Thread (10 messages) 10 messages, 6 authors, 2011-01-19

RE: [PATCH] ATA: Add FSL sata v2 controller support

From: Aggrwal Poonam-B10812 <hidden>
Date: 2011-01-17 11:58:56
Also in: linuxppc-dev

-----Original Message-----
From: linuxppc-dev-bounces+poonam.aggrwal=freescale.com@lists.ozlabs.org
[mailto:linuxppc-dev-
bounces+poonam.aggrwal=freescale.com@lists.ozlabs.org] On Behalf Of
Sergei Shtylyov
Sent: Monday, January 17, 2011 5:18 PM
To: Xu Lei-B33228
Cc: jgarzik@pobox.com; Gala Kumar-B11780; linuxppc-dev@lists.ozlabs.org;
linux-ide@vger.kernel.org
Subject: Re: [PATCH] ATA: Add FSL sata v2 controller support

Hello.

On 17-01-2011 10:10, Xulei wrote:
quoted
In FSL sata v2 block, the snoop bit of PRDT Word3 description
information is at bit28 instead of bit22.
quoted
This patch adds FSL sata v2 probe and resolve this difference.
quoted
Signed-off-by: Xulei <redacted>
    AFAIK, full name is required.
quoted
Signed-off-by: Roy Zang <redacted>
[...]
quoted
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@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?
quoted
  			reg =<0x18000 0x1000>;
  			cell-index =<1>;
  			interrupts =<74 0x2>;
  		};

  		sata@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.
quoted
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index
b0214d0..a56399a 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
[...]
quoted
@@ -417,7 +420,8 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd
*qc)

  	if (qc->flags&  ATA_QCFLAG_DMAMAP)
  		num_prde = sata_fsl_fill_sg(qc, (void *)cd,
-					&ttl_dwords, cd_paddr);
+					&ttl_dwords, cd_paddr,
+					    host_priv->data_snoop);
    Please align these lines uniformly.

WBR, Sergei
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