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-rw-r--r--drivers/core/device-remove.c17
-rw-r--r--drivers/core/root.c9
-rw-r--r--include/dm/root.h16
3 files changed, 38 insertions, 4 deletions
diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c
index b80bf52320..cc0043b990 100644
--- a/drivers/core/device-remove.c
+++ b/drivers/core/device-remove.c
@@ -174,7 +174,13 @@ int device_remove(struct udevice *dev, uint flags)
if (ret)
goto err;
- if (drv->remove) {
+ /*
+ * Remove the device if called with the "normal" remove flag set,
+ * or if the remove flag matches any of the drivers remove flags
+ */
+ if (drv->remove &&
+ ((flags & DM_REMOVE_NORMAL) ||
+ (flags & (drv->flags & DM_FLAG_ACTIVE_DMA)))) {
ret = drv->remove(dev);
if (ret)
goto err_remove;
@@ -188,10 +194,13 @@ int device_remove(struct udevice *dev, uint flags)
}
}
- device_free(dev);
+ if ((flags & DM_REMOVE_NORMAL) ||
+ (flags & (drv->flags & DM_FLAG_ACTIVE_DMA))) {
+ device_free(dev);
- dev->seq = -1;
- dev->flags &= ~DM_FLAG_ACTIVATED;
+ dev->seq = -1;
+ dev->flags &= ~DM_FLAG_ACTIVATED;
+ }
return ret;
diff --git a/drivers/core/root.c b/drivers/core/root.c
index d8c51fb496..42679d047c 100644
--- a/drivers/core/root.c
+++ b/drivers/core/root.c
@@ -184,6 +184,15 @@ int dm_uninit(void)
return 0;
}
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+int dm_remove_devices_flags(uint flags)
+{
+ device_remove(dm_root(), flags);
+
+ return 0;
+}
+#endif
+
int dm_scan_platdata(bool pre_reloc_only)
{
int ret;
diff --git a/include/dm/root.h b/include/dm/root.h
index 3cf730dcee..058eb98923 100644
--- a/include/dm/root.h
+++ b/include/dm/root.h
@@ -115,4 +115,20 @@ int dm_init(void);
*/
int dm_uninit(void);
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+/**
+ * dm_remove_devices_flags - Call remove function of all drivers with
+ * specific removal flags set to selectively
+ * remove drivers
+ *
+ * All devices with the matching flags set will be removed
+ *
+ * @flags: Flags for selective device removal
+ * @return 0 if OK, -ve on error
+ */
+int dm_remove_devices_flags(uint flags);
+#else
+static inline int dm_remove_devices_flags(uint flags) { return 0; }
+#endif
+
#endif