diff options
Diffstat (limited to 'drivers/base/dd.c')
| -rw-r--r-- | drivers/base/dd.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 63390a416..6a2aa8562 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -220,7 +220,16 @@ static int deferred_devs_show(struct seq_file *s, void *data) } DEFINE_SHOW_ATTRIBUTE(deferred_devs); +#ifdef CONFIG_MODULES +/* + * In the case of modules, set the default probe timeout to + * 30 seconds to give userland some time to load needed modules + */ +static int deferred_probe_timeout = 30; +#else +/* In the case of !modules, no probe timeout needed */ static int deferred_probe_timeout = -1; +#endif static int __init deferred_probe_timeout_setup(char *str) { deferred_probe_timeout = simple_strtol(str, NULL, 10); @@ -902,8 +911,12 @@ static int __driver_attach(struct device *dev, void *data) */ return 0; } else if (ret < 0) { - dev_dbg(dev, "Bus failed to match device: %d", ret); - return ret; + dev_dbg(dev, "Bus failed to match device: %d\n", ret); + /* + * Driver could not match with device, but may match with + * another device on the bus. + */ + return 0; } /* ret > 0 means positive match */ if (dev->parent && dev->bus->need_parent_lock) |