[PATCH v4 1/6] spi: Implement spi_set_speed

[Heinrich Schuchardt]

On 10/5/22 14:18, Paul Barker wrote:
> This function is already defined in spi.h but no implementation of it
> currently exists in the tree. The implementation is based on the static
> function spi_set_speed_mode(). The function prototype is modified so
> that an success or error condition can be returned to the caller.
>
> Signed-off-by: Paul Barker<paul.barker at sancloud.com>

Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>