ide: add IDE_HFLAG_CLEAR_SIMPLEX host flag

[pandora-kernel.git] / drivers / ide / pci / serverworks.c

diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index a728031..bf01c38 100644 (file)
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -164,25 +164,12 @@ static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed)
        ultra_timing    &= ~(0x0F << (4*unit));
        ultra_enable    &= ~(0x01 << drive->dn);
 
-       switch(speed) {
-               case XFER_MW_DMA_2:
-               case XFER_MW_DMA_1:
-               case XFER_MW_DMA_0:
-                       dma_timing |= dma_modes[speed - XFER_MW_DMA_0];
-                       break;
-
-               case XFER_UDMA_5:
-               case XFER_UDMA_4:
-               case XFER_UDMA_3:
-               case XFER_UDMA_2:
-               case XFER_UDMA_1:
-               case XFER_UDMA_0:
-                       dma_timing   |= dma_modes[2];
-                       ultra_timing |= ((udma_modes[speed - XFER_UDMA_0]) << (4*unit));
-                       ultra_enable |= (0x01 << drive->dn);
-               default:
-                       break;
-       }
+       if (speed >= XFER_UDMA_0) {
+               dma_timing   |= dma_modes[2];
+               ultra_timing |= (udma_modes[speed - XFER_UDMA_0] << (4 * unit));
+               ultra_enable |= (0x01 << drive->dn);
+       } else if (speed >= XFER_MW_DMA_0)
+               dma_timing   |= dma_modes[speed - XFER_MW_DMA_0];
 
        pci_write_config_byte(dev, drive_pci2[drive->dn], dma_timing);
        pci_write_config_byte(dev, (0x56|hwif->channel), ultra_timing);
@@ -366,12 +353,17 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
        }
 }
 
+#define IDE_HFLAGS_SVWKS \
+       (IDE_HFLAG_LEGACY_IRQS | \
+        IDE_HFLAG_ABUSE_SET_DMA_MODE | \
+        IDE_HFLAG_BOOTABLE)
+
 static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
        {       /* 0 */
                .name           = "SvrWks OSB4",
                .init_chipset   = init_chipset_svwks,
                .init_hwif      = init_hwif_svwks,
-               .host_flags     = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
+               .host_flags     = IDE_HFLAGS_SVWKS,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,
                .udma_mask      = 0x00, /* UDMA is problematic on OSB4 */
@@ -379,7 +371,7 @@ static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
                .name           = "SvrWks CSB5",
                .init_chipset   = init_chipset_svwks,
                .init_hwif      = init_hwif_svwks,
-               .host_flags     = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
+               .host_flags     = IDE_HFLAGS_SVWKS,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,
                .udma_mask      = ATA_UDMA5,
@@ -387,7 +379,7 @@ static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
                .name           = "SvrWks CSB6",
                .init_chipset   = init_chipset_svwks,
                .init_hwif      = init_hwif_svwks,
-               .host_flags     = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_BOOTABLE,
+               .host_flags     = IDE_HFLAGS_SVWKS,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,
                .udma_mask      = ATA_UDMA5,
@@ -395,8 +387,7 @@ static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
                .name           = "SvrWks CSB6",
                .init_chipset   = init_chipset_svwks,
                .init_hwif      = init_hwif_svwks,
-               .host_flags     = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_SINGLE |
-                                 IDE_HFLAG_BOOTABLE,
+               .host_flags     = IDE_HFLAGS_SVWKS | IDE_HFLAG_SINGLE,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,
                .udma_mask      = ATA_UDMA5,
@@ -404,8 +395,7 @@ static const struct ide_port_info serverworks_chipsets[] __devinitdata = {
                .name           = "SvrWks HT1000",
                .init_chipset   = init_chipset_svwks,
                .init_hwif      = init_hwif_svwks,
-               .host_flags     = IDE_HFLAG_LEGACY_IRQS | IDE_HFLAG_SINGLE |
-                                 IDE_HFLAG_BOOTABLE,
+               .host_flags     = IDE_HFLAGS_SVWKS | IDE_HFLAG_SINGLE,
                .pio_mask       = ATA_PIO4,
                .mwdma_mask     = ATA_MWDMA2,
                .udma_mask      = ATA_UDMA5,
@@ -428,7 +418,9 @@ static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device
 
        d = serverworks_chipsets[idx];
 
-       if (idx == 2 || idx == 3) {
+       if (idx == 1)
+               d.host_flags |= IDE_HFLAG_CLEAR_SIMPLEX;
+       else if (idx == 2 || idx == 3) {
                if ((PCI_FUNC(dev->devfn) & 1) == 0) {
                        if (pci_resource_start(dev, 0) != 0x01f1)
                                d.host_flags &= ~IDE_HFLAG_BOOTABLE;