[PATCH 05/10] drm/tinydrm: Clean up tinydrm_spi_transfer()

[David Lechner]

On 7/17/19 6:58 AM, Noralf Trønnes wrote:
> Prep work before moving the function to mipi-dbi.
> 
> tinydrm_spi_transfer() was made to support one class of drivers in
> drivers/staging/fbtft that has not been converted to DRM yet, so strip
> away the unused functionality:
> - Start byte (header) is not used.
> - No driver relies on the automatic 16-bit byte swapping on little endian
>    machines with SPI controllers only supporting 8 bits per word.
> 
> Other changes:
> - No need to initialize ret
> - No need for the WARN since mipi-dbi only uses 8 and 16 bpw.
> - Use spi_message_init_with_transfers()
> 
> Cc: David Lechner <david at lechnology.com>
> Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
> ---

Acked-by: : David Lechner <david at lechnology.com>