Hi Niklas,

thanks for the review!

> > +		ret = mmc_send_tuning(host->mmc, opcode, NULL);
> > +		if (ret == 0)
> 
> The variable ret is only used here after the refactor so you could 
> possibly drop it and just check mmc_send_tuning() == 0. With or without 

Yeah, makes sense. I will fix it.

Regards,

   Wolfram