media: mtk-vpu/mtk_vpu.h: fix kernel-doc warnings

A top-level documentation block was missing 'DOC:'.

Fix typos in vpu_wdt_reg_handler() and vpu_mapping_dm_addr().
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Irui Wang <irui.wang@mediatek.com>
Cc: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/mtk-vpu/mtk_vpu.h

@@ -10,10 +10,12 @@
 #include <linux/platform_device.h>
 
 /**
+ * DOC: VPU
+ *
  * VPU (video processor unit) is a tiny processor controlling video hardware
  * related to video codec, scaling and color format converting.
  * VPU interfaces with other blocks by share memory and interrupt.
- **/
+ */
 
 typedef void (*ipi_handler_t) (const void *data,
 			       unsigned int len,
@@ -126,18 +128,18 @@ struct platform_device *vpu_get_plat_device(struct platform_device *pdev);
  * vpu_wdt_reg_handler - register a VPU watchdog handler
  *
  * @pdev:               VPU platform device
- * @vpu_wdt_reset_func:	the callback reset function
- * @private_data:       the private data for reset function
- * @rst_id:		reset id
+ * @vpu_wdt_reset_func():	the callback reset function
+ *	@priv: the private data for reset function
+ * @priv:		the private data for reset function
+ * @id:			reset id
  *
  * Register a handler performing own tasks when vpu reset by watchdog
  *
  * Return: Return 0 if the handler is added successfully,
  * otherwise it is failed.
- *
  **/
 int vpu_wdt_reg_handler(struct platform_device *pdev,
-			void vpu_wdt_reset_func(void *),
+			void vpu_wdt_reset_func(void *priv),
 			void *priv, enum rst_id id);
 
 /**
@@ -172,7 +174,7 @@ int vpu_load_firmware(struct platform_device *pdev);
  * vpu_mapping_dm_addr - Mapping DTCM/DMEM to kernel virtual address
  *
  * @pdev:		VPU platform device
- * @dmem_addr:	VPU's data memory address
+ * @dtcm_dmem_addr:	VPU's data memory address
  *
  * Mapping the VPU's DTCM (Data Tightly-Coupled Memory) /
  * DMEM (Data Extended Memory) memory address to