, especially in a situation where we
have two devices on different speeds on a bus working at the same time.
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