diff options
Diffstat (limited to 'drivers/core/device.c')
| -rw-r--r-- | drivers/core/device.c | 54 |
1 files changed, 40 insertions, 14 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index efd07176e37..d917d4e82da 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -518,6 +518,14 @@ int device_probe(struct udevice *dev) dev_or_flags(dev, DM_FLAG_ACTIVATED); + if (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent && + (device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) && + !(drv->flags & DM_FLAG_DEFAULT_PD_CTRL_OFF)) { + ret = dev_power_domain_on(dev); + if (ret) + goto fail; + } + /* * Process pinctrl for everything except the root device, and * continue regardless of the result of pinctrl. Don't process pinctrl @@ -533,15 +541,11 @@ 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 (CONFIG_IS_ENABLED(POWER_DOMAIN) && dev->parent && - (device_get_uclass_id(dev) != UCLASS_POWER_DOMAIN) && - !(drv->flags & DM_FLAG_DEFAULT_PD_CTRL_OFF)) { - ret = dev_power_domain_on(dev); - if (ret) - goto fail; + 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(IOMMU) && dev->parent && @@ -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; |