target/linux/brcm-2.4/patches/013-wl_hdd_pdc202xx.patch

   1 --- a/drivers/ide/pci/pdc202xx_old.c
   2 +++ b/drivers/ide/pci/pdc202xx_old.c
   3 @@ -253,23 +253,23 @@ static int pdc202xx_tune_chipset (ide_dr
   4         pci_read_config_byte(dev, (drive_pci)|0x03, &DP);
   5
   6         if (speed < XFER_SW_DMA_0) {
   7 -               if ((AP & 0x0F) || (BP & 0x07)) {
   8 +               if ((AP & 0x0F) || (BP & 0x17)) {
   9                         /* clear PIO modes of lower 8421 bits of A Register */
  10                         pci_write_config_byte(dev, (drive_pci), AP &~0x0F);
  11                         pci_read_config_byte(dev, (drive_pci), &AP);
  12
  13                         /* clear PIO modes of lower 421 bits of B Register */
  14 -                       pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x07);
  15 +                       pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x17);
  16                         pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
  17
  18                         pci_read_config_byte(dev, (drive_pci), &AP);
  19                         pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
  20                 }
  21         } else {
  22 -               if ((BP & 0xF0) && (CP & 0x0F)) {
  23 +               if ((BP & 0xE0) && (CP & 0x0F)) {
  24                         /* clear DMA modes of upper 842 bits of B Register */
  25                         /* clear PIO forced mode upper 1 bit of B Register */
  26 -                       pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xF0);
  27 +                       pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xE0);
  28                         pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
  29
  30                         /* clear DMA modes of lower 8421 bits of C Register */
  31 @@ -373,6 +373,9 @@ static int config_chipset_for_dma (ide_d
  32         u8 ultra_66             = ((id->dma_ultra & 0x0010) ||
  33                                    (id->dma_ultra & 0x0008)) ? 1 : 0;
  34
  35 +       if (hwif->rqsize != 256)
  36 +               hwif->rqsize = 256;
  37 +
  38         switch(dev->device) {
  39                 case PCI_DEVICE_ID_PROMISE_20267:
  40                 case PCI_DEVICE_ID_PROMISE_20265: