diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-08 16:30:55 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-03-08 16:30:55 -0700 |
| commit | d15c22e78674f9a5bc0de0932a43abe1aafae303 (patch) | |
| tree | 3e4198c44bd2d9184e91647346c66aa95e28f843 /drivers/ata/pata_legacy.c | |
| parent | 0f4954819fb6f840d46076f0dbd313ef5da48f5d (diff) | |
| parent | fec6c6fec3e20637bee5d276fb61dd8b49a3f9cc (diff) | |
| download | op-kernel-dev-d15c22e78674f9a5bc0de0932a43abe1aafae303.zip op-kernel-dev-d15c22e78674f9a5bc0de0932a43abe1aafae303.tar.gz | |
Merge commit 'v2.6.29-rc7' into next
Diffstat (limited to 'drivers/ata/pata_legacy.c')
| -rw-r--r-- | drivers/ata/pata_legacy.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 6c1d778..e3bc1b4 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -283,9 +283,10 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev) static unsigned int pdc_data_xfer_vlb(struct ata_device *dev, unsigned char *buf, unsigned int buflen, int rw) { - if (ata_id_has_dword_io(dev->id)) { + int slop = buflen & 3; + /* 32bit I/O capable *and* we need to write a whole number of dwords */ + if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3)) { struct ata_port *ap = dev->link->ap; - int slop = buflen & 3; unsigned long flags; local_irq_save(flags); @@ -735,7 +736,7 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf, struct ata_port *ap = adev->link->ap; int slop = buflen & 3; - if (ata_id_has_dword_io(adev->id)) { + if (ata_id_has_dword_io(adev->id) && (slop == 0 || slop == 3)) { if (rw == WRITE) iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2); else |
