41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
--- a/drivers/ide/pci/pdc202xx_old.c
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+++ b/drivers/ide/pci/pdc202xx_old.c
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@@ -253,23 +253,23 @@ static int pdc202xx_tune_chipset (ide_dr
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pci_read_config_byte(dev, (drive_pci)|0x03, &DP);
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if (speed < XFER_SW_DMA_0) {
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- if ((AP & 0x0F) || (BP & 0x07)) {
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+ if ((AP & 0x0F) || (BP & 0x17)) {
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/* clear PIO modes of lower 8421 bits of A Register */
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pci_write_config_byte(dev, (drive_pci), AP &~0x0F);
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pci_read_config_byte(dev, (drive_pci), &AP);
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/* clear PIO modes of lower 421 bits of B Register */
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- pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x07);
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+ pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0x17);
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pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
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pci_read_config_byte(dev, (drive_pci), &AP);
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pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
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}
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} else {
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- if ((BP & 0xF0) && (CP & 0x0F)) {
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+ if ((BP & 0xE0) && (CP & 0x0F)) {
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/* clear DMA modes of upper 842 bits of B Register */
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/* clear PIO forced mode upper 1 bit of B Register */
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- pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xF0);
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+ pci_write_config_byte(dev, (drive_pci)|0x01, BP &~0xE0);
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pci_read_config_byte(dev, (drive_pci)|0x01, &BP);
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/* clear DMA modes of lower 8421 bits of C Register */
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@@ -373,6 +373,9 @@ static int config_chipset_for_dma (ide_d
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u8 ultra_66 = ((id->dma_ultra & 0x0010) ||
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(id->dma_ultra & 0x0008)) ? 1 : 0;
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+ if (hwif->rqsize != 256)
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+ hwif->rqsize = 256;
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+
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switch(dev->device) {
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case PCI_DEVICE_ID_PROMISE_20267:
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case PCI_DEVICE_ID_PROMISE_20265:
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