On Tue, Mar 12, 2019 at 11:12:02AM +0100, Volker Haspel wrote:
> Changes since v1:
>  * use devm_spi_register_controller() instead of calling
>    spi_unregister_controller() in the remove function

Please don't send cover letters for single patches, if there is anything
that needs saying put it in the changelog of the patch or after the ---
if it's administrative stuff.  This reduces mail volume and ensures that 
any important information is recorded in the changelog rather than being
lost.