[PATCH] ATA: Add FSL sata v2 controller support

[Zang Roy-R61911]

> -----Original Message-----
> From: Sergei Shtylyov [mailto:sshtylyov at mvista.com]
> Sent: Tuesday, January 18, 2011 19:27 PM
> To: Zang Roy-R61911
> Cc: Sergei Shtylyov; Xu Lei-B33228; linuxppc-dev at lists.ozlabs.org; Gala Kumar-
> B11780; jgarzik at pobox.com; linux-ide at vger.kernel.org
> Subject: Re: [PATCH] ATA: Add FSL sata v2 controller support
> 
> Hello.
> 
> On 18-01-2011 6:01, Zang Roy-R61911 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>
> 
> > [snip]
> 
> >>> 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";
> >>>    			reg =<0x18000 0x1000>;
> >>>    			cell-index =<1>;
> >>>    			interrupts =<74 0x2>;
> >>>    		};
> >>>
> >>>    		sata at 19000 {
> >>> -			compatible = "fsl,mpc8536-sata", "fsl,pq-sata";
> >>> +			compatible = "fsl,p1022-sata", "fsl,pq-sata-v2";
> >>>    			reg =<0x19000 0x1000>;
> >>>    			cell-index =<2>;
> >>>    			interrupts =<41 0x2>;
> 
> >>      Please put this into the separate patch and push thru the PPC tree.
> 
> > I agree to put to them to separate patches, but should we
> > pull in the separate patches to one candidate tree to make
> > the function work?
> 
>     I don't understand. What is "candidate tree"?

Powerpc or ide git repository for upstream to mainline.
It is odd that patches for one function in different trees.
Thanks.
Roy