diff options
-rw-r--r-- | drivers/ide/pci/pdc202xx_old.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/ide/pci/pdc202xx_old.c b/drivers/ide/pci/pdc202xx_old.c index b46022a11bef..184cdacddeb6 100644 --- a/drivers/ide/pci/pdc202xx_old.c +++ b/drivers/ide/pci/pdc202xx_old.c | |||
@@ -154,7 +154,8 @@ static int pdc202xx_tune_chipset (ide_drive_t *drive, u8 xferspeed) | |||
154 | u8 AP, BP, CP, DP; | 154 | u8 AP, BP, CP, DP; |
155 | u8 TA = 0, TB = 0, TC = 0; | 155 | u8 TA = 0, TB = 0, TC = 0; |
156 | 156 | ||
157 | if ((drive->media != ide_disk) && (speed < XFER_SW_DMA_0)) | 157 | if (drive->media != ide_disk && |
158 | drive->media != ide_cdrom && speed < XFER_SW_DMA_0) | ||
158 | return -1; | 159 | return -1; |
159 | 160 | ||
160 | pci_read_config_dword(dev, drive_pci, &drive_conf); | 161 | pci_read_config_dword(dev, drive_pci, &drive_conf); |
@@ -330,14 +331,12 @@ static int config_chipset_for_dma (ide_drive_t *drive) | |||
330 | 331 | ||
331 | chipset_is_set: | 332 | chipset_is_set: |
332 | 333 | ||
333 | if (drive->media == ide_disk) { | 334 | pci_read_config_byte(dev, (drive_pci), &AP); |
334 | pci_read_config_byte(dev, (drive_pci), &AP); | 335 | if (id->capability & 4) /* IORDY_EN */ |
335 | if (id->capability & 4) /* IORDY_EN */ | 336 | pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN); |
336 | pci_write_config_byte(dev, (drive_pci), AP|IORDY_EN); | 337 | pci_read_config_byte(dev, (drive_pci), &AP); |
337 | pci_read_config_byte(dev, (drive_pci), &AP); | 338 | if (drive->media == ide_disk) /* PREFETCH_EN */ |
338 | if (drive->media == ide_disk) /* PREFETCH_EN */ | 339 | pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN); |
339 | pci_write_config_byte(dev, (drive_pci), AP|PREFETCH_EN); | ||
340 | } | ||
341 | 340 | ||
342 | speed = ide_dma_speed(drive, pdc202xx_ratemask(drive)); | 341 | speed = ide_dma_speed(drive, pdc202xx_ratemask(drive)); |
343 | 342 | ||
@@ -385,7 +384,7 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive) | |||
385 | { | 384 | { |
386 | if (drive->current_speed > XFER_UDMA_2) | 385 | if (drive->current_speed > XFER_UDMA_2) |
387 | pdc_old_enable_66MHz_clock(drive->hwif); | 386 | pdc_old_enable_66MHz_clock(drive->hwif); |
388 | if (drive->addressing == 1) { | 387 | if (drive->media != ide_disk || drive->addressing == 1) { |
389 | struct request *rq = HWGROUP(drive)->rq; | 388 | struct request *rq = HWGROUP(drive)->rq; |
390 | ide_hwif_t *hwif = HWIF(drive); | 389 | ide_hwif_t *hwif = HWIF(drive); |
391 | unsigned long high_16 = hwif->dma_master; | 390 | unsigned long high_16 = hwif->dma_master; |
@@ -405,7 +404,7 @@ static void pdc202xx_old_ide_dma_start(ide_drive_t *drive) | |||
405 | 404 | ||
406 | static int pdc202xx_old_ide_dma_end(ide_drive_t *drive) | 405 | static int pdc202xx_old_ide_dma_end(ide_drive_t *drive) |
407 | { | 406 | { |
408 | if (drive->addressing == 1) { | 407 | if (drive->media != ide_disk || drive->addressing == 1) { |
409 | ide_hwif_t *hwif = HWIF(drive); | 408 | ide_hwif_t *hwif = HWIF(drive); |
410 | unsigned long high_16 = hwif->dma_master; | 409 | unsigned long high_16 = hwif->dma_master; |
411 | unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20); | 410 | unsigned long atapi_reg = high_16 + (hwif->channel ? 0x24 : 0x20); |
@@ -519,6 +518,7 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif) | |||
519 | hwif->ultra_mask = 0x3f; | 518 | hwif->ultra_mask = 0x3f; |
520 | hwif->mwdma_mask = 0x07; | 519 | hwif->mwdma_mask = 0x07; |
521 | hwif->swdma_mask = 0x07; | 520 | hwif->swdma_mask = 0x07; |
521 | hwif->atapi_dma = 1; | ||
522 | 522 | ||
523 | hwif->err_stops_fifo = 1; | 523 | hwif->err_stops_fifo = 1; |
524 | 524 | ||