diff options
Diffstat (limited to 'sys/dev/ata/ata-disk.c')
| -rw-r--r-- | sys/dev/ata/ata-disk.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sys/dev/ata/ata-disk.c b/sys/dev/ata/ata-disk.c index fb8942e..6d90b40 100644 --- a/sys/dev/ata/ata-disk.c +++ b/sys/dev/ata/ata-disk.c @@ -71,7 +71,8 @@ ad_probe(device_t dev) struct ata_device *atadev = device_get_softc(dev); if (!(atadev->param.config & ATA_PROTO_ATAPI) || - (atadev->param.config == ATA_CFA_MAGIC)) + (atadev->param.config == ATA_CFA_MAGIC1) || + (atadev->param.config == ATA_CFA_MAGIC2)) return 0; else return ENXIO; @@ -295,8 +296,14 @@ ad_dump(void *arg, void *virtual, vm_offset_t physical, struct bio bp; /* length zero is special and really means flush buffers to media */ - if (!length) - return ata_controlcmd(dp->d_drv1, ATA_FLUSHCACHE, 0, 0, 0); + if (!length) { + struct ata_device *atadev = device_get_softc(dp->d_drv1); + int error = 0; + + if (atadev->param.support.command2 & ATA_SUPPORT_FLUSHCACHE) + error = ata_controlcmd(dp->d_drv1, ATA_FLUSHCACHE, 0, 0, 0); + return error; + } bzero(&bp, sizeof(struct bio)); bp.bio_disk = dp; |
