diff options
Diffstat (limited to 'drivers/core/device.c')
| -rw-r--r-- | drivers/core/device.c | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index efd07176e3..4873c47d10 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -533,8 +533,12 @@ int device_probe(struct udevice *dev) * is set just above. However, the PCI bus' probe() method and * associated uclass methods have not yet been called. */ - if (dev->parent && device_get_uclass_id(dev) != UCLASS_PINCTRL) - pinctrl_select_state(dev, "default"); + if (dev->parent && device_get_uclass_id(dev) != UCLASS_PINCTRL) { + ret = pinctrl_select_state(dev, "default"); + if (ret && ret != -ENOSYS) + log_debug("Device '%s' failed to configure default pinctrl: %d (%s)\n", + dev->name, ret, errno_str(ret)); + } if (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent && (device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) && @@ -586,8 +590,12 @@ int device_probe(struct udevice *dev) if (ret) goto fail_uclass; - if (dev->parent && device_get_uclass_id(dev) == UCLASS_PINCTRL) - pinctrl_select_state(dev, "default"); + if (dev->parent && device_get_uclass_id(dev) == UCLASS_PINCTRL) { + ret = pinctrl_select_state(dev, "default"); + if (ret && ret != -ENOSYS) + log_debug("Device '%s' failed to configure default pinctrl: %d (%s)\n", + dev->name, ret, errno_str(ret)); + } return 0; fail_uclass: @@ -731,6 +739,17 @@ int device_get_child_count(const struct udevice *parent) return count; } +int device_get_decendent_count(const struct udevice *parent) +{ + const struct udevice *dev; + int count = 1; + + list_for_each_entry(dev, &parent->child_head, sibling_node) + count += device_get_decendent_count(dev); + + return count; +} + int device_find_child_by_seq(const struct udevice *parent, int seq, struct udevice **devp) { @@ -902,15 +921,16 @@ int device_find_first_child_by_uclass(const struct udevice *parent, return -ENODEV; } -int device_find_child_by_name(const struct udevice *parent, const char *name, - struct udevice **devp) +int device_find_child_by_namelen(const struct udevice *parent, const char *name, + int len, struct udevice **devp) { struct udevice *dev; *devp = NULL; list_for_each_entry(dev, &parent->child_head, sibling_node) { - if (!strcmp(dev->name, name)) { + if (!strncmp(dev->name, name, len) && + strlen(dev->name) == len) { *devp = dev; return 0; } @@ -919,6 +939,12 @@ int device_find_child_by_name(const struct udevice *parent, const char *name, return -ENODEV; } +int device_find_child_by_name(const struct udevice *parent, const char *name, + struct udevice **devp) +{ + return device_find_child_by_namelen(parent, name, strlen(name), devp); +} + int device_first_child_err(struct udevice *parent, struct udevice **devp) { struct udevice *dev; |