diff options
author | David S. Miller <davem@davemloft.net> | 2009-03-18 23:53:57 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-03-18 23:53:57 -0700 |
commit | 0702b30dd821ac8a4103ddbe545518713fdca9be (patch) | |
tree | 8ce0c9f5e58c5ccb99870505eecd139986caa05e /drivers/ata/pata_legacy.c | |
parent | 192d7a4667c6d11d1a174ec4cad9a3c5d5f9043c (diff) | |
parent | a1e4ee22863d41a6fbb24310d7951836cb6dafe7 (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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 6c1d778b63a..e3bc1b43628 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 |