Re: [PATCH] mmci: supply per-instance regulator name

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On Thu, Dec 02, 2010 at 12:03:18PM +0000, Mark Brown wrote:
> On Thu, Dec 02, 2010 at 12:35:07PM +0100, Linus Walleij wrote:
> > On the Ux500 we have different regulators to different card slots
> > and eMMCs, and some have no regulator. Move the hardcoded "vmmc"
> > regulator name to platform data and supply it that way for the
> 
> You should never be passing regulator names through platform data, this
> appears to be broken.  You should be using the struct device to
> distingish between multiple instances and using whatever the actual
> supply names are for multiple supplies on the same device.
> 
> Looking at this without seeing the datasheet I'd expect these would end
> up as vmmcn for suitable values of n.

The way the MMCI code is, it only requests one regulator per AMBA
device, and therefore only one regulator per struct device.  So I
don't think the current code needs changing in any way provided the
struct device is used to find the corresponding regulator.
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