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@@ -232,7 +232,7 @@ static void sl82c105_resetproc(ide_drive_t *drive)
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* Return the revision of the Winbond bridge
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* which this function is part of.
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*/
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-static unsigned int sl82c105_bridge_revision(struct pci_dev *dev)
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+static u8 sl82c105_bridge_revision(struct pci_dev *dev)
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{
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struct pci_dev *bridge;
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@@ -287,27 +287,11 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c
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*/
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static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
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{
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- struct pci_dev *dev = to_pci_dev(hwif->dev);
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- unsigned int rev;
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-
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DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index));
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if (!hwif->dma_base)
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return;
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- rev = sl82c105_bridge_revision(dev);
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- if (rev <= 5) {
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- /*
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- * Never ever EVER under any circumstances enable
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- * DMA when the bridge is this old.
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- */
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- printk(" %s: Winbond W83C553 bridge revision %d, "
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- "BM-DMA disabled\n", hwif->name, rev);
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- return;
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- }
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-
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- hwif->mwdma_mask = ATA_MWDMA2;
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-
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hwif->dma_lost_irq = &sl82c105_dma_lost_irq;
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hwif->dma_start = &sl82c105_dma_start;
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hwif->ide_dma_end = &sl82c105_dma_end;
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@@ -337,11 +321,26 @@ static const struct ide_port_info sl82c105_chipset __devinitdata = {
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#endif
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IDE_HFLAG_NO_AUTODMA,
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.pio_mask = ATA_PIO5,
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+ .mwdma_mask = ATA_MWDMA2,
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};
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static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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{
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- return ide_setup_pci_device(dev, &sl82c105_chipset);
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+ struct ide_port_info d = sl82c105_chipset;
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+ u8 rev = sl82c105_bridge_revision(dev);
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+
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+ if (rev <= 5) {
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+ /*
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+ * Never ever EVER under any circumstances enable
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+ * DMA when the bridge is this old.
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+ */
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+ printk(KERN_INFO "W82C105_IDE: Winbond W83C553 bridge "
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+ "revision %d, BM-DMA disabled\n", rev);
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+ d.init_hwif = NULL;
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+ d.mwdma_mask = 0;
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+ }
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+
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+ return ide_setup_pci_device(dev, &d);
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}
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static const struct pci_device_id sl82c105_pci_tbl[] = {
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