diff options
Diffstat (limited to 'drivers/base')
-rw-r--r-- | drivers/base/power/domain.c | 2 | ||||
-rw-r--r-- | drivers/base/soc.c | 52 |
2 files changed, 34 insertions, 20 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index ad196427b4f2..da49a8383dc3 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1636,8 +1636,6 @@ static struct generic_pm_domain *genpd_xlate_simple( struct of_phandle_args *genpdspec, void *data) { - if (genpdspec->args_count != 0) - return ERR_PTR(-EINVAL); return data; } diff --git a/drivers/base/soc.c b/drivers/base/soc.c index dc26e5949a32..909dedae4c4e 100644 --- a/drivers/base/soc.c +++ b/drivers/base/soc.c @@ -109,15 +109,18 @@ static void soc_release(struct device *dev) kfree(soc_dev); } +static struct soc_device_attribute *early_soc_dev_attr; + struct soc_device *soc_device_register(struct soc_device_attribute *soc_dev_attr) { struct soc_device *soc_dev; int ret; if (!soc_bus_type.p) { - ret = bus_register(&soc_bus_type); - if (ret) - goto out1; + if (early_soc_dev_attr) + return ERR_PTR(-EBUSY); + early_soc_dev_attr = soc_dev_attr; + return NULL; } soc_dev = kzalloc(sizeof(*soc_dev), GFP_KERNEL); @@ -159,45 +162,53 @@ void soc_device_unregister(struct soc_device *soc_dev) ida_simple_remove(&soc_ida, soc_dev->soc_dev_num); device_unregister(&soc_dev->dev); + early_soc_dev_attr = NULL; } static int __init soc_bus_register(void) { - if (soc_bus_type.p) - return 0; + int ret; - return bus_register(&soc_bus_type); + ret = bus_register(&soc_bus_type); + if (ret) + return ret; + + if (early_soc_dev_attr) + return PTR_ERR(soc_device_register(early_soc_dev_attr)); + + return 0; } core_initcall(soc_bus_register); -static int soc_device_match_one(struct device *dev, void *arg) +static int soc_device_match_attr(const struct soc_device_attribute *attr, + const struct soc_device_attribute *match) { - struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); - const struct soc_device_attribute *match = arg; - if (match->machine && - (!soc_dev->attr->machine || - !glob_match(match->machine, soc_dev->attr->machine))) + (!attr->machine || !glob_match(match->machine, attr->machine))) return 0; if (match->family && - (!soc_dev->attr->family || - !glob_match(match->family, soc_dev->attr->family))) + (!attr->family || !glob_match(match->family, attr->family))) return 0; if (match->revision && - (!soc_dev->attr->revision || - !glob_match(match->revision, soc_dev->attr->revision))) + (!attr->revision || !glob_match(match->revision, attr->revision))) return 0; if (match->soc_id && - (!soc_dev->attr->soc_id || - !glob_match(match->soc_id, soc_dev->attr->soc_id))) + (!attr->soc_id || !glob_match(match->soc_id, attr->soc_id))) return 0; return 1; } +static int soc_device_match_one(struct device *dev, void *arg) +{ + struct soc_device *soc_dev = container_of(dev, struct soc_device, dev); + + return soc_device_match_attr(soc_dev->attr, arg); +} + /* * soc_device_match - identify the SoC in the machine * @matches: zero-terminated array of possible matches @@ -230,6 +241,11 @@ const struct soc_device_attribute *soc_device_match( break; ret = bus_for_each_dev(&soc_bus_type, NULL, (void *)matches, soc_device_match_one); + if (ret < 0 && early_soc_dev_attr) + ret = soc_device_match_attr(early_soc_dev_attr, + matches); + if (ret < 0) + return NULL; if (!ret) matches++; else |