On 01/04/2017 06:48 AM, Vladimir Zapolskiy wrote:

On 01/03/2017 10:57 PM, Steve Longerbeam wrote:

quoted

+
+	ret = ic_ops[priv->task_id]->init(priv);
+	if (ret)
+		return ret;
+
+	ret = v4l2_async_register_subdev(&priv->sd);
+	if (ret)
+		goto remove;
+
+	return 0;
+remove:
+	ic_ops[priv->task_id]->remove(priv);
+	return ret;

if (ret)
	ic_ops[priv->task_id]->remove(priv);

return ret;

as an alternative.

done.

+
+static struct platform_driver imx_ic_driver = {
+	.probe = imx_ic_probe,
+	.remove = imx_ic_remove,
+	.id_table = imx_ic_ids,
+	.driver = {
+		.name = "imx-ipuv3-ic",
+		.owner = THIS_MODULE,
Please drop .owner assignment.

done.

quoted

diff --git a/drivers/staging/media/imx/imx-ic-pp.c b/drivers/staging/media/imx/imx-ic-pp.c
new file mode 100644
index 0000000..5ef0581
--- /dev/null
+++ b/drivers/staging/media/imx/imx-ic-pp.c

@@ -0,0 +1,636 @@
+/*
+ * V4L2 IC Post-Processor Subdev for Freescale i.MX5/6 SOC
+ *
+ * Copyright (c) 2014-2016 Mentor Graphics Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/pinctrl/consumer.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/v4l2-subdev.h>
+#include <media/v4l2-of.h>
+#include <media/v4l2-ctrls.h>

Please sort the list of headers alphabetically.

done.

quoted

+
+	priv->out_run = kzalloc(IMX_MEDIA_MAX_RING_BUFS *
+				sizeof(*priv->out_run), GFP_KERNEL);
+	if (!priv->out_run) {
+		v4l2_err(&ic_priv->sd, "failed to alloc src ring runs\n");

In OOM situation the core will report it, probably you can drop the message.

with a backtrace? I can't remember, if not I'd like to keep this.

quoted

diff --git a/drivers/staging/media/imx/imx-ic-prpenc.c b/drivers/staging/media/imx/imx-ic-prpenc.c
new file mode 100644
index 0000000..e17216b
--- /dev/null
+++ b/drivers/staging/media/imx/imx-ic-prpenc.c

@@ -0,0 +1,1037 @@
+/*
+ * V4L2 Capture IC Encoder Subdev for Freescale i.MX5/6 SOC
+ *
+ * This subdevice handles capture of video frames from the CSI, which
+ * are routed directly to the Image Converter preprocess encode task,
+ * for resizing, colorspace conversion, and rotation.
+ *
+ * Copyright (c) 2012-2016 Mentor Graphics Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/spinlock.h>
+#include <linux/platform_device.h>
+#include <linux/pinctrl/consumer.h>
+#include <media/v4l2-device.h>
+#include <media/v4l2-ioctl.h>
+#include <media/videobuf2-dma-contig.h>
+#include <media/v4l2-subdev.h>
+#include <media/v4l2-of.h>
+#include <media/v4l2-ctrls.h>

Please sort the list of headers alphabetically.

done.

quoted

+static irqreturn_t prpenc_eof_interrupt(int irq, void *dev_id)
+{
+	struct prpenc_priv *priv = dev_id;
+	struct imx_media_dma_buf *done, *next;
+	struct ipuv3_channel *channel;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->irqlock, flags);

Here spin_lock(&priv->irqlock) should be sufficient.

done.

quoted

+
+	ret = media_entity_pads_init(&sd->entity, PRPENC_NUM_PADS, priv->pad);
+	if (ret)
+		goto free_ctrls;
+
+	return 0;
+free_ctrls:
+	v4l2_ctrl_handler_free(&priv->ctrl_hdlr);
+	return ret;

if (ret)
	v4l2_ctrl_handler_free(&priv->ctrl_hdlr);

return ret;

version is shorter.

done.

done.

quoted

+/* prpvf_out_ch EOF interrupt (progressive frame ready) */
+static irqreturn_t prpvf_out_eof_interrupt(int irq, void *dev_id)
+{
+	struct prpvf_priv *priv = dev_id;
+	struct imx_media_dma_buf *done;
+	unsigned long flags;
+
+	spin_lock_irqsave(&priv->irqlock, flags);

Here spin_lock(&priv->irqlock) should be sufficient.

done.

quoted

diff --git a/drivers/staging/media/imx/imx-ic.h b/drivers/staging/media/imx/imx-ic.h
new file mode 100644
index 0000000..9aed5f5
--- /dev/null
+++ b/drivers/staging/media/imx/imx-ic.h

@@ -0,0 +1,36 @@
+/*
+ * V4L2 Image Converter Subdev for Freescale i.MX5/6 SOC
+ *
+ * Copyright (c) 2016 Mentor Graphics Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#ifndef _IMX_IC_H
+#define _IMX_IC_H
+

Please add header files or declarations of all used structs.

done (it only needs v4l2-subdev.h).

Steve





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