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authorTejun Heo <htejun@gmail.com>2007-06-27 02:49:38 +0900
committerJeff Garzik <jeff@garzik.org>2007-06-27 02:50:08 -0400
commit40a1d531f6c894b298e784fd2090d87633e4989a (patch)
tree2113cae781e8162de10ff1bd17733d423cef0e32 /drivers/ata/libata-core.c
parentb9a4197e266a40d5d1d16c9fb2a852cf10743afe (diff)
downloadop-kernel-dev-40a1d531f6c894b298e784fd2090d87633e4989a.zip
op-kernel-dev-40a1d531f6c894b298e784fd2090d87633e4989a.tar.gz
libata: kill ATA_HORKAGE_DMA_RW_ONLY
ATA_HORKAGE_DMA_RW_ONLY for TORiSAN is verified to be subset of using DMA for ATAPI commands which aren't aligned to 16 bytes. As libata now doesn't use DMA for unaligned ATAPI commands, the horkage is redundant. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 094b518..bfc59a1 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2046,10 +2046,6 @@ int ata_dev_configure(struct ata_device *dev)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
dev->max_sectors);
- /* limit ATAPI DMA to R/W commands only */
- if (ata_device_blacklisted(dev) & ATA_HORKAGE_DMA_RW_ONLY)
- dev->horkage |= ATA_HORKAGE_DMA_RW_ONLY;
-
if (ap->ops->dev_config)
ap->ops->dev_config(dev);
@@ -3780,8 +3776,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "IOMEGA ZIP 250 ATAPI", NULL, ATA_HORKAGE_NODMA }, /* temporary fix */
/* Weird ATAPI devices */
- { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 |
- ATA_HORKAGE_DMA_RW_ONLY },
+ { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
/* Devices we expect to fail diagnostics */
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