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Date: Thu, 13 Mar 2014 10:20:24 -0500
From: Felipe Balbi <balbi@ti.com>
To: Grygorii Strashko <grygorii.strashko@ti.com>
CC: Kishon Vijay Abraham I <kishon@ti.com>, <linux-kernel@vger.kernel.org>,
        <linux-usb@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
        Felipe Balbi <balbi@ti.com>,
        Santosh Shilimkar <santosh.shilimkar@ti.com>
Subject: Re: [PATCH][next] phy: core: make NULL a valid phy reference if
 !CONFIG_GENERIC_PHY
Message-ID: <20140313152024.GF4599@saruman.home>
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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.
>=20
> 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
>=20
> 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".
>=20
> 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>

--=20
balbi

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