32 files changed, 185 insertions, 177 deletions

diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index 1c52cb67a267..4906f00cc0c4 100644
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -201,9 +201,6 @@ static void __devinit init_hwif_aec62xx(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = hwif->cds->udma_mask;
-        hwif->mwdma_mask = 0x07;
-
         hwif->dma_lost_irq      = &aec62xx_dma_lost_irq;
 
         if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
@@ -247,7 +244,8 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
                 .enablebits     = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x07, /* udma0-2 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA2,
         },{     /* 1 */
                 .name           = "AEC6260",
                 .init_setup     = init_setup_aec62xx,
@@ -256,7 +254,8 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_AUTODMA |
                                   IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x1f, /* udma0-4 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA4,
         },{     /* 2 */
                 .name           = "AEC6260R",
                 .init_setup     = init_setup_aec62xx,
@@ -265,7 +264,8 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
                 .enablebits     = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x1f, /* udma0-4 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA4,
         },{     /* 3 */
                 .name           = "AEC6280",
                 .init_setup     = init_setup_aec6x80,
@@ -273,7 +273,8 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_aec62xx,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 4 */
                 .name           = "AEC6280R",
                 .init_setup     = init_setup_aec6x80,
@@ -282,7 +283,8 @@ static ide_pci_device_t aec62xx_chipsets[] __devinitdata = {
                 .enablebits     = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         }
 };
 
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c
index 79f572572ffb..9a295e214d57 100644
--- a/drivers/ide/pci/alim15x3.c
+++ b/drivers/ide/pci/alim15x3.c
@@ -684,16 +684,13 @@ static void __devinit init_hwif_common_ali15x3 (ide_hwif_t *hwif)
         if (m5229_revision <= 0x20)
                 hwif->ultra_mask = 0x00; /* no udma */
         else if (m5229_revision < 0xC2)
-                hwif->ultra_mask = 0x07; /* udma0-2 */
+                hwif->ultra_mask = ATA_UDMA2;
         else if (m5229_revision == 0xC2 || m5229_revision == 0xC3)
-                hwif->ultra_mask = 0x1f; /* udma0-4 */
+                hwif->ultra_mask = ATA_UDMA4;
         else if (m5229_revision == 0xC4)
-                hwif->ultra_mask = 0x3f; /* udma0-5 */
+                hwif->ultra_mask = ATA_UDMA5;
         else
-                hwif->ultra_mask = 0x7f; /* udma0-6 */
-
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
+                hwif->ultra_mask = ATA_UDMA6;
 
         hwif->dma_setup = &ali15x3_dma_setup;
 
@@ -779,6 +776,8 @@ static ide_pci_device_t ali15x3_chipset __devinitdata = {
         .init_dma       = init_dma_ali15x3,
         .host_flags     = IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO5,
+        .swdma_mask     = ATA_SWDMA2,
+        .mwdma_mask     = ATA_MWDMA2,
 };
 
 /**
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 26263a189448..6f6fadf5a9d8 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -261,9 +261,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
                 return;
 
         hwif->ultra_mask = amd_config->udma_mask;
-        hwif->mwdma_mask = 0x07;
-        if ((amd_config->flags & AMD_BAD_SWDMA) == 0)
-                hwif->swdma_mask = 0x07;
+        if (amd_config->flags & AMD_BAD_SWDMA)
+                hwif->swdma_mask = 0x00;
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
                 if ((amd_80w >> hwif->channel) & 1)
@@ -284,6 +283,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
                                   IDE_HFLAG_POST_SET_MODE |             \
                                   IDE_HFLAG_BOOTABLE,                   \
                 .pio_mask       = ATA_PIO5,                             \
+                .swdma_mask     = ATA_SWDMA2,                           \
+                .mwdma_mask     = ATA_MWDMA2,                           \
         }
 
 #define DECLARE_NV_DEV(name_str)                                        \
@@ -297,6 +298,8 @@ static void __devinit init_hwif_amd74xx(ide_hwif_t *hwif)
                                   IDE_HFLAG_POST_SET_MODE |             \
                                   IDE_HFLAG_BOOTABLE,                   \
                 .pio_mask       = ATA_PIO5,                             \
+                .swdma_mask     = ATA_SWDMA2,                           \
+                .mwdma_mask     = ATA_MWDMA2,                           \
         }
 
 static ide_pci_device_t amd74xx_chipsets[] __devinitdata = {
diff --git a/drivers/ide/pci/atiixp.c b/drivers/ide/pci/atiixp.c
index 65de9363fc0d..18c181bc841b 100644
--- a/drivers/ide/pci/atiixp.c
+++ b/drivers/ide/pci/atiixp.c
@@ -183,9 +183,6 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
         if (!hwif->dma_base)
                 return;
 
-        hwif->ultra_mask = 0x3f;
-        hwif->mwdma_mask = 0x07;
-
         pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode);
 
         if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40)
@@ -205,12 +202,16 @@ static ide_pci_device_t atiixp_pci_info[] __devinitdata = {
                 .enablebits     = {{0x48,0x01,0x00}, {0x48,0x08,0x00}},
                 .host_flags     = IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 1 */
                 .name           = "SB600_PATA",
                 .init_hwif      = init_hwif_atiixp,
                 .enablebits     = {{0x48,0x01,0x00}, {0x00,0x00,0x00}},
                 .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },
 };
 
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index 360ca32a0f7e..0ad57c497b0d 100644
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -517,9 +517,6 @@ static void __devinit init_hwif_cmd64x(ide_hwif_t *hwif)
         if (!hwif->dma_base)
                 return;
 
-        hwif->mwdma_mask = 0x07;
-        hwif->ultra_mask = hwif->cds->udma_mask;
-
         /*
          * UltraDMA only supported on PCI646U and PCI646U2, which
          * correspond to revisions 0x03, 0x05 and 0x07 respectively.
@@ -586,6 +583,7 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
                 .enablebits     = {{0x00,0x00,0x00}, {0x51,0x08,0x08}},
                 .host_flags     = IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
+                .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = 0x00, /* no udma */
         },{     /* 1 */
                 .name           = "CMD646",
@@ -595,7 +593,8 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
                 .enablebits     = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
                 .host_flags     = IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
-                .udma_mask      = 0x07, /* udma0-2 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA2,
         },{     /* 2 */
                 .name           = "CMD648",
                 .init_setup     = init_setup_cmd64x,
@@ -604,7 +603,8 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
                 .enablebits     = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
                 .host_flags     = IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
-                .udma_mask      = 0x1f, /* udma0-4 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA4,
         },{     /* 3 */
                 .name           = "CMD649",
                 .init_setup     = init_setup_cmd64x,
@@ -613,7 +613,8 @@ static ide_pci_device_t cmd64x_chipsets[] __devinitdata = {
                 .enablebits     = {{0x51,0x04,0x04}, {0x51,0x08,0x08}},
                 .host_flags     = IDE_HFLAG_ABUSE_PREFETCH | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         }
 };
 
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c
index 4fb43206621a..6254d7a659aa 100644
--- a/drivers/ide/pci/cs5520.c
+++ b/drivers/ide/pci/cs5520.c
@@ -129,10 +129,6 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif)
         }
 
         hwif->ide_dma_on = &cs5520_dma_on;
-
-        hwif->ultra_mask = 0;
-        hwif->swdma_mask = 0;
-        hwif->mwdma_mask = 0;
 }
 
 #define DECLARE_CS_DEV(name_str)                                \
diff --git a/drivers/ide/pci/cs5530.c b/drivers/ide/pci/cs5530.c
index 9dfd35f43337..5e77a3d8e6d0 100644
--- a/drivers/ide/pci/cs5530.c
+++ b/drivers/ide/pci/cs5530.c
@@ -264,9 +264,6 @@ static void __devinit init_hwif_cs5530 (ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x07;
-        hwif->mwdma_mask = 0x07;
-
         hwif->udma_filter = cs5530_udma_filter;
 }
 
@@ -276,6 +273,8 @@ static ide_pci_device_t cs5530_chipset __devinitdata = {
         .init_hwif      = init_hwif_cs5530,
         .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA2,
 };
 
 static int __devinit cs5530_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/cs5535.c b/drivers/ide/pci/cs5535.c
index 8d8a9f81d934..4360ba301551 100644
--- a/drivers/ide/pci/cs5535.c
+++ b/drivers/ide/pci/cs5535.c
@@ -185,9 +185,6 @@ static void __devinit init_hwif_cs5535(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x1F;
-        hwif->mwdma_mask = 0x07;
-
         hwif->cbl = cs5535_cable_detect(hwif->pci_dev);
 }
 
@@ -197,6 +194,8 @@ static ide_pci_device_t cs5535_chipset __devinitdata = {
         .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_POST_SET_MODE |
                           IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA4,
 };
 
 static int __devinit cs5535_init_one(struct pci_dev *dev,
diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index f841819bc898..2790206336d3 100644
--- a/drivers/ide/pci/cy82c693.c
+++ b/drivers/ide/pci/cy82c693.c
@@ -437,9 +437,6 @@ static void __devinit init_hwif_cy82c693(ide_hwif_t *hwif)
                 return;
         }
 
-        hwif->mwdma_mask = 0x04;
-        hwif->swdma_mask = 0x04;
-
         hwif->ide_dma_on = &cy82c693_ide_dma_on;
 }
 
@@ -463,6 +460,8 @@ static ide_pci_device_t cy82c693_chipset __devinitdata = {
         .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                           IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .swdma_mask     = ATA_SWDMA2_ONLY,
+        .mwdma_mask     = ATA_MWDMA2_ONLY,
 };
 
 static int __devinit cy82c693_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index 88fa2963d1e3..51165832e7f2 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -65,13 +65,6 @@ static void __devinit init_hwif_generic (ide_hwif_t *hwif)
                 default:
                         break;
         }
-
-        if (!(hwif->dma_base))
-                return;
-
-        hwif->ultra_mask = 0x7f;
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
 }
 
 #define DECLARE_GENERIC_PCI_DEV(name_str, dma_setting) \
@@ -81,6 +74,9 @@ static void __devinit init_hwif_generic (ide_hwif_t *hwif)
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
                                   dma_setting | \
                                   IDE_HFLAG_BOOTABLE, \
+                .swdma_mask     = ATA_SWDMA2, \
+                .mwdma_mask     = ATA_MWDMA2, \
+                .udma_mask      = ATA_UDMA6, \
         }
 
 static ide_pci_device_t generic_chipsets[] __devinitdata = {
@@ -92,6 +88,9 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
                 .enablebits     = {{0x43,0x08,0x08}, {0x47,0x08,0x08}},
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_BOOTABLE,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },
 
         /*  2 */ DECLARE_GENERIC_PCI_DEV("SAMURAI",     0),
@@ -108,6 +107,9 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_generic,
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_OFF_BOARD,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },
 
         /* 11 */ DECLARE_GENERIC_PCI_DEV("Piccolo0102", IDE_HFLAG_NO_AUTODMA),
@@ -119,6 +121,9 @@ static ide_pci_device_t generic_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_generic,
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_OFF_BOARD,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         }
 };
 
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c
index 470e06bd3f2d..0b0c08298348 100644
--- a/drivers/ide/pci/hpt34x.c
+++ b/drivers/ide/pci/hpt34x.c
@@ -125,51 +125,48 @@ static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const cha
 
 static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif)
 {
-        u16 pcicmd = 0;
-
         hwif->set_pio_mode = &hpt34x_set_pio_mode;
         hwif->set_dma_mode = &hpt34x_set_mode;
 
         hwif->drives[0].autotune = 1;
         hwif->drives[1].autotune = 1;
+}
 
-        pci_read_config_word(hwif->pci_dev, PCI_COMMAND, &pcicmd);
-
-        if (!hwif->dma_base)
-                return;
-
+static ide_pci_device_t hpt34x_chipsets[] __devinitdata = {
+        { /* 0 */
+                .name           = "HPT343",
+                .init_chipset   = init_chipset_hpt34x,
+                .init_hwif      = init_hwif_hpt34x,
+                .extra          = 16,
+                .host_flags     = IDE_HFLAG_NO_ATAPI_DMA |
+                                  IDE_HFLAG_NO_AUTODMA,
+                .pio_mask       = ATA_PIO5,
+        },
+        { /* 1 */
+                .name           = "HPT345",
+                .init_chipset   = init_chipset_hpt34x,
+                .init_hwif      = init_hwif_hpt34x,
+                .extra          = 16,
+                .host_flags     = IDE_HFLAG_NO_ATAPI_DMA |
+                                  IDE_HFLAG_NO_AUTODMA |
+                                  IDE_HFLAG_OFF_BOARD,
+                .pio_mask       = ATA_PIO5,
 #ifdef CONFIG_HPT34X_AUTODMA
-        if ((pcicmd & PCI_COMMAND_MEMORY) == 0)
-                return;
-
-        hwif->ultra_mask = 0x07;
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA2,
 #endif
-}
-
-static ide_pci_device_t hpt34x_chipset __devinitdata = {
-        .name           = "HPT34X",
-        .init_chipset   = init_chipset_hpt34x,
-        .init_hwif      = init_hwif_hpt34x,
-        .extra          = 16,
-        .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_NO_AUTODMA,
-        .pio_mask       = ATA_PIO5,
+        }
 };
 
 static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-        ide_pci_device_t *d = &hpt34x_chipset;
-        static char *chipset_names[] = {"HPT343", "HPT345"};
+        ide_pci_device_t *d;
         u16 pcicmd = 0;
 
         pci_read_config_word(dev, PCI_COMMAND, &pcicmd);
 
-        d->name = chipset_names[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
-        if (pcicmd & PCI_COMMAND_MEMORY)
-                d->host_flags |= IDE_HFLAG_OFF_BOARD;
-        else
-                d->host_flags &= ~IDE_HFLAG_OFF_BOARD;
+        d = &hpt34x_chipsets[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0];
 
         return ide_setup_pci_device(dev, d);
 }
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index a805236bbae6..e643b9654c75 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1296,9 +1296,6 @@ static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = hwif->cds->udma_mask;
-        hwif->mwdma_mask = 0x07;
-
         /*
          * The HPT37x uses the CBLID pins as outputs for MA15/MA16
          * address lines to access an external EEPROM.  To read valid
@@ -1555,6 +1552,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 1 */
                 .name           = "HPT372A",
                 .init_setup     = init_setup_hpt372a,
@@ -1566,6 +1564,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 2 */
                 .name           = "HPT302",
                 .init_setup     = init_setup_hpt302,
@@ -1577,6 +1576,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 3 */
                 .name           = "HPT371",
                 .init_setup     = init_setup_hpt371,
@@ -1588,6 +1588,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 4 */
                 .name           = "HPT374",
                 .init_setup     = init_setup_hpt374,
@@ -1599,6 +1600,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 5 */
                 .name           = "HPT372N",
                 .init_setup     = init_setup_hpt372n,
@@ -1610,6 +1612,7 @@ static ide_pci_device_t hpt366_chipsets[] __devinitdata = {
                 .extra          = 240,
                 .host_flags     = IDE_HFLAG_NO_ATAPI_DMA | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
         }
 };
 
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index f161836709ff..e0c1d50e50d4 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -176,10 +176,6 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
         if (!hwif->dma_base)
                 return;
 
-        hwif->ultra_mask = 0x7f;
-        hwif->mwdma_mask = 0x06;
-        hwif->swdma_mask = 0x04;
-
         pci_read_config_byte(hwif->pci_dev, 0x42, &reg42h);
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
@@ -195,6 +191,9 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
                 .host_flags     = IDE_HFLAG_SINGLE |    \
                                   IDE_HFLAG_BOOTABLE,   \
                 .pio_mask       = ATA_PIO4,             \
+                .swdma_mask     = ATA_SWDMA2_ONLY,      \
+                .mwdma_mask     = ATA_MWDMA12_ONLY,     \
+                .udma_mask      = ATA_UDMA6,            \
         }
 
 static ide_pci_device_t it8213_chipsets[] __devinitdata = {
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 3596ec3501af..611d0f272fbe 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -591,8 +591,8 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x7f;
-        hwif->mwdma_mask = 0x07;
+        hwif->ultra_mask = ATA_UDMA6;
+        hwif->mwdma_mask = ATA_MWDMA2;
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 hwif->cbl = ata66_it821x(hwif);
diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index 5b0a136c879e..b058b3a01b30 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -117,9 +117,6 @@ static void __devinit init_hwif_jmicron(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x7f;
-        hwif->mwdma_mask = 0x07;
-
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 hwif->cbl = ata66_jmicron(hwif);
 }
@@ -130,6 +127,8 @@ static ide_pci_device_t jmicron_chipset __devinitdata = {
         .host_flags     = IDE_HFLAG_BOOTABLE,
         .enablebits     = { { 0x40, 0x01, 0x01 }, { 0x40, 0x10, 0x10 } },
         .pio_mask       = ATA_PIO5,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA6,
 };
 
 /**
diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 558cab537db8..24059c1b21df 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -332,12 +332,6 @@ static void __devinit init_hwif_opti621 (ide_hwif_t *hwif)
         hwif->drives[1].drive_data = PIO_DONT_KNOW;
 
         hwif->set_pio_mode = &opti621_set_pio_mode;
-
-        if (!(hwif->dma_base))
-                return;
-
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
 }
 
 static ide_pci_device_t opti621_chipsets[] __devinitdata = {
@@ -348,6 +342,8 @@ static ide_pci_device_t opti621_chipsets[] __devinitdata = {
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO3,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 1 */
                 .name           = "OPTI621X",
                 .init_hwif      = init_hwif_opti621,
@@ -355,6 +351,8 @@ static ide_pci_device_t opti621_chipsets[] __devinitdata = {
                 .host_flags     = IDE_HFLAG_TRUST_BIOS_FOR_DMA |
                                   IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO3,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
         }
 };
 
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 24efda25c034..a3443fce40f1 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -482,9 +482,6 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = hwif->cds->udma_mask;
-        hwif->mwdma_mask = 0x07;
-
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 hwif->cbl = pdcnew_cable_detect(hwif);
 }
@@ -553,7 +550,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 1 */
                 .name           = "PDC20269",
                 .init_setup     = init_setup_pdcnew,
@@ -561,7 +559,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x7f, /* udma0-6*/
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },{     /* 2 */
                 .name           = "PDC20270",
                 .init_setup     = init_setup_pdc20270,
@@ -569,7 +568,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 3 */
                 .name           = "PDC20271",
                 .init_setup     = init_setup_pdcnew,
@@ -577,7 +577,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x7f, /* udma0-6*/
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },{     /* 4 */
                 .name           = "PDC20275",
                 .init_setup     = init_setup_pdcnew,
@@ -585,7 +586,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x7f, /* udma0-6*/
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },{     /* 5 */
                 .name           = "PDC20276",
                 .init_setup     = init_setup_pdc20276,
@@ -593,7 +595,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x7f, /* udma0-6*/
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         },{     /* 6 */
                 .name           = "PDC20277",
                 .init_setup     = init_setup_pdcnew,
@@ -601,7 +604,8 @@ static ide_pci_device_t pdcnew_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_pdc202new,
                 .host_flags     = IDE_HFLAG_POST_SET_MODE | IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x7f, /* udma0-6*/
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA6,
         }
 };
 
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c
index d8622be22875..570259093ce4 100644
--- a/drivers/ide/pci/pdc202xx_old.c
+++ b/drivers/ide/pci/pdc202xx_old.c
@@ -324,9 +324,6 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = hwif->cds->udma_mask;
-        hwif->mwdma_mask = 0x07;
-
         hwif->dma_lost_irq = &pdc202xx_dma_lost_irq;
         hwif->dma_timeout = &pdc202xx_dma_timeout;
 
@@ -420,7 +417,8 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
                 .extra          = 16,
                 .host_flags     = IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x07, /* udma0-2 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA2,
         },{     /* 1 */
                 .name           = "PDC20262",
                 .init_setup     = init_setup_pdc202ata4,
@@ -430,7 +428,8 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
                 .extra          = 48,
                 .host_flags     = IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x1f, /* udma0-4 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA4,
         },{     /* 2 */
                 .name           = "PDC20263",
                 .init_setup     = init_setup_pdc202ata4,
@@ -440,7 +439,8 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
                 .extra          = 48,
                 .host_flags     = IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x1f, /* udma0-4 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA4,
         },{     /* 3 */
                 .name           = "PDC20265",
                 .init_setup     = init_setup_pdc20265,
@@ -450,7 +450,8 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
                 .extra          = 48,
                 .host_flags     = IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 4 */
                 .name           = "PDC20267",
                 .init_setup     = init_setup_pdc202xx,
@@ -460,7 +461,8 @@ static ide_pci_device_t pdc202xx_chipsets[] __devinitdata = {
                 .extra          = 48,
                 .host_flags     = IDE_HFLAG_OFF_BOARD,
                 .pio_mask       = ATA_PIO4,
-                .udma_mask      = 0x3f, /* udma0-5 */
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         }
 };
 
diff --git a/drivers/ide/pci/piix.c b/drivers/ide/pci/piix.c
index 692623892cbc..cbfc27b92ede 100644
--- a/drivers/ide/pci/piix.c
+++ b/drivers/ide/pci/piix.c
@@ -397,10 +397,6 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
         if (piix_is_ichx(hwif->pci_dev))
                 hwif->ide_dma_clear_irq = &piix_dma_clear_irq;
 
-        hwif->ultra_mask = hwif->cds->udma_mask;
-        hwif->mwdma_mask = 0x06;
-        hwif->swdma_mask = 0x04;
-
         if (hwif->ultra_mask & 0x78) {
                 if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                         hwif->cbl = piix_cable_detect(hwif);
@@ -418,12 +414,14 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
                 .enablebits     = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
                 .host_flags     = IDE_HFLAG_BOOTABLE,   \
                 .pio_mask       = ATA_PIO4,             \
+                .swdma_mask     = ATA_SWDMA2_ONLY,      \
+                .mwdma_mask     = ATA_MWDMA12_ONLY,     \
                 .udma_mask      = udma,                 \
         }
 
 static ide_pci_device_t piix_pci_info[] __devinitdata = {
-        /*  0 */ DECLARE_PIIX_DEV("PIIXa", 0x00),       /* no udma */
-        /*  1 */ DECLARE_PIIX_DEV("PIIXb", 0x00),       /* no udma */
+        /*  0 */ DECLARE_PIIX_DEV("PIIXa",      0x00),  /* no udma */
+        /*  1 */ DECLARE_PIIX_DEV("PIIXb",      0x00),  /* no udma */
 
         /*  2 */
         {       /*
@@ -439,28 +437,28 @@ static ide_pci_device_t piix_pci_info[] __devinitdata = {
                 .pio_mask       = ATA_PIO4,
         },
 
-        /*  3 */ DECLARE_PIIX_DEV("PIIX3", 0x00),       /* no udma */
-        /*  4 */ DECLARE_PIIX_DEV("PIIX4", 0x07),       /* udma0-2 */
-        /*  5 */ DECLARE_PIIX_DEV("ICH0",  0x07),       /* udma0-2 */
-        /*  6 */ DECLARE_PIIX_DEV("PIIX4", 0x07),       /* udma0-2 */
-        /*  7 */ DECLARE_PIIX_DEV("ICH",   0x1f),       /* udma0-4 */
-        /*  8 */ DECLARE_PIIX_DEV("PIIX4", 0x1f),       /* udma0-4 */
-        /*  9 */ DECLARE_PIIX_DEV("PIIX4", 0x07),       /* udma0-2 */
-        /* 10 */ DECLARE_PIIX_DEV("ICH2",  0x3f),       /* udma0-5 */
-        /* 11 */ DECLARE_PIIX_DEV("ICH2M", 0x3f),       /* udma0-5 */
-        /* 12 */ DECLARE_PIIX_DEV("ICH3M", 0x3f),       /* udma0-5 */
-        /* 13 */ DECLARE_PIIX_DEV("ICH3",  0x3f),       /* udma0-5 */
-        /* 14 */ DECLARE_PIIX_DEV("ICH4",  0x3f),       /* udma0-5 */
-        /* 15 */ DECLARE_PIIX_DEV("ICH5",  0x3f),       /* udma0-5 */
-        /* 16 */ DECLARE_PIIX_DEV("C-ICH", 0x3f),       /* udma0-5 */
-        /* 17 */ DECLARE_PIIX_DEV("ICH4",  0x3f),       /* udma0-5 */
-        /* 18 */ DECLARE_PIIX_DEV("ICH5-SATA", 0x3f),   /* udma0-5 */
-        /* 19 */ DECLARE_PIIX_DEV("ICH5",  0x3f),       /* udma0-5 */
-        /* 20 */ DECLARE_PIIX_DEV("ICH6",  0x3f),       /* udma0-5 */
-        /* 21 */ DECLARE_PIIX_DEV("ICH7",  0x3f),       /* udma0-5 */
-        /* 22 */ DECLARE_PIIX_DEV("ICH4",  0x3f),       /* udma0-5 */
-        /* 23 */ DECLARE_PIIX_DEV("ESB2",  0x3f),       /* udma0-5 */
-        /* 24 */ DECLARE_PIIX_DEV("ICH8M", 0x3f),       /* udma0-5 */
+        /*  3 */ DECLARE_PIIX_DEV("PIIX3",      0x00),  /* no udma */
+        /*  4 */ DECLARE_PIIX_DEV("PIIX4",      ATA_UDMA2),
+        /*  5 */ DECLARE_PIIX_DEV("ICH0",       ATA_UDMA2),
+        /*  6 */ DECLARE_PIIX_DEV("PIIX4",      ATA_UDMA2),
+        /*  7 */ DECLARE_PIIX_DEV("ICH",        ATA_UDMA4),
+        /*  8 */ DECLARE_PIIX_DEV("PIIX4",      ATA_UDMA4),
+        /*  9 */ DECLARE_PIIX_DEV("PIIX4",      ATA_UDMA2),
+        /* 10 */ DECLARE_PIIX_DEV("ICH2",       ATA_UDMA5),
+        /* 11 */ DECLARE_PIIX_DEV("ICH2M",      ATA_UDMA5),
+        /* 12 */ DECLARE_PIIX_DEV("ICH3M",      ATA_UDMA5),
+        /* 13 */ DECLARE_PIIX_DEV("ICH3",       ATA_UDMA5),
+        /* 14 */ DECLARE_PIIX_DEV("ICH4",       ATA_UDMA5),
+        /* 15 */ DECLARE_PIIX_DEV("ICH5",       ATA_UDMA5),
+        /* 16 */ DECLARE_PIIX_DEV("C-ICH",      ATA_UDMA5),
+        /* 17 */ DECLARE_PIIX_DEV("ICH4",       ATA_UDMA5),
+        /* 18 */ DECLARE_PIIX_DEV("ICH5-SATA",  ATA_UDMA5),
+        /* 19 */ DECLARE_PIIX_DEV("ICH5",       ATA_UDMA5),
+        /* 20 */ DECLARE_PIIX_DEV("ICH6",       ATA_UDMA5),
+        /* 21 */ DECLARE_PIIX_DEV("ICH7",       ATA_UDMA5),
+        /* 22 */ DECLARE_PIIX_DEV("ICH4",       ATA_UDMA5),
+        /* 23 */ DECLARE_PIIX_DEV("ESB2",       ATA_UDMA5),
+        /* 24 */ DECLARE_PIIX_DEV("ICH8M",      ATA_UDMA5),
 };
 
 /**
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 1a1c0ef0ed5b..252b12f9c954 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -376,9 +376,6 @@ static void __devinit init_hwif_sc1200 (ide_hwif_t *hwif)
 
         hwif->udma_filter = sc1200_udma_filter;
         hwif->ide_dma_end   = &sc1200_ide_dma_end;
-
-        hwif->ultra_mask = 0x07;
-        hwif->mwdma_mask = 0x07;
 }
 
 static ide_pci_device_t sc1200_chipset __devinitdata = {
@@ -387,6 +384,8 @@ static ide_pci_device_t sc1200_chipset __devinitdata = {
         .host_flags     = IDE_HFLAG_ABUSE_DMA_MODES | IDE_HFLAG_POST_SET_MODE |
                           IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA2,
 };
 
 static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c
index bfddc4270827..2b1d5bd0009f 100644
--- a/drivers/ide/pci/scc_pata.c
+++ b/drivers/ide/pci/scc_pata.c
@@ -472,7 +472,7 @@ static u8 scc_udma_filter(ide_drive_t *drive)
         if ((drive->media != ide_disk) && (mask & 0xE0)) {
                 printk(KERN_INFO "%s: limit %s to UDMA4\n",
                        SCC_PATA_NAME, drive->name);
-                mask = 0x1F;
+                mask = ATA_UDMA4;
         }
 
         return mask;
@@ -686,13 +686,10 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif)
         hwif->drives[0].autotune = IDE_TUNE_AUTO;
         hwif->drives[1].autotune = IDE_TUNE_AUTO;
 
-        if (in_be32((void __iomem *)(hwif->config_data + 0xff0)) & CCKCTRL_ATACLKOEN) {
-                hwif->ultra_mask = 0x7f; /* 133MHz */
-        } else {
-                hwif->ultra_mask = 0x3f; /* 100MHz */
-        }
-        hwif->mwdma_mask = 0x00;
-        hwif->swdma_mask = 0x00;
+        if (in_be32((void __iomem *)(hwif->config_data + 0xff0)) & CCKCTRL_ATACLKOEN)
+                hwif->ultra_mask = ATA_UDMA6; /* 133MHz */
+        else
+                hwif->ultra_mask = ATA_UDMA5; /* 100MHz */
 
         /* 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 338eee81f021..760e0e3e118e 100644
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -367,11 +367,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
         hwif->set_dma_mode = &svwks_set_dma_mode;
         hwif->udma_filter = &svwks_udma_filter;
 
-        if (hwif->pci_dev->device != PCI_DEVICE_ID_SERVERWORKS_OSB4IDE)
-                hwif->ultra_mask = 0x3f;
-
-        hwif->mwdma_mask = 0x07;
-
         hwif->drives[0].autotune = 1;
         hwif->drives[1].autotune = 1;
 
@@ -416,6 +411,8 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_svwks,
                 .host_flags     = IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = 0x00, /* UDMA is problematic on OSB4 */
         },{     /* 1 */
                 .name           = "SvrWks CSB5",
                 .init_setup     = init_setup_svwks,
@@ -423,6 +420,8 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_svwks,
                 .host_flags     = IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 2 */
                 .name           = "SvrWks CSB6",
                 .init_setup     = init_setup_csb6,
@@ -430,6 +429,8 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_svwks,
                 .host_flags     = IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 3 */
                 .name           = "SvrWks CSB6",
                 .init_setup     = init_setup_csb6,
@@ -437,6 +438,8 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_svwks,
                 .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         },{     /* 4 */
                 .name           = "SvrWks HT1000",
                 .init_setup     = init_setup_svwks,
@@ -444,6 +447,8 @@ static ide_pci_device_t serverworks_chipsets[] __devinitdata = {
                 .init_hwif      = init_hwif_svwks,
                 .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO4,
+                .mwdma_mask     = ATA_MWDMA2,
+                .udma_mask      = ATA_UDMA5,
         }
 };
 
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 9122cb71bcc9..b0cf6add691d 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -592,7 +592,7 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->mwdma_mask = 0x04;
+        hwif->mwdma_mask = ATA_MWDMA2_ONLY;
 
         hwif->dma_setup = &sgiioc4_ide_dma_setup;
         hwif->dma_start = &sgiioc4_ide_dma_start;
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index f3ed91006f3f..eda11050a02d 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -896,9 +896,6 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x7f;
-        hwif->mwdma_mask = 0x07;
-
         if (is_sata(hwif))
                 hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
 
@@ -921,6 +918,8 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
                 .fixup          = siimage_fixup,        \
                 .host_flags     = IDE_HFLAG_BOOTABLE,   \
                 .pio_mask       = ATA_PIO4,             \
+                .mwdma_mask     = ATA_MWDMA2,           \
+                .udma_mask      = ATA_UDMA6,            \
         }
 
 static ide_pci_device_t siimage_chipsets[] __devinitdata = {
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 5c30759ad008..d38b2039e2aa 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -580,7 +580,6 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
                 return;
 
         hwif->ultra_mask = udma_rates[chipset_family];
-        hwif->mwdma_mask = 0x07;
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 hwif->cbl = ata66_sis5513(hwif);
@@ -593,6 +592,7 @@ static ide_pci_device_t sis5513_chipset __devinitdata = {
         .enablebits     = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
         .host_flags     = IDE_HFLAG_NO_AUTODMA | IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .mwdma_mask     = ATA_MWDMA2,
 };
 
 static int __devinit sis5513_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index e6eb5c7de7ae..ea6d925ac573 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -388,7 +388,7 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
                 return;
         }
 
-        hwif->mwdma_mask = 0x07;
+        hwif->mwdma_mask = ATA_MWDMA2;
 
         hwif->ide_dma_on                = &sl82c105_ide_dma_on;
         hwif->dma_off_quietly           = &sl82c105_dma_off_quietly;
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 4f213e4c0c42..416fbab2ed36 100644
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -147,10 +147,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->ultra_mask = 0x1f;
-        hwif->mwdma_mask = 0x06;
-        hwif->swdma_mask = 0x04;
-
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 /* bit[0(1)]: 0:80, 1:40 */
                 hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
@@ -162,6 +158,9 @@ static ide_pci_device_t slc90e66_chipset __devinitdata = {
         .enablebits     = {{0x41,0x80,0x80}, {0x43,0x80,0x80}},
         .host_flags     = IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .swdma_mask     = ATA_SWDMA2_ONLY,
+        .mwdma_mask     = ATA_MWDMA12_ONLY,
+        .udma_mask      = ATA_UDMA4,
 };
 
 static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_device_id *id)
diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c
index fda8592bf858..9f50927e9098 100644
--- a/drivers/ide/pci/tc86c001.c
+++ b/drivers/ide/pci/tc86c001.c
@@ -198,9 +198,6 @@ static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif)
         /* Sector Count Register limit */
         hwif->rqsize     = 0xffff;
 
-        hwif->ultra_mask = 0x1f;
-        hwif->mwdma_mask = 0x07;
-
         hwif->dma_start         = &tc86c001_dma_start;
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
@@ -229,6 +226,8 @@ static ide_pci_device_t tc86c001_chipset __devinitdata = {
         .init_hwif      = init_hwif_tc86c001,
         .host_flags     = IDE_HFLAG_SINGLE | IDE_HFLAG_OFF_BOARD,
         .pio_mask       = ATA_PIO4,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA4,
 };
 
 static int __devinit tc86c001_init_one(struct pci_dev *dev,
diff --git a/drivers/ide/pci/triflex.c b/drivers/ide/pci/triflex.c
index c5edb1171c10..30b52f62699a 100644
--- a/drivers/ide/pci/triflex.c
+++ b/drivers/ide/pci/triflex.c
@@ -100,12 +100,6 @@ static void __devinit init_hwif_triflex(ide_hwif_t *hwif)
 {
         hwif->set_pio_mode = &triflex_set_pio_mode;
         hwif->set_dma_mode = &triflex_set_mode;
-
-        if (hwif->dma_base == 0)
-                return;
-
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
 }
 
 static ide_pci_device_t triflex_device __devinitdata = {
@@ -114,6 +108,8 @@ static ide_pci_device_t triflex_device __devinitdata = {
         .enablebits     = {{0x80, 0x01, 0x01}, {0x80, 0x02, 0x02}},
         .host_flags     = IDE_HFLAG_BOOTABLE,
         .pio_mask       = ATA_PIO4,
+        .swdma_mask     = ATA_SWDMA2,
+        .mwdma_mask     = ATA_MWDMA2,
 };
 
 static int __devinit triflex_init_one(struct pci_dev *dev, 
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 91bcb6be0d51..70e6c44ec699 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -444,8 +444,6 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
                 return;
 
         hwif->ultra_mask = vdev->via_config->udma_mask;
-        hwif->mwdma_mask = 0x07;
-        hwif->swdma_mask = 0x07;
 
         if (hwif->cbl != ATA_CBL_PATA40_SHORT)
                 hwif->cbl = via82cxxx_cable_detect(hwif);
@@ -463,6 +461,8 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
                                   IDE_HFLAG_NO_AUTODMA |
                                   IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
         },{     /* 1 */
                 .name           = "VP_IDE",
                 .init_chipset   = init_chipset_via82cxxx,
@@ -473,6 +473,8 @@ static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
                                   IDE_HFLAG_POST_SET_MODE |
                                   IDE_HFLAG_BOOTABLE,
                 .pio_mask       = ATA_PIO5,
+                .swdma_mask     = ATA_SWDMA2,
+                .mwdma_mask     = ATA_MWDMA2,
         }
 };
 
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 479add4af499..51b1a9b23a22 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -567,6 +567,12 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a
                 hwif->host_flags = d->host_flags;
                 hwif->pio_mask = d->pio_mask;
 
+                if (hwif->dma_base) {
+                        hwif->swdma_mask = d->swdma_mask;
+                        hwif->mwdma_mask = d->mwdma_mask;
+                        hwif->ultra_mask = d->udma_mask;
+                }
+
                 if (d->init_hwif)
                         /* Call chipset-specific routine
                          * for each enabled hwif
diff --git a/include/linux/ide.h b/include/linux/ide.h
index dced2e176d9f..87662659fb6f 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1277,6 +1277,8 @@ typedef struct ide_pci_device_s {
         struct ide_pci_device_s *next;
         u32                     host_flags;
         u8                      pio_mask;
+        u8                      swdma_mask;
+        u8                      mwdma_mask;
         u8                      udma_mask;
 } ide_pci_device_t;