On 13 September 2016 at 17:59, Chris Brandt <chris.bra...@renesas.com> wrote:
> Hello Uffe
> Thank you for your reply.
> On 9/13/2016, Ulf Hansson wrote:
>> Because, if you have an external regulator feeding the mmc with power you
>> should set it up and use it.
> But in many board designs, there is no control over the regulator supply (or
> you would rather have your bootloader do that, not the kernel).
> So what this patch is doing is setting it to a default of 3.3v (for just this
> SoC) and if someone wants to add a regulator in the board's DT file, that
> will override the ocr_mask set by the driver.
That's perfectly okay to me! I just wanted to get clear picture of
*why* this change was needed.
> I'm assuming I'll have to do the same for MMC (sh_mmcif.c) once I get to that
> driver (I need to find my MMC PLUS card first for testing).