diff options
Diffstat (limited to 'drivers/base/dd.c')
| -rw-r--r-- | drivers/base/dd.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 0df9b4461766..432a6f52cadb 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -250,10 +250,10 @@ int driver_deferred_probe_check_state(struct device *dev) { if (initcalls_done) { if (!deferred_probe_timeout) { - dev_WARN(dev, "deferred probe timeout, ignoring dependency"); + dev_WARN(dev, "deferred probe timeout, ignoring dependency\n"); return -ETIMEDOUT; } - dev_warn(dev, "ignoring dependency for device, assuming no driver"); + dev_warn(dev, "ignoring dependency for device, assuming no driver\n"); return -ENODEV; } return -EPROBE_DEFER; @@ -268,7 +268,7 @@ static void deferred_probe_timeout_work_func(struct work_struct *work) flush_work(&deferred_probe_work); list_for_each_entry_safe(private, p, &deferred_probe_pending_list, deferred_probe) - dev_info(private->device, "deferred probe pending"); + dev_info(private->device, "deferred probe pending\n"); } static DECLARE_DELAYED_WORK(deferred_probe_timeout_work, deferred_probe_timeout_work_func); @@ -328,7 +328,7 @@ bool device_is_bound(struct device *dev) static void driver_bound(struct device *dev) { if (device_is_bound(dev)) { - printk(KERN_WARNING "%s: device %s already bound\n", + pr_warn("%s: device %s already bound\n", __func__, kobject_name(&dev->kobj)); return; } @@ -477,7 +477,10 @@ static int really_probe(struct device *dev, struct device_driver *drv) atomic_inc(&probe_count); pr_debug("bus: '%s': %s: probing driver %s with device %s\n", drv->bus->name, __func__, drv->name, dev_name(dev)); - WARN_ON(!list_empty(&dev->devres_head)); + if (!list_empty(&dev->devres_head)) { + dev_crit(dev, "Resources present before probing\n"); + return -EBUSY; + } re_probe: dev->driver = drv; @@ -494,8 +497,8 @@ re_probe: } if (driver_sysfs_add(dev)) { - printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", - __func__, dev_name(dev)); + pr_err("%s: driver_sysfs_add(%s) failed\n", + __func__, dev_name(dev)); goto probe_failed; } @@ -574,9 +577,8 @@ pinctrl_bind_failed: break; default: /* driver matched but the probe failed */ - printk(KERN_WARNING - "%s: probe of %s failed with error %d\n", - drv->name, dev_name(dev), ret); + pr_warn("%s: probe of %s failed with error %d\n", + drv->name, dev_name(dev), ret); } /* * Ignore errors returned by ->probe so that the next driver can try @@ -601,8 +603,8 @@ static int really_probe_debug(struct device *dev, struct device_driver *drv) ret = really_probe(dev, drv); rettime = ktime_get(); delta = ktime_sub(rettime, calltime); - printk(KERN_DEBUG "probe of %s returned %d after %lld usecs\n", - dev_name(dev), ret, (s64) ktime_to_us(delta)); + pr_debug("probe of %s returned %d after %lld usecs\n", + dev_name(dev), ret, (s64) ktime_to_us(delta)); return ret; } @@ -686,8 +688,7 @@ static inline bool cmdline_requested_async_probing(const char *drv_name) static int __init save_async_options(char *buf) { if (strlen(buf) >= ASYNC_DRV_NAMES_MAX_LEN) - printk(KERN_WARNING - "Too long list of driver names for 'driver_async_probe'!\n"); + pr_warn("Too long list of driver names for 'driver_async_probe'!\n"); strlcpy(async_probe_drv_names, buf, ASYNC_DRV_NAMES_MAX_LEN); return 0; @@ -762,7 +763,7 @@ static int __device_attach_driver(struct device_driver *drv, void *_data) dev_dbg(dev, "Device match requests probe deferral\n"); driver_deferred_probe_add(dev); } else if (ret < 0) { - dev_dbg(dev, "Bus failed to match device: %d", ret); + dev_dbg(dev, "Bus failed to match device: %d\n", ret); return ret; } /* ret > 0 means positive match */ @@ -818,7 +819,9 @@ static int __device_attach(struct device *dev, bool allow_async) int ret = 0; device_lock(dev); - if (dev->driver) { + if (dev->p->dead) { + goto out_unlock; + } else if (dev->driver) { if (device_is_bound(dev)) { ret = 1; goto out_unlock; @@ -995,7 +998,7 @@ static int __driver_attach(struct device *dev, void *data) dev_dbg(dev, "Device match requests probe deferral\n"); driver_deferred_probe_add(dev); } else if (ret < 0) { - dev_dbg(dev, "Bus failed to match device: %d", ret); + dev_dbg(dev, "Bus failed to match device: %d\n", ret); return ret; } /* ret > 0 means positive match */ |