On Fri, Nov 01, 2024 at 03:25:04PM +0100, Janne Grunau via B4 Relay wrote: > transfer, most of which we do not use right now. Hardware CS control > is available, but we haven't found a way to make it stay low across > multiple logical transfers, so we just use software CS control for now. It is extremely common for hardware CS control to not support multiple transfers, I wouldn't be surprised if it's simply not possible. We could potentially use it with compatible messages it seems dubious that it'd be worth the time/effort of checking and using it only some of the time. > +++ b/drivers/spi/spi-apple.c > @@ -0,0 +1,531 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Apple SoC SPI device driver > + * Please make the entire comment block a C++ one so things look more intentional.
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