diff options
Diffstat (limited to 'usr/src/uts/i86pc/io/mc/mcamd_drv.c')
| -rw-r--r-- | usr/src/uts/i86pc/io/mc/mcamd_drv.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/usr/src/uts/i86pc/io/mc/mcamd_drv.c b/usr/src/uts/i86pc/io/mc/mcamd_drv.c index d7c9371795..284de242a9 100644 --- a/usr/src/uts/i86pc/io/mc/mcamd_drv.c +++ b/usr/src/uts/i86pc/io/mc/mcamd_drv.c @@ -1491,6 +1491,17 @@ mc_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) int chipid, rc; mc_t *mc; + /* + * This driver has no hardware state, but does + * claim to have a reg property, so it will be + * called on suspend. It is probably better to + * make sure it doesn't get called on suspend, + * but it is just as easy to make sure we just + * return DDI_SUCCESS if called. + */ + if (cmd == DDI_RESUME) + return (DDI_SUCCESS); + if (cmd != DDI_ATTACH || mc_no_attach != 0) return (DDI_FAILURE); @@ -1672,7 +1683,14 @@ mc_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) static int mc_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { - return (DDI_FAILURE); + /* + * See the comment about suspend in + * mc_attach(). + */ + if (cmd == DDI_SUSPEND) + return (DDI_SUCCESS); + else + return (DDI_FAILURE); } static struct dev_ops mc_ops = { |