X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fplatform%2Frenesas%2Frzg2l-cru%2Frzg2l-video.c;fp=drivers%2Fmedia%2Fplatform%2Frenesas%2Frzg2l-cru%2Frzg2l-video.c;h=b16b8af6e8f8cb067fbdd71cf9b49cb4784eaaea;hb=eb7cca1faf9883d7b4da792281147dbedc449238;hp=d0ffa90bc6567ccc8c46be4fb3a61fb534945f99;hpb=c442a42363b2ce5c3eb2b0ff1e052ee956f0a29f;p=linux-2.6-microblaze.git

diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
index d0ffa90bc656..b16b8af6e8f8 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-video.c
@@ -430,13 +430,6 @@ int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru)
 
 	spin_lock_irqsave(&cru->qlock, flags);
 
-	/* Initialize image convert */
-	ret = rzg2l_cru_initialize_image_conv(cru, fmt);
-	if (ret) {
-		spin_unlock_irqrestore(&cru->qlock, flags);
-		return ret;
-	}
-
 	/* Select a video input */
 	rzg2l_cru_write(cru, CRUnCTRL, CRUnCTRL_VINSEL(0));
 
@@ -450,6 +443,13 @@ int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru)
 	/* Initialize the AXI master */
 	rzg2l_cru_initialize_axi(cru);
 
+	/* Initialize image convert */
+	ret = rzg2l_cru_initialize_image_conv(cru, fmt);
+	if (ret) {
+		spin_unlock_irqrestore(&cru->qlock, flags);
+		return ret;
+	}
+
 	/* Enable interrupt */
 	rzg2l_cru_write(cru, CRUnIE, CRUnIE_EFE);
 
@@ -461,16 +461,6 @@ int rzg2l_cru_start_image_processing(struct rzg2l_cru_dev *cru)
 	return 0;
 }
 
-void rzg2l_cru_vclk_unprepare(struct rzg2l_cru_dev *cru)
-{
-	clk_disable_unprepare(cru->vclk);
-}
-
-int rzg2l_cru_vclk_prepare(struct rzg2l_cru_dev *cru)
-{
-	return clk_prepare_enable(cru->vclk);
-}
-
 static int rzg2l_cru_set_stream(struct rzg2l_cru_dev *cru, int on)
 {
 	struct media_pipeline *pipe;
@@ -499,39 +489,24 @@ static int rzg2l_cru_set_stream(struct rzg2l_cru_dev *cru, int on)
 
 		video_device_pipeline_stop(&cru->vdev);
 
-		pm_runtime_put_sync(cru->dev);
-		clk_disable_unprepare(cru->vclk);
-
 		return stream_off_ret;
 	}
 
-	ret = pm_runtime_resume_and_get(cru->dev);
-	if (ret)
-		return ret;
-
-	ret = clk_prepare_enable(cru->vclk);
-	if (ret)
-		goto err_pm_put;
-
 	ret = rzg2l_cru_mc_validate_format(cru, sd, pad);
 	if (ret)
-		goto err_vclk_disable;
+		return ret;
 
 	pipe = media_entity_pipeline(&sd->entity) ? : &cru->vdev.pipe;
 	ret = video_device_pipeline_start(&cru->vdev, pipe);
 	if (ret)
-		goto err_vclk_disable;
+		return ret;
 
 	ret = v4l2_subdev_call(sd, video, pre_streamon, 0);
-	if (ret == -ENOIOCTLCMD)
-		ret = 0;
-	if (ret)
+	if (ret && ret != -ENOIOCTLCMD)
 		goto pipe_line_stop;
 
 	ret = v4l2_subdev_call(sd, video, s_stream, 1);
-	if (ret == -ENOIOCTLCMD)
-		ret = 0;
-	if (ret)
+	if (ret && ret != -ENOIOCTLCMD)
 		goto err_s_stream;
 
 	return 0;
@@ -542,12 +517,6 @@ err_s_stream:
 pipe_line_stop:
 	video_device_pipeline_stop(&cru->vdev);
 
-err_vclk_disable:
-	clk_disable_unprepare(cru->vclk);
-
-err_pm_put:
-	pm_runtime_put_sync(cru->dev);
-
 	return ret;
 }
 
@@ -646,25 +615,33 @@ static int rzg2l_cru_start_streaming_vq(struct vb2_queue *vq, unsigned int count
 	struct rzg2l_cru_dev *cru = vb2_get_drv_priv(vq);
 	int ret;
 
+	ret = pm_runtime_resume_and_get(cru->dev);
+	if (ret)
+		return ret;
+
+	ret = clk_prepare_enable(cru->vclk);
+	if (ret)
+		goto err_pm_put;
+
 	/* Release reset state */
 	ret = reset_control_deassert(cru->aresetn);
 	if (ret) {
 		dev_err(cru->dev, "failed to deassert aresetn\n");
-		return ret;
+		goto err_vclk_disable;
 	}
 
 	ret = reset_control_deassert(cru->presetn);
 	if (ret) {
 		reset_control_assert(cru->aresetn);
 		dev_err(cru->dev, "failed to deassert presetn\n");
-		return ret;
+		goto assert_aresetn;
 	}
 
 	ret = request_irq(cru->image_conv_irq, rzg2l_cru_irq,
 			  IRQF_SHARED, KBUILD_MODNAME, cru);
 	if (ret) {
 		dev_err(cru->dev, "failed to request irq\n");
-		goto assert_resets;
+		goto assert_presetn;
 	}
 
 	/* Allocate scratch buffer. */
@@ -696,10 +673,18 @@ out:
 free_image_conv_irq:
 	free_irq(cru->image_conv_irq, cru);
 
-assert_resets:
+assert_presetn:
 	reset_control_assert(cru->presetn);
+
+assert_aresetn:
 	reset_control_assert(cru->aresetn);
 
+err_vclk_disable:
+	clk_disable_unprepare(cru->vclk);
+
+err_pm_put:
+	pm_runtime_put_sync(cru->dev);
+
 	return ret;
 }
 
@@ -714,9 +699,11 @@ static void rzg2l_cru_stop_streaming_vq(struct vb2_queue *vq)
 			  cru->scratch, cru->scratch_phys);
 
 	free_irq(cru->image_conv_irq, cru);
-	reset_control_assert(cru->presetn);
-
 	return_unused_buffers(cru, VB2_BUF_STATE_ERROR);
+
+	reset_control_assert(cru->presetn);
+	clk_disable_unprepare(cru->vclk);
+	pm_runtime_put_sync(cru->dev);
 }
 
 static const struct vb2_ops rzg2l_cru_qops = {