I guess Windows didn't care about the command so neither did they
Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
diff -u --exclude-from /usr/src/exclude --new-file --recursive
linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c
linux-2.6.23-mm1/drivers/ata/libata-core.c
--- linux.vanilla-2.6.23-mm1/drivers/ata/libata-core.c 2007-10-15
15:03:26.000000000 +0100
+++ linux-2.6.23-mm1/drivers/ata/libata-core.c 2007-10-15 15:13:49.000000000
+0100
@@ -2884,6 +2894,14 @@
if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) &&
dev->pio_mode <= XFER_PIO_2)
err_mask &= ~AC_ERR_DEV;
+
+ /* Early MWDMA devices do DMA but don't allow DMA mode setting.
+ Don't fail an MWDMA0 set IFF the device indicates it is in MWDMA0 */
+ if (dev->xfer_shift == ATA_SHIFT_MWDMA &&
+ dev->dma_mode == XFER_MW_DMA_0 &&
+ (dev->id[63] >> 8) & 1)
+ err_mask &= ~AC_ERR_DEV;
+
if (err_mask) {
ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
"(err_mask=0x%x)\n", err_mask);
@@ -3985,9 +4003,6 @@
{ "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA },
{ "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
- { "IOMEGA ZIP 250 ATAPI", NULL, ATA_HORKAGE_NODMA }, /*
temporary fix */
- { "IOMEGA ZIP 250 ATAPI Floppy",
- NULL, ATA_HORKAGE_NODMA },
/* Odd clown on sil3726/4726 PMPs */
{ "Config Disk", NULL, ATA_HORKAGE_NODMA |
ATA_HORKAGE_SKIP_PM },
-
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