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Red Hat Bugzilla – Attachment 156482 Details for
Bug 242472
[pata_ali] libata / pata_ali doesn't work my old laptop PC
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[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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Description:
Fix rev C3/C4 UDMA speed limits
Filename:
MIME Type:
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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