diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2018-08-09 16:17:45 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2018-08-21 16:21:37 +0200 |
| commit | 3be9bcb04883497b422f3f2e4a468657056dd48d (patch) | |
| tree | 79f1d053520c4b767421d9034555231c000c14bb /drivers | |
| parent | 7ec9181d6a2b68480a289c36e5729487f2a4add1 (diff) | |
device: expose the functions used to remove and unbind children of a device
Also add a 'drv' parameter to filter the children to remove/unbind.
Exporting those functions is a preparatory work for the addition of the
bind/unbind commands.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/core/device-remove.c | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c index 1cf2278e9e..586fadee0a 100644 --- a/drivers/core/device-remove.c +++ b/drivers/core/device-remove.c @@ -17,16 +17,7 @@ #include <dm/uclass-internal.h> #include <dm/util.h> -/** - * device_chld_unbind() - Unbind all device's children from the device - * - * On error, the function continues to unbind all children, and reports the - * first error. - * - * @dev: The device that is to be stripped of its children - * @return 0 on success, -ve on error - */ -static int device_chld_unbind(struct udevice *dev) +int device_chld_unbind(struct udevice *dev, struct driver *drv) { struct udevice *pos, *n; int ret, saved_ret = 0; @@ -34,6 +25,9 @@ static int device_chld_unbind(struct udevice *dev) assert(dev); list_for_each_entry_safe(pos, n, &dev->child_head, sibling_node) { + if (drv && (pos->driver != drv)) + continue; + ret = device_unbind(pos); if (ret && !saved_ret) saved_ret = ret; @@ -42,13 +36,8 @@ static int device_chld_unbind(struct udevice *dev) return saved_ret; } -/** - * device_chld_remove() - Stop all device's children - * @dev: The device whose children are to be removed - * @pre_os_remove: Flag, if this functions is called in the pre-OS stage - * @return 0 on success, -ve on error - */ -static int device_chld_remove(struct udevice *dev, uint flags) +int device_chld_remove(struct udevice *dev, struct driver *drv, + uint flags) { struct udevice *pos, *n; int ret; @@ -56,6 +45,9 @@ static int device_chld_remove(struct udevice *dev, uint flags) assert(dev); list_for_each_entry_safe(pos, n, &dev->child_head, sibling_node) { + if (drv && (pos->driver != drv)) + continue; + ret = device_remove(pos, flags); if (ret) return ret; @@ -87,7 +79,7 @@ int device_unbind(struct udevice *dev) return ret; } - ret = device_chld_unbind(dev); + ret = device_chld_unbind(dev, NULL); if (ret) return ret; @@ -178,7 +170,7 @@ int device_remove(struct udevice *dev, uint flags) if (ret) return ret; - ret = device_chld_remove(dev, flags); + ret = device_chld_remove(dev, NULL, flags); if (ret) goto err; |