ide: remove CONFIG_BLK_DEV_IDEDMA_FORCED
This code doesn't use pci_assign_resource() and ide_get_or_set_dma_base() uses
pci_resource_start() to get DMA base address so it has no chance of working.
Moreover this belongs to PCI quirks (in case somebody would like to fix it).
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 1129f8c..f620da4 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -145,27 +145,13 @@
}
#ifdef CONFIG_BLK_DEV_IDEDMA_PCI
-
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
-/*
- * Long lost data from 2.0.34 that is now in 2.0.39
- *
- * This was used in ./drivers/block/triton.c to do DMA Base address setup
- * when PnP failed. Oh the things we forget. I believe this was part
- * of SFF-8038i that has been withdrawn from public access... :-((
- */
-#define DEFAULT_BMIBA 0xe800 /* in case BIOS did not init it */
-#define DEFAULT_BMCRBA 0xcc00 /* VIA's default value */
-#define DEFAULT_BMALIBA 0xd400 /* ALI's default value */
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
-
/**
* ide_get_or_set_dma_base - setup BMIBA
* @hwif: Interface
*
- * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space:
- * If need be we set up the DMA base. Where a device has a partner that
- * is already in DMA mode we check and enforce IDE simplex rules.
+ * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space.
+ * Where a device has a partner that is already in DMA mode we check
+ * and enforce IDE simplex rules.
*/
static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif)
@@ -173,12 +159,6 @@
unsigned long dma_base = 0;
struct pci_dev *dev = hwif->pci_dev;
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
- int second_chance = 0;
-
-second_chance_to_dma:
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
-
if (hwif->mmio)
return hwif->dma_base;
@@ -192,26 +172,6 @@
}
}
-#ifdef CONFIG_BLK_DEV_IDEDMA_FORCED
- /* FIXME - should use pci_assign_resource surely */
- if ((!dma_base) && (!second_chance)) {
- unsigned long set_bmiba = 0;
- second_chance++;
- switch(dev->vendor) {
- case PCI_VENDOR_ID_AL:
- set_bmiba = DEFAULT_BMALIBA; break;
- case PCI_VENDOR_ID_VIA:
- set_bmiba = DEFAULT_BMCRBA; break;
- case PCI_VENDOR_ID_INTEL:
- set_bmiba = DEFAULT_BMIBA; break;
- default:
- return dma_base;
- }
- pci_write_config_dword(dev, 0x20, set_bmiba|1);
- goto second_chance_to_dma;
- }
-#endif /* CONFIG_BLK_DEV_IDEDMA_FORCED */
-
if (dma_base) {
u8 simplex_stat = 0;
dma_base += hwif->channel ? 8 : 0;