diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-10 19:22:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-09-10 19:22:59 -0700 |
| commit | 0eb096933a02226dd0b6a2199453fcf0936bf7e4 (patch) | |
| tree | 5b2959425b8266db2a950f8d83fac13dda4e25f8 /drivers/ata/pata_it821x.c | |
| parent | 980abe215b861891c39aba0936817c46f372143b (diff) | |
| parent | 3dcc323fe8d7158bd662c04d41ba8b25fa3ce27b (diff) | |
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata clear horkage on ata_dev_init()
[libata, IDE] add new VIA bridge to VIA PATA drivers
pata_it821x: fix lost interrupt with atapi devices
Fix broken pata_via cable detection
Diffstat (limited to 'drivers/ata/pata_it821x.c')
| -rw-r--r-- | drivers/ata/pata_it821x.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index ed637ae33ec..5d8b91e70ec 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -533,6 +533,10 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; struct it821x_dev *itdev = ap->private_data; + /* Only use dma for transfers to/from the media. */ + if (qc->nbytes < 2048) + return -EOPNOTSUPP; + /* No ATAPI DMA in smart mode */ if (itdev->smart) return -EOPNOTSUPP; |