Re: [PATCH] usb: phy: msm: Select secondary PHY via TCSR

From: Tim Bird
Date: Mon Apr 21 2014 - 13:03:38 EST


On Mon, Apr 21, 2014 at 9:14 AM, Felipe Balbi <balbi@xxxxxx> wrote:
> Hi,
>
> On Fri, Apr 04, 2014 at 03:18:11PM -0700, Tim Bird wrote:
>> Select the secondary PHY using the TCSR register, if phy-num=1
>> in the DTS (or phy_number is set in the platform data). The
>> SOC has 2 PHYs which can be used with the OTG port, and this
>> code allows configuring the correct one.
>>
>> Note: This resolves the problem I was seeing where I couldn't
>> get the USB driver working at all on a dragonboard, from cold
>> boot. This patch depends on patch 5/14 from Ivan's msm USB
>> patch set. It does not use DT for the register address, as
>> there's no evidence that this address changes between SoC
>> versions.
>>
>> Signed-off-by: Tim Bird <tim.bird@xxxxxxxxxxxxxx>
>
> doesn't apply:
>
> checking file drivers/usb/phy/phy-msm-usb.c
> Hunk #1 succeeded at 1412 with fuzz 2 (offset -106 lines).
> Hunk #2 FAILED at 1581.
> 1 out of 2 hunks FAILED
> checking file include/linux/usb/msm_hsusb_hw.h

Sorry about that.

Did you apply this on top of Ivan's USB patch set? That's a pre-requisite.

I've communicated privately with Ivan, and he's preparing an updated
patch set which incorporates this fix and a few other things. This should
be showing up soon-ish.
-- Tim

Senior Software Engineer, Sony Mobile
Architecture Group Chair, CE Workgroup, Linux Foundation
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