[PATCH] ATA: Add FSL sata v2 controller support

[Kumar Gala]

On Jan 17, 2011, at 5:58 AM, Aggrwal Poonam-B10812 wrote:

> 
> 
>> -----Original Message-----
>> From: linuxppc-dev-bounces+poonam.aggrwal=freescale.com at lists.ozlabs.org
>> [mailto:linuxppc-dev-
>> bounces+poonam.aggrwal=freescale.com at lists.ozlabs.org] On Behalf Of
>> Sergei Shtylyov
>> Sent: Monday, January 17, 2011 5:18 PM
>> To: Xu Lei-B33228
>> Cc: jgarzik at pobox.com; Gala Kumar-B11780; linuxppc-dev at lists.ozlabs.org;
>> linux-ide at vger.kernel.org
>> Subject: Re: [PATCH] ATA: Add FSL sata v2 controller support
>> 
>> Hello.
>> 
>> On 17-01-2011 10:10, Xulei wrote:
>> 
>>> In FSL sata v2 block, the snoop bit of PRDT Word3 description
>>> information is at bit28 instead of bit22.
>> 
>>> This patch adds FSL sata v2 probe and resolve this difference.
>> 
>>> Signed-off-by: Xulei <B33228 at freescale.com>
>> 
>>    AFAIK, full name is required.
>> 
>>> Signed-off-by: Roy Zang <tie-fei.zang at freescale.com>
>> [...]
>> 
>>> diff --git a/arch/powerpc/boot/dts/p1022ds.dts
>>> b/arch/powerpc/boot/dts/p1022ds.dts
>>> index 2bbecbb..9ad41dd 100644
>>> --- a/arch/powerpc/boot/dts/p1022ds.dts
>>> +++ b/arch/powerpc/boot/dts/p1022ds.dts
>>> @@ -475,14 +475,14 @@
>>>  		};
>>> 
>>>  		sata at 18000 {
>>> -			compatible = "fsl,mpc8536-sata", "fsl,pq-sata";
>>> +			compatible = "fsl,p1022-sata", "fsl,pq-sata-v2";
> 
> Can we fix this compatibity at run time by u-boot?

We can, but its not reason not to update the .dts as well.

- k