Attachment 156482 Details for Bug 242472 – Fix rev C3/C4 UDMA speed limits

[patch] Fix rev C3/C4 UDMA speed limits

a1 (text/plain), 1.35 KB, created by Alan Cox on 2007-06-07 16:31:29 UTC

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Creator: Alan Cox

Created: 2007-06-07 16:31:29 UTC

Size: 1.35 KB

patch

obsolete

>--- linux-2.6.22-rc4/drivers/ata/pata_ali.c	2007-06-04 23:05:17.000000000 -0700
>+++ devel/drivers/ata/pata_ali.c	2007-06-06 20:49:03.000000000 -0700
>@@ -544,34 +628,34 @@ static int ali_init_one(struct pci_dev *
> 	/* Revision 0xC2 adds UDMA66 */
> 	static const struct ata_port_info info_c2 = {
> 		.sht = &ali_sht,
>		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48,
> 		.pio_mask = 0x1f,
> 		.mwdma_mask = 0x07,
> 		.udma_mask = 0x1f,
> 		.port_ops = &ali_c2_port_ops
> 	};
>-	/* Revision 0xC3 is UDMA100 */
>+	/* Revision 0xC3 is UDMA66 for now */
> 	static const struct ata_port_info info_c3 = {
> 		.sht = &ali_sht,
>		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48,
> 		.pio_mask = 0x1f,
> 		.mwdma_mask = 0x07,
>-		.udma_mask = 0x3f,
>+		.udma_mask = 0x1f,
> 		.port_ops = &ali_c2_port_ops
> 	};
>-	/* Revision 0xC4 is UDMA133 */
>+	/* Revision 0xC4 is UDMA100 */
> 	static const struct ata_port_info info_c4 = {
> 		.sht = &ali_sht,
>		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST | ATA_FLAG_PIO_LBA48,
> 		.pio_mask = 0x1f,
> 		.mwdma_mask = 0x07,
>-		.udma_mask = 0x7f,
>+		.udma_mask = 0x3f,
> 		.port_ops = &ali_c2_port_ops
> 	};
> 	/* Revision 0xC5 is UDMA133 with LBA48 DMA */
> 	static const struct ata_port_info info_c5 = {
> 		.sht = &ali_sht,
>		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
> 		.pio_mask = 0x1f,
> 		.mwdma_mask = 0x07,
> 		.udma_mask = 0x7f,

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