Date: Wed, 2 Apr 2014 11:16:55 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: balbi@ti.com, Grygorii Strashko <grygorii.strashko@ti.com>,
        Kishon Vijay Abraham I <kishon@ti.com>, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH][next] phy: core: make NULL a valid phy reference if
 !CONFIG_GENERIC_PHY
Message-ID: <20140402181655.GB23998@kroah.com>
References: <1394709073-1980-1-git-send-email-grygorii.strashko@ti.com>
 <20140313152024.GF4599@saruman.home>
 <20140313214450.GG27355@saruman.home>
 <533C4E8F.20306@ti.com>
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On Wed, Apr 02, 2014 at 01:53:19PM -0400, Santosh Shilimkar wrote:
> 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 <kishon@ti.com>
> >>> CC: Felipe Balbi <balbi@ti.com>
> >>> CC: Santosh Shilimkar <santosh.shilimkar@ti.com>
> >>> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
> >>
> >> nice :-)
> >>
> >> Acked-by: Felipe Balbi <balbi@ti.com>
> > 
> > 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 ?

3.14 is long released, the merge window for that was months ago.

greg k-h
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