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SubjectRe: [PATCH v1 1/3] phy: phy-core: allow specifying supply at port level
Hi,

On Thursday 26 March 2015 03:47 AM, Dmitry Torokhov wrote:
> On Wed, Mar 25, 2015 at 3:11 PM, Kishon Vijay Abraham I <kishon@ti.com> wrote:
>> Hi,
>>
>> On Saturday 21 March 2015 02:55 AM, Arun Ramamurthy wrote:
>>> Multi-port phy's may have per-port power supplies. Let's change phy core
>>> to first attempt to look up the supply at the port level, and then, if
>>> not found, check parent device.
>>
>> Why not just have every port provide the power supply if it needs?
>> I don't think checking for parent device should be present in the phy-core at
>> all.
>
> We need to do that if we want to keep compatibility with the current
> DTSes: before this patch the supply would be always looked up on
> device and not port level.

ah okay.
so just using regulator_get_optional(&phy->dev, "phy"); should be sufficient
right? Why do we need regulator_get_optional(phy->dev.parent, "phy");?

Thanks
Kishon


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