linux-kernel - Re: [PATCH v5 0/6] Make dwc3 use Generic PHY Framework

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Message-ID: <5315D5AD.7070501@ti.com>
Date:	Tue, 4 Mar 2014 19:01:25 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	<balbi@...com>
CC:	<bcousson@...libre.com>, <devicetree@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-usb@...r.kernel.org>, <george.cherian@...com>,
	<heikki.krogerus@...ux.intel.com>, <rogerq@...com>,
	<rob.herring@...xeda.com>, <pawel.moll@....com>,
	<mark.rutland@....com>, <swarren@...dotorg.org>,
	<ijc+devicetree@...lion.org.uk>, <rob@...dley.net>,
	<tony@...mide.com>, <linux@....linux.org.uk>,
	<gregkh@...uxfoundation.org>, <grant.likely@...aro.org>,
	<s.nawrocki@...sung.com>, <galak@...eaurora.org>
Subject: Re: [PATCH v5 0/6] Make dwc3 use Generic PHY Framework


On Monday 03 March 2014 10:10 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Mar 03, 2014 at 05:08:09PM +0530, Kishon Vijay Abraham I wrote:
>> Added support for optional PHY in dwc3 as not all SoCs having PHYs for DWC3
>> should be programmed. While this can be considered as a temporary fix,
>> a long term solution would be to add 'nop' PHY for platforms that does
>> not have programmable PHY.
>> Adapted DWC3 and USB3 PHY to use Generic PHY framework. Also changed the
>> name of USB3 PHY driver to PIPE3 PHY driver since the same driver has to
>> be used for SATA and PCIE too.
>>
>> Changes from v4: (sending the entire patch series again)
>> * check the return values of phy_init and phy_power_on
>> * print errors if power_on or power_off of PHY fails.
>>
>> Changes from v3: (Sent only adapt dwc3 core to use Generic PHY Framework)
>> * avoided using quirks and rely on the return values of PHY APIs to find the
>> presence of PHY.
>>
>> Changes from v2:
>> * added a couple of fixes. One is invoking phy_resume after phy_init and the
>> other is power off phy in error patch
>> * used quirks to identify if a particular platform does not have PHYs
>> * removed using separate header for pipe3 driver and also removed all referencs
>> to SATA and PCIe in pipe3 driver since it's not yet adapted for those drivers.
>>
>> Changes from v1:
>> * The logic in which the driver detects the presence of PHYs has changed.
>> * patch ordering has changed
>> * udelay is replaced with usleep_range
>> * A patch to remove set_suspend callback which was deferred from Generic
>> PHY Framework series has been included.
>>
>> Kishon Vijay Abraham I (6):
>>    usb: dwc3: core: support optional PHYs
>>    usb: dwc3: adapt dwc3 core to use Generic PHY Framework
>>    drivers: phy: usb3/pipe3: Adapt pipe3 driver to Generic PHY Framework
>>    usb: phy: omap-usb2: remove *set_suspend* callback from omap-usb2
>>    phy: omap-usb2: move omap_usb.h from linux/usb/ to linux/phy/
>>    arm/dts: added dt properties to adapt to the new phy framwork
>
> patches 1 and 2 are in my testing/next, I guess 3,4,5 and 6 have no
> direct dependency on those, right ?

that's right. I'll take 3, 4 and 5th patch in my tree and ping Tony to 
take 6th patch.

-Kishon
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