aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-dma.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-25 14:23:37 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-25 14:23:37 -0400
commita37f6b84c4f3d3ca61634a7b36bf64c6ea452271 (patch)
tree308105401c7c60f91903d6da78c938f1cc74578f /drivers/ide/ide-dma.c
parent9d73777e500929b71dcfed16eec05f6760e345a6 (diff)
parentd7e2f36d9a92284754ed5254562766cb3d61c7ca (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide cs5520: Initialize second port's interrupt number. ide: improve handling of Power Management requests ide: add QUANTUM FIREBALLct20 30 with firmware APL.090 to ivb_list[] ide: relax DMA info validity checking ide-cd: Improve "weird block size" error message ide-cd: Don't warn on bogus block size unless it actually matters. ide: fix handling of unexpected IRQs vs request_irq()
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;