ide: add IDE_HFLAG_NO_ATAPI_DMA host flag
Add IDE_HFLAG_NO_ATAPI_DMA host flag and set it in host drivers which
don't support ATAPI DMA. Then remove no longer needed hwif->atapi_dma.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index e4875ce..3af33fb 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -415,7 +415,6 @@
static void icside_dma_init(ide_hwif_t *hwif)
{
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 7; /* MW0..2 */
hwif->swdma_mask = 7; /* SW0..2 */
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 06c75f1..9a96a10 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -805,6 +805,7 @@
hwif->dma_host_on = &cris_dma_on;
hwif->dma_off_quietly = &cris_dma_off;
hwif->cbl = ATA_CBL_PATA40;
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
hwif->pio_mask = ATA_PIO4,
hwif->drives[0].autotune = 1;
hwif->drives[1].autotune = 1;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index bc57ce6..80b4f17 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -338,8 +338,10 @@
ide_hwif_t *hwif = drive->hwif;
struct hd_driveid *id = drive->id;
- if (drive->media != ide_disk && hwif->atapi_dma == 0)
- return 0;
+ if (drive->media != ide_disk) {
+ if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
+ return -1;
+ }
/*
* Enable DMA on any drive that has
@@ -726,8 +728,10 @@
int x, i;
u8 mode = 0;
- if (drive->media != ide_disk && hwif->atapi_dma == 0)
- return 0;
+ if (drive->media != ide_disk) {
+ if (hwif->host_flags & IDE_HFLAG_NO_ATAPI_DMA)
+ return 0;
+ }
for (i = 0; i < ARRAY_SIZE(xfer_mode_bases); i++) {
if (req_mode < xfer_mode_bases[i])
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 5b09066..f78943f 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -134,8 +134,6 @@
hwif->bus_state = BUSSTATE_ON;
- hwif->atapi_dma = 0; /* disable all atapi dma */
-
init_completion(&hwif->gendev_rel_comp);
default_hwif_iops(hwif);
@@ -379,7 +377,6 @@
hwif->pio_mask = tmp_hwif->pio_mask;
- hwif->atapi_dma = tmp_hwif->atapi_dma;
hwif->ultra_mask = tmp_hwif->ultra_mask;
hwif->mwdma_mask = tmp_hwif->mwdma_mask;
hwif->swdma_mask = tmp_hwif->swdma_mask;
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 47c035a..2f322d7 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -699,9 +699,6 @@
hwif->dma_host_on = &auide_dma_host_on;
hwif->dma_lost_irq = &auide_dma_lost_irq;
hwif->ide_dma_on = &auide_dma_on;
-
- hwif->atapi_dma = 1;
-
#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
hwif->channel = 0;
hwif->hold = 1;
diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 3a4c2c2..7bf922f 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -247,6 +247,7 @@
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x07, /* udma0-2 */
},{ /* 1 */
@@ -256,6 +257,7 @@
.init_hwif = init_hwif_aec62xx,
.autodma = NOAUTODMA,
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 2 */
@@ -266,6 +268,7 @@
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = NEVER_BOARD,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x1f, /* udma0-4 */
},{ /* 3 */
@@ -275,6 +278,7 @@
.init_hwif = init_hwif_aec62xx,
.autodma = AUTODMA,
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
},{ /* 4 */
@@ -285,6 +289,7 @@
.autodma = AUTODMA,
.enablebits = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
.bootable = OFF_BOARD,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
.udma_mask = 0x3f, /* udma0-5 */
}
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 31d4e50..6f8ebc9 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -677,8 +677,8 @@
* check in ->init_dma guarantees m5229_revision >= 0x20 here
*/
- if (m5229_revision > 0x20)
- hwif->atapi_dma = 1;
+ if (m5229_revision == 0x20)
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (m5229_revision <= 0x20)
hwif->ultra_mask = 0x00; /* no udma */
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 3bf3d93..9e9e2b6 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -260,8 +260,6 @@
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
-
hwif->ultra_mask = amd_config->udma_mask;
hwif->mwdma_mask = 0x07;
if ((amd_config->flags & AMD_BAD_SWDMA) == 0)
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 446900d..9bb1b93 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -183,7 +183,6 @@
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x3f;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index f3d3bde..bd9adfb 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -517,7 +517,6 @@
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->ultra_mask = hwif->cds->udma_mask;
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index a8bf494..b7906a9 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -125,6 +125,7 @@
static int cs5520_dma_on(ide_drive_t *drive)
{
+ /* ATAPI is harder so leave it for now */
drive->vdma = 1;
return 0;
}
@@ -141,8 +142,6 @@
hwif->ide_dma_on = &cs5520_dma_on;
- /* ATAPI is harder so leave it for now */
- hwif->atapi_dma = 0;
hwif->ultra_mask = 0;
hwif->swdma_mask = 0;
hwif->mwdma_mask = 0;
@@ -156,7 +155,8 @@
.autodma = AUTODMA, \
.bootable = ON_BOARD, \
.host_flags = IDE_HFLAG_ISA_PORTS | \
- IDE_HFLAG_VDMA, \
+ IDE_HFLAG_VDMA | \
+ IDE_HFLAG_NO_ATAPI_DMA, \
.pio_mask = ATA_PIO4, \
}
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c
index 0d23b8a..2ca5bb2 100644
--- a/drivers/ide/pci/cs5530.c
+++ b/drivers/ide/pci/cs5530.c
@@ -264,7 +264,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x07;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index c141b73..45dc9a1 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -185,7 +185,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x1F;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index c498ecf..c1e672f 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -437,7 +437,6 @@
return;
}
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x04;
hwif->swdma_mask = 0x04;
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index d543abc..dcee827 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -69,7 +69,6 @@
if (!(hwif->dma_base))
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
index 44ac0e2..9709681 100644
--- a/drivers/ide/pci/hpt34x.c
+++ b/drivers/ide/pci/hpt34x.c
@@ -155,6 +155,7 @@
.autodma = NOAUTODMA,
.bootable = NEVER_BOARD,
.extra = 16,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO5,
};
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index fcb21dd..5d96a08 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1555,6 +1555,7 @@
.enablebits = {{0x50,0x04,0x04}, {0x54,0x04,0x04}},
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 1 */
.name = "HPT372A",
@@ -1567,6 +1568,7 @@
.udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 2 */
.name = "HPT302",
@@ -1579,6 +1581,7 @@
.udma_mask = HPT302_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 3 */
.name = "HPT371",
@@ -1591,6 +1594,7 @@
.udma_mask = HPT371_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 4 */
.name = "HPT374",
@@ -1603,6 +1607,7 @@
.udma_mask = ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
},{ /* 5 */
.name = "HPT372N",
@@ -1615,6 +1620,7 @@
.udma_mask = HPT372_ALLOW_ATA133_6 ? ATA_UDMA6 : ATA_UDMA5,
.bootable = OFF_BOARD,
.extra = 240,
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
.pio_mask = ATA_PIO4,
}
};
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index 24a71d0..b52bca7 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -176,7 +176,6 @@
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index f3391a8..1b1286b 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -544,12 +544,10 @@
ide_set_hwifdata(hwif, idev);
- hwif->atapi_dma = 1;
-
pci_read_config_byte(hwif->pci_dev, 0x50, &conf);
- if(conf & 1) {
+ if (conf & 1) {
idev->smart = 1;
- hwif->atapi_dma = 0;
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
/* Long I/O's although allowed in LBA48 space cause the
onboard firmware to enter the twighlight zone */
hwif->rqsize = 256;
@@ -570,10 +568,10 @@
*/
pci_read_config_byte(hwif->pci_dev, 0x08, &conf);
- if(conf == 0x10) {
+ if (conf == 0x10) {
idev->timing10 = 1;
- hwif->atapi_dma = 0;
- if(!idev->smart)
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
+ if (idev->smart == 0)
printk(KERN_WARNING "it821x: Revision 0x10, workarounds activated.\n");
}
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index bb893ff..d151fbc 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -117,7 +117,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index a8cd50a..2d5dd98 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -268,7 +268,8 @@
.init_hwif = init_hwif_ns87415,
.autodma = AUTODMA,
.bootable = ON_BOARD,
- .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
+ IDE_HFLAG_NO_ATAPI_DMA,
};
static int __devinit ns87415_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 250662e..2437aed 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -336,7 +336,6 @@
if (!(hwif->dma_base))
return;
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
}
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 8704b6f..2238df9 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -482,8 +482,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
-
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index e1d2337..903bf71 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -330,7 +330,6 @@
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
- hwif->atapi_dma = 1;
hwif->dma_lost_irq = &pdc202xx_dma_lost_irq;
hwif->dma_timeout = &pdc202xx_dma_timeout;
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index a8dd0c0..3694db6 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -397,8 +397,6 @@
if (piix_is_ichx(hwif->pci_dev))
hwif->ide_dma_clear_irq = &piix_dma_clear_irq;
- hwif->atapi_dma = 1;
-
hwif->ultra_mask = hwif->cds->udma_mask;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 54c5c98..0ba9d24 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -377,7 +377,6 @@
hwif->udma_filter = sc1200_udma_filter;
hwif->ide_dma_end = &sc1200_ide_dma_end;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x07;
hwif->mwdma_mask = 0x07;
}
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index bd4c1d3..ac519fa 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -693,7 +693,6 @@
}
hwif->mwdma_mask = 0x00;
hwif->swdma_mask = 0x00;
- hwif->atapi_dma = 1;
/* we support 80c cable only. */
hwif->cbl = ATA_CBL_PATA80;
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index d3ffc52..40b89a2 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -367,8 +367,6 @@
hwif->set_dma_mode = &svwks_set_dma_mode;
hwif->udma_filter = &svwks_udma_filter;
- hwif->atapi_dma = 1;
-
if (hwif->pci_dev->device != PCI_DEVICE_ID_SERVERWORKS_OSB4IDE)
hwif->ultra_mask = 0x3f;
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 9a9474f..9122cb7 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -592,7 +592,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x04;
hwif->dma_setup = &sgiioc4_ide_dma_setup;
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index 5ca14ae..4c81083 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -899,8 +899,8 @@
hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
- if (!is_sata(hwif))
- hwif->atapi_dma = 1;
+ if (is_sata(hwif))
+ hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
hwif->cbl = ata66_siimage(hwif);
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 5a54e2e..f756c7f 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -579,8 +579,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
-
hwif->ultra_mask = udma_rates[chipset_family];
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 771efb8..e784481 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -388,7 +388,6 @@
return;
}
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->ide_dma_on = &sl82c105_ide_dma_on;
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index fa8df6d..d044721 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -147,7 +147,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x1f;
hwif->mwdma_mask = 0x06;
hwif->swdma_mask = 0x04;
diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c
index de62db5..0e3a8fe 100644
--- a/drivers/ide/pci/tc86c001.c
+++ b/drivers/ide/pci/tc86c001.c
@@ -198,7 +198,6 @@
/* Sector Count Register limit */
hwif->rqsize = 0xffff;
- hwif->atapi_dma = 1;
hwif->ultra_mask = 0x1f;
hwif->mwdma_mask = 0x07;
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index 4075c90..68e1e9a 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -104,7 +104,6 @@
if (hwif->dma_base == 0)
return;
- hwif->atapi_dma = 1;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
}
diff --git a/drivers/ide/pci/trm290.c b/drivers/ide/pci/trm290.c
index e3d943a..1307454 100644
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -327,7 +327,9 @@
.autodma = NOAUTODMA,
.bootable = ON_BOARD,
#if 0 /* play it safe for now */
- .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA,
+ .host_flags = IDE_HFLAG_TRUST_BIOS_FOR_DMA | IDE_HFLAG_NO_ATAPI_DMA,
+#else
+ .host_flags = IDE_HFLAG_NO_ATAPI_DMA,
#endif
};
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index b25fb65..648432f 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -443,8 +443,6 @@
if (!hwif->dma_base)
return;
- hwif->atapi_dma = 1;
-
hwif->ultra_mask = vdev->via_config->udma_mask;
hwif->mwdma_mask = 0x07;
hwif->swdma_mask = 0x07;
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 1d25a34..c554793 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1780,7 +1780,6 @@
hwif->dma_timeout = &ide_dma_timeout;
hwif->dma_lost_irq = &pmac_ide_dma_lost_irq;
- hwif->atapi_dma = 1;
switch(pmif->kind) {
case controller_sh_ata6:
hwif->ultra_mask = pmif->cable_80 ? 0x7f : 0x07;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 69dbe7d..e44ecc9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -685,7 +685,6 @@
u8 pio_mask;
- u8 atapi_dma; /* host supports atapi_dma */
u8 ultra_mask;
u8 mwdma_mask;
u8 swdma_mask;
@@ -1258,6 +1257,8 @@
IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10),
/* host uses VDMA */
IDE_HFLAG_VDMA = (1 << 11),
+ /* ATAPI DMA is unsupported */
+ IDE_HFLAG_NO_ATAPI_DMA = (1 << 12),
};
typedef struct ide_pci_device_s {