[media] sh_veu: keep power supply until the m2m context is released

In the sh_veu driver, only the interrupt handler 'sh_veu_bh'
can invoke the v4l2_m2m_job_finish() function.
So the hardware must be alive for handling interrupts
until returning from v4l2_m2m_ctx_release().

Signed-off-by: Katsuya Matsubara <[email protected]>
Signed-off-by: Guennadi Liakhovetski <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

Author: Katsuya Matsubara

drivers/media/platform/sh_veu.c

@@ -1033,8 +1033,6 @@ static int sh_veu_release(struct file *file)
 
 	dev_dbg(veu->dev, "Releasing instance %p\n", veu_file);
 
-	pm_runtime_put(veu->dev);
-
 	if (veu_file == veu->capture) {
 		veu->capture = NULL;
 		vb2_queue_release(v4l2_m2m_get_vq(veu->m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE));
@@ -1050,6 +1048,8 @@ static int sh_veu_release(struct file *file)
 		veu->m2m_ctx = NULL;
 	}
 
+	pm_runtime_put(veu->dev);
+
 	kfree(veu_file);
 
 	return 0;