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path: root/drivers/ide/ide-dma.c
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Diffstat (limited to 'drivers/ide/ide-dma.c')
-rw-r--r--drivers/ide/ide-dma.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 219e6fb78dc6..ee58c88dee5a 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -361,9 +361,6 @@ static int ide_tune_dma(ide_drive_t *drive)
361 if (__ide_dma_bad_drive(drive)) 361 if (__ide_dma_bad_drive(drive))
362 return 0; 362 return 0;
363 363
364 if (ide_id_dma_bug(drive))
365 return 0;
366
367 if (hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA) 364 if (hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA)
368 return config_drive_for_dma(drive); 365 return config_drive_for_dma(drive);
369 366
@@ -394,24 +391,6 @@ static int ide_dma_check(ide_drive_t *drive)
394 return -1; 391 return -1;
395} 392}
396 393
397int ide_id_dma_bug(ide_drive_t *drive)
398{
399 u16 *id = drive->id;
400
401 if (id[ATA_ID_FIELD_VALID] & 4) {
402 if ((id[ATA_ID_UDMA_MODES] >> 8) &&
403 (id[ATA_ID_MWDMA_MODES] >> 8))
404 goto err_out;
405 } else if ((id[ATA_ID_MWDMA_MODES] >> 8) &&
406 (id[ATA_ID_SWDMA_MODES] >> 8))
407 goto err_out;
408
409 return 0;
410err_out:
411 printk(KERN_ERR "%s: bad DMA info in identify block\n", drive->name);
412 return 1;
413}
414
415int ide_set_dma(ide_drive_t *drive) 394int ide_set_dma(ide_drive_t *drive)
416{ 395{
417 int rc; 396 int rc;