linux-kernel - Re: [PATCH v3 0/2] phy: rcar-gen2, rcar-gen3-usb2: add fallback binding

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Date:	Thu, 7 Apr 2016 15:17:36 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Simon Horman <horms@...ge.net.au>
CC:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
	Magnus Damm <magnus.damm@...il.com>,
	<linux-kernel@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v3 0/2] phy: rcar-gen2, rcar-gen3-usb2: add fallback
 binding

Hi,

On Friday 25 March 2016 07:39 AM, Simon Horman wrote:
> On Mon, Mar 07, 2016 at 10:58:39AM +0900, Simon Horman wrote:
>> Add fallback compatibility strings for rcar phy drivers.
>>
>> In the case of Renesas R-Car hardware we know that there are generations of
>> SoCs, e.g. Gen 2 and Gen 3. But beyond that its not clear what the
>> relationship between IP blocks might be. For example, I believe that
>> r8a7790 is older than r8a7791 but that doesn't imply that the latter is a
>> descendant of the former or vice versa.
>>
>> We can, however, by examining the documentation and behaviour of the
>> hardware at run-time observe that the current driver implementation appears
>> to be compatible with the IP blocks on SoCs within a given generation.
>>
>> For the above reasons and convenience when enabling new SoCs a
>> per-generation fallback compatibility string scheme being adopted for
>> drivers for Renesas SoCs.
> 
> Hi Kishon,
> 
> I am wondering if you could consider applying this series.

This doesn't appear to be a fix. So will be queuing this for the next merge window.

Thanks
Kishon

> 
> Thanks!
> 
>>
>> Changes in v3:
>> * Added Acks
>> * Corrected whitespace in examples
>>
>> Changes in v2:
>> * Update new compatibility strings to match the preferred scheme for
>>   ordering elements
>> * Rebase
>>
>> Simon Horman (2):
>>   phy: rcar-gen2: add fallback binding
>>   phy: rcar-gen3-usb2: add fallback binding
>>
>>  Documentation/devicetree/bindings/phy/rcar-gen2-phy.txt      |  8 +++++++-
>>  Documentation/devicetree/bindings/phy/rcar-gen3-phy-usb2.txt | 10 ++++++++--
>>  drivers/phy/phy-rcar-gen2.c                                  |  1 +
>>  drivers/phy/phy-rcar-gen3-usb2.c                             |  1 +
>>  4 files changed, 17 insertions(+), 3 deletions(-)
>>
>> -- 
>> 2.1.4
>>