Subject: [PATCH][next] phy: core: make NULL a valid phy reference if !CONFIG_GENERIC_PHY

From: [email-masked] (Santosh Shilimkar)
Date: Wed, 2 Apr 2014 13:53:19 -0400

On Thursday 13 March 2014 05:44 PM, Felipe Balbi wrote:
> Hi,
> 
> On Thu, Mar 13, 2014 at 10:20:24AM -0500, Felipe Balbi wrote:
>> On Thu, Mar 13, 2014 at 01:11:13PM +0200, Grygorii Strashko wrote:
>>> This fixes a regression on Keystone 2 platforms caused by patch
>>> 57303488cd37da58263e842de134dc65f7c626d5
>>> "usb: dwc3: adapt dwc3 core to use Generic PHY Framework" which adds
>>> optional support of generic phy in DWC3 core.
>>>
>>> On Keystone 2 platforms the USB is not working now because
>>> CONFIG_GENERIC_PHY isn't set and, as result, Generic PHY APIs stubs
>>> return -ENOSYS always. The log shows:
>>>  dwc3 2690000.dwc3: failed to initialize core
>>>  dwc3: probe of 2690000.dwc3 failed with error -38
>>>
>>> Hence, fix it by making NULL a valid phy reference in Generic PHY
>>> APIs stubs in the same way as it was done by the patch
>>> 04c2facad8fee66c981a51852806d8923336f362 "drivers: phy: Make NULL
>>> a valid phy reference".
>>>
>>> CC: Kishon Vijay Abraham I <[email-masked]>
>>> CC: Felipe Balbi <[email-masked]>
>>> CC: Santosh Shilimkar <[email-masked]>
>>> Signed-off-by: Grygorii Strashko <[email-masked]>
>>
>> nice :-)
>>
>> Acked-by: Felipe Balbi <[email-masked]>
> 
> Greg, if your tree isn't closed yet, could you consider this patch still
> for v3.15 merge window ? Grygorii found a regression on Keystone
> platforms which this patch fixes. Let me know if you need the original
> patch and myself or Kishon can send it to you.
> 
Just checking whether the fix was picked up for the 3.14 merge window ?

Regards,
Santosh