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path: root/lib/efi_driver/efi_uclass.c
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Diffstat (limited to 'lib/efi_driver/efi_uclass.c')
-rw-r--r--lib/efi_driver/efi_uclass.c64
1 files changed, 35 insertions, 29 deletions
diff --git a/lib/efi_driver/efi_uclass.c b/lib/efi_driver/efi_uclass.c
index 74dd003243..45f9351988 100644
--- a/lib/efi_driver/efi_uclass.c
+++ b/lib/efi_driver/efi_uclass.c
@@ -11,7 +11,7 @@
* The uclass provides the bind, start, and stop entry points for the driver
* binding protocol.
*
- * In bind() and stop() it checks if the controller implements the protocol
+ * In supported() and bind() it checks if the controller implements the protocol
* supported by the EFI driver. In the start() function it calls the bind()
* function of the EFI driver. In the stop() function it destroys the child
* controllers.
@@ -97,10 +97,9 @@ static efi_status_t EFIAPI efi_uc_supported(
ret = check_node_type(controller_handle);
- r = EFI_CALL(systab.boottime->close_protocol(
- controller_handle, bp->ops->protocol,
- this->driver_binding_handle,
- controller_handle));
+ r = efi_close_protocol(controller_handle, bp->ops->protocol,
+ this->driver_binding_handle,
+ controller_handle);
if (r != EFI_SUCCESS)
ret = EFI_UNSUPPORTED;
out:
@@ -144,18 +143,18 @@ static efi_status_t EFIAPI efi_uc_start(
goto out;
}
ret = check_node_type(controller_handle);
- if (ret != EFI_SUCCESS) {
- r = EFI_CALL(systab.boottime->close_protocol(
- controller_handle, bp->ops->protocol,
- this->driver_binding_handle,
- controller_handle));
- if (r != EFI_SUCCESS)
- EFI_PRINT("Failure to close handle\n");
+ if (ret != EFI_SUCCESS)
+ goto err;
+ ret = bp->ops->bind(bp, controller_handle, interface);
+ if (ret == EFI_SUCCESS)
goto out;
- }
- /* TODO: driver specific stuff */
- bp->ops->bind(controller_handle, interface);
+err:
+ r = efi_close_protocol(controller_handle, bp->ops->protocol,
+ this->driver_binding_handle,
+ controller_handle);
+ if (r != EFI_SUCCESS)
+ EFI_PRINT("Failure to close handle\n");
out:
return EFI_EXIT(ret);
@@ -176,9 +175,8 @@ static efi_status_t disconnect_child(efi_handle_t controller_handle,
efi_guid_t *guid_controller = NULL;
efi_guid_t *guid_child_controller = NULL;
- ret = EFI_CALL(systab.boottime->close_protocol(
- controller_handle, guid_controller,
- child_handle, child_handle));
+ ret = efi_close_protocol(controller_handle, guid_controller,
+ child_handle, child_handle);
if (ret != EFI_SUCCESS) {
EFI_PRINT("Cannot close protocol\n");
return ret;
@@ -224,9 +222,10 @@ static efi_status_t EFIAPI efi_uc_stop(
ret = disconnect_child(controller_handle,
child_handle_buffer[i]);
if (ret != EFI_SUCCESS)
- return ret;
+ goto out;
}
- return EFI_SUCCESS;
+ ret = EFI_SUCCESS;
+ goto out;
}
/* Destroy all children */
@@ -245,14 +244,14 @@ static efi_status_t EFIAPI efi_uc_stop(
goto out;
}
}
- ret = EFI_CALL(systab.boottime->free_pool(entry_buffer));
+ ret = efi_free_pool(entry_buffer);
if (ret != EFI_SUCCESS)
log_err("Cannot free EFI memory pool\n");
/* Detach driver from controller */
- ret = EFI_CALL(systab.boottime->close_protocol(
- controller_handle, bp->ops->protocol,
- this->driver_binding_handle, controller_handle));
+ ret = efi_close_protocol(controller_handle, bp->ops->protocol,
+ this->driver_binding_handle,
+ controller_handle);
out:
return EFI_EXIT(ret);
}
@@ -283,7 +282,7 @@ static efi_status_t efi_add_driver(struct driver *drv)
bp->bp.start = efi_uc_start;
bp->bp.stop = efi_uc_stop;
bp->bp.version = 0xffffffff;
- bp->ops = drv->ops;
+ bp->ops = ops;
ret = efi_create_handle(&bp->bp.driver_binding_handle);
if (ret != EFI_SUCCESS) {
@@ -293,13 +292,20 @@ static efi_status_t efi_add_driver(struct driver *drv)
bp->bp.image_handle = bp->bp.driver_binding_handle;
ret = efi_add_protocol(bp->bp.driver_binding_handle,
&efi_guid_driver_binding_protocol, bp);
- if (ret != EFI_SUCCESS) {
- efi_delete_handle(bp->bp.driver_binding_handle);
- free(bp);
- goto out;
+ if (ret != EFI_SUCCESS)
+ goto err;
+ if (ops->init) {
+ ret = ops->init(bp);
+ if (ret != EFI_SUCCESS)
+ goto err;
}
out:
return ret;
+
+err:
+ efi_delete_handle(bp->bp.driver_binding_handle);
+ free(bp);
+ return ret;
}
/**