staging: most: video: remove aim designators

This patch takes the 'aim' prefixes and variable names off the module and
uses component instead. It is needed because userspace interfacing modules
are referred to as components.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/most/video/video.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * V4L2 AIM - V4L2 Application Interface Module for MostCore
+ * V4L2 Component - V4L2 Application Interface Module for MostCore
  *
  * Copyright (C) 2015, Microchip Technology Germany II GmbH & Co. KG
  */
@@ -23,9 +23,9 @@
 
 #include "most/core.h"
 
-#define V4L2_AIM_MAX_INPUT  1
+#define V4L2_CMP_MAX_INPUT  1
 
-static struct core_component aim_info;
+static struct core_component comp;
 
 struct most_video_dev {
 	struct most_interface *iface;
@@ -46,7 +46,7 @@ struct most_video_dev {
 	wait_queue_head_t wait_data;
 };
 
-struct aim_fh {
+struct comp_fh {
 	/* must be the first field of this struct! */
 	struct v4l2_fh fh;
 	struct most_video_dev *mdev;
@@ -66,14 +66,14 @@ static inline struct mbo *get_top_mbo(struct most_video_dev *mdev)
 	return list_first_entry(&mdev->pending_mbos, struct mbo, list);
 }
 
-static int aim_vdev_open(struct file *filp)
+static int comp_vdev_open(struct file *filp)
 {
 	int ret;
 	struct video_device *vdev = video_devdata(filp);
 	struct most_video_dev *mdev = video_drvdata(filp);
-	struct aim_fh *fh;
+	struct comp_fh *fh;
 
-	v4l2_info(&mdev->v4l2_dev, "aim_vdev_open()\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_vdev_open()\n");
 
 	switch (vdev->vfl_type) {
 	case VFL_TYPE_GRABBER:
@@ -98,7 +98,7 @@ static int aim_vdev_open(struct file *filp)
 
 	v4l2_fh_add(&fh->fh);
 
-	ret = most_start_channel(mdev->iface, mdev->ch_idx, &aim_info);
+	ret = most_start_channel(mdev->iface, mdev->ch_idx, &comp);
 	if (ret) {
 		v4l2_err(&mdev->v4l2_dev, "most_start_channel() failed\n");
 		goto err_rm;
@@ -116,13 +116,13 @@ err_dec:
 	return ret;
 }
 
-static int aim_vdev_close(struct file *filp)
+static int comp_vdev_close(struct file *filp)
 {
-	struct aim_fh *fh = filp->private_data;
+	struct comp_fh *fh = filp->private_data;
 	struct most_video_dev *mdev = fh->mdev;
 	struct mbo *mbo, *tmp;
 
-	v4l2_info(&mdev->v4l2_dev, "aim_vdev_close()\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_vdev_close()\n");
 
 	/*
 	 * We need to put MBOs back before we call most_stop_channel()
@@ -142,7 +142,7 @@ static int aim_vdev_close(struct file *filp)
 		spin_lock_irq(&mdev->list_lock);
 	}
 	spin_unlock_irq(&mdev->list_lock);
-	most_stop_channel(mdev->iface, mdev->ch_idx, &aim_info);
+	most_stop_channel(mdev->iface, mdev->ch_idx, &comp);
 	mdev->mute = false;
 
 	v4l2_fh_del(&fh->fh);
@@ -153,10 +153,10 @@ static int aim_vdev_close(struct file *filp)
 	return 0;
 }
 
-static ssize_t aim_vdev_read(struct file *filp, char __user *buf,
-			     size_t count, loff_t *pos)
+static ssize_t comp_vdev_read(struct file *filp, char __user *buf,
+			      size_t count, loff_t *pos)
 {
-	struct aim_fh *fh = filp->private_data;
+	struct comp_fh *fh = filp->private_data;
 	struct most_video_dev *mdev = fh->mdev;
 	int ret = 0;
 
@@ -203,9 +203,9 @@ static ssize_t aim_vdev_read(struct file *filp, char __user *buf,
 	return ret;
 }
 
-static unsigned int aim_vdev_poll(struct file *filp, poll_table *wait)
+static unsigned int comp_vdev_poll(struct file *filp, poll_table *wait)
 {
-	struct aim_fh *fh = filp->private_data;
+	struct comp_fh *fh = filp->private_data;
 	struct most_video_dev *mdev = fh->mdev;
 	unsigned int mask = 0;
 
@@ -218,7 +218,7 @@ static unsigned int aim_vdev_poll(struct file *filp, poll_table *wait)
 	return mask;
 }
 
-static void aim_set_format_struct(struct v4l2_format *f)
+static void comp_set_format_struct(struct v4l2_format *f)
 {
 	f->fmt.pix.width = 8;
 	f->fmt.pix.height = 8;
@@ -230,8 +230,8 @@ static void aim_set_format_struct(struct v4l2_format *f)
 	f->fmt.pix.priv = 0;
 }
 
-static int aim_set_format(struct most_video_dev *mdev, unsigned int cmd,
-			  struct v4l2_format *format)
+static int comp_set_format(struct most_video_dev *mdev, unsigned int cmd,
+			   struct v4l2_format *format)
 {
 	if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_MPEG)
 		return -EINVAL;
@@ -239,7 +239,7 @@ static int aim_set_format(struct most_video_dev *mdev, unsigned int cmd,
 	if (cmd == VIDIOC_TRY_FMT)
 		return 0;
 
-	aim_set_format_struct(format);
+	comp_set_format_struct(format);
 
 	return 0;
 }
@@ -247,12 +247,12 @@ static int aim_set_format(struct most_video_dev *mdev, unsigned int cmd,
 static int vidioc_querycap(struct file *file, void *priv,
 			   struct v4l2_capability *cap)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
 	v4l2_info(&mdev->v4l2_dev, "vidioc_querycap()\n");
 
-	strlcpy(cap->driver, "v4l2_most_aim", sizeof(cap->driver));
+	strlcpy(cap->driver, "v4l2_component", sizeof(cap->driver));
 	strlcpy(cap->card, "MOST", sizeof(cap->card));
 	snprintf(cap->bus_info, sizeof(cap->bus_info),
 		 "%s", mdev->iface->description);
@@ -267,7 +267,7 @@ static int vidioc_querycap(struct file *file, void *priv,
 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 				   struct v4l2_fmtdesc *f)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
 	v4l2_info(&mdev->v4l2_dev, "vidioc_enum_fmt_vid_cap() %d\n", f->index);
@@ -286,36 +286,36 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
 				struct v4l2_format *f)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
 	v4l2_info(&mdev->v4l2_dev, "vidioc_g_fmt_vid_cap()\n");
 
-	aim_set_format_struct(f);
+	comp_set_format_struct(f);
 	return 0;
 }
 
 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
 				  struct v4l2_format *f)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
-	return aim_set_format(mdev, VIDIOC_TRY_FMT, f);
+	return comp_set_format(mdev, VIDIOC_TRY_FMT, f);
 }
 
 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
 				struct v4l2_format *f)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
-	return aim_set_format(mdev, VIDIOC_S_FMT, f);
+	return comp_set_format(mdev, VIDIOC_S_FMT, f);
 }
 
 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
 	v4l2_info(&mdev->v4l2_dev, "vidioc_g_std()\n");
@@ -327,10 +327,10 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
 static int vidioc_enum_input(struct file *file, void *priv,
 			     struct v4l2_input *input)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
-	if (input->index >= V4L2_AIM_MAX_INPUT)
+	if (input->index >= V4L2_CMP_MAX_INPUT)
 		return -EINVAL;
 
 	strcpy(input->name, "MOST Video");
@@ -344,7 +344,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
 
 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 	*i = mdev->ctrl_input;
 	return 0;
@@ -352,23 +352,23 @@ static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
 
 static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
 {
-	struct aim_fh *fh = priv;
+	struct comp_fh *fh = priv;
 	struct most_video_dev *mdev = fh->mdev;
 
 	v4l2_info(&mdev->v4l2_dev, "vidioc_s_input(%d)\n", index);
 
-	if (index >= V4L2_AIM_MAX_INPUT)
+	if (index >= V4L2_CMP_MAX_INPUT)
 		return -EINVAL;
 	mdev->ctrl_input = index;
 	return 0;
 }
 
-static const struct v4l2_file_operations aim_fops = {
+static const struct v4l2_file_operations comp_fops = {
 	.owner      = THIS_MODULE,
-	.open       = aim_vdev_open,
-	.release    = aim_vdev_close,
-	.read       = aim_vdev_read,
-	.poll       = aim_vdev_poll,
+	.open       = comp_vdev_open,
+	.release    = comp_vdev_close,
+	.read       = comp_vdev_read,
+	.poll       = comp_vdev_poll,
 	.unlocked_ioctl = video_ioctl2,
 };
 
@@ -384,8 +384,8 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = {
 	.vidioc_s_input             = vidioc_s_input,
 };
 
-static const struct video_device aim_videodev_template = {
-	.fops = &aim_fops,
+static const struct video_device comp_videodev_template = {
+	.fops = &comp_fops,
 	.release = video_device_release,
 	.ioctl_ops = &video_ioctl_ops,
 	.tvnorms = V4L2_STD_UNKNOWN,
@@ -393,7 +393,7 @@ static const struct video_device aim_videodev_template = {
 
 /**************************************************************************/
 
-static struct most_video_dev *get_aim_dev(
+static struct most_video_dev *get_comp_dev(
 	struct most_interface *iface, int channel_idx)
 {
 	struct most_video_dev *mdev;
@@ -410,11 +410,11 @@ static struct most_video_dev *get_aim_dev(
 	return NULL;
 }
 
-static int aim_rx_data(struct mbo *mbo)
+static int comp_rx_data(struct mbo *mbo)
 {
 	unsigned long flags;
 	struct most_video_dev *mdev =
-		get_aim_dev(mbo->ifp, mbo->hdm_channel_id);
+		get_comp_dev(mbo->ifp, mbo->hdm_channel_id);
 
 	if (!mdev)
 		return -EIO;
@@ -431,11 +431,11 @@ static int aim_rx_data(struct mbo *mbo)
 	return 0;
 }
 
-static int aim_register_videodev(struct most_video_dev *mdev)
+static int comp_register_videodev(struct most_video_dev *mdev)
 {
 	int ret;
 
-	v4l2_info(&mdev->v4l2_dev, "aim_register_videodev()\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_register_videodev()\n");
 
 	init_waitqueue_head(&mdev->wait_data);
 
@@ -445,7 +445,7 @@ static int aim_register_videodev(struct most_video_dev *mdev)
 		return -ENOMEM;
 
 	/* Fill the video capture device struct */
-	*mdev->vdev = aim_videodev_template;
+	*mdev->vdev = comp_videodev_template;
 	mdev->vdev->v4l2_dev = &mdev->v4l2_dev;
 	mdev->vdev->lock = &mdev->lock;
 	snprintf(mdev->vdev->name, sizeof(mdev->vdev->name), "MOST: %s",
@@ -463,14 +463,14 @@ static int aim_register_videodev(struct most_video_dev *mdev)
 	return ret;
 }
 
-static void aim_unregister_videodev(struct most_video_dev *mdev)
+static void comp_unregister_videodev(struct most_video_dev *mdev)
 {
-	v4l2_info(&mdev->v4l2_dev, "aim_unregister_videodev()\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_unregister_videodev()\n");
 
 	video_unregister_device(mdev->vdev);
 }
 
-static void aim_v4l2_dev_release(struct v4l2_device *v4l2_dev)
+static void comp_v4l2_dev_release(struct v4l2_device *v4l2_dev)
 {
 	struct most_video_dev *mdev =
 		container_of(v4l2_dev, struct most_video_dev, v4l2_dev);
@@ -479,13 +479,13 @@ static void aim_v4l2_dev_release(struct v4l2_device *v4l2_dev)
 	kfree(mdev);
 }
 
-static int aim_probe_channel(struct most_interface *iface, int channel_idx,
-			     struct most_channel_config *ccfg, char *name)
+static int comp_probe_channel(struct most_interface *iface, int channel_idx,
+			      struct most_channel_config *ccfg, char *name)
 {
 	int ret;
-	struct most_video_dev *mdev = get_aim_dev(iface, channel_idx);
+	struct most_video_dev *mdev = get_comp_dev(iface, channel_idx);
 
-	pr_info("aim_probe_channel(%s)\n", name);
+	pr_info("comp_probe_channel(%s)\n", name);
 
 	if (mdev) {
 		pr_err("channel already linked\n");
@@ -513,7 +513,7 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx,
 	INIT_LIST_HEAD(&mdev->pending_mbos);
 	mdev->iface = iface;
 	mdev->ch_idx = channel_idx;
-	mdev->v4l2_dev.release = aim_v4l2_dev_release;
+	mdev->v4l2_dev.release = comp_v4l2_dev_release;
 
 	/* Create the v4l2_device */
 	strlcpy(mdev->v4l2_dev.name, name, sizeof(mdev->v4l2_dev.name));
@@ -524,14 +524,14 @@ static int aim_probe_channel(struct most_interface *iface, int channel_idx,
 		return ret;
 	}
 
-	ret = aim_register_videodev(mdev);
+	ret = comp_register_videodev(mdev);
 	if (ret)
 		goto err_unreg;
 
 	spin_lock_irq(&list_lock);
 	list_add(&mdev->list, &video_devices);
 	spin_unlock_irq(&list_lock);
-	v4l2_info(&mdev->v4l2_dev, "aim_probe_channel() done\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_probe_channel() done\n");
 	return 0;
 
 err_unreg:
@@ -540,42 +540,42 @@ err_unreg:
 	return ret;
 }
 
-static int aim_disconnect_channel(struct most_interface *iface,
+static int comp_disconnect_channel(struct most_interface *iface,
 				  int channel_idx)
 {
-	struct most_video_dev *mdev = get_aim_dev(iface, channel_idx);
+	struct most_video_dev *mdev = get_comp_dev(iface, channel_idx);
 
 	if (!mdev) {
 		pr_err("no such channel is linked\n");
 		return -ENOENT;
 	}
 
-	v4l2_info(&mdev->v4l2_dev, "aim_disconnect_channel()\n");
+	v4l2_info(&mdev->v4l2_dev, "comp_disconnect_channel()\n");
 
 	spin_lock_irq(&list_lock);
 	list_del(&mdev->list);
 	spin_unlock_irq(&list_lock);
 
-	aim_unregister_videodev(mdev);
+	comp_unregister_videodev(mdev);
 	v4l2_device_disconnect(&mdev->v4l2_dev);
 	v4l2_device_put(&mdev->v4l2_dev);
 	return 0;
 }
 
-static struct core_component aim_info = {
-	.name = "v4l",
-	.probe_channel = aim_probe_channel,
-	.disconnect_channel = aim_disconnect_channel,
-	.rx_completion = aim_rx_data,
+static struct core_component comp_info = {
+	.name = "video",
+	.probe_channel = comp_probe_channel,
+	.disconnect_channel = comp_disconnect_channel,
+	.rx_completion = comp_rx_data,
 };
 
-static int __init aim_init(void)
+static int __init comp_init(void)
 {
 	spin_lock_init(&list_lock);
-	return most_register_component(&aim_info);
+	return most_register_component(&comp);
 }
 
-static void __exit aim_exit(void)
+static void __exit comp_exit(void)
 {
 	struct most_video_dev *mdev, *tmp;
 
@@ -590,20 +590,20 @@ static void __exit aim_exit(void)
 		list_del(&mdev->list);
 		spin_unlock_irq(&list_lock);
 
-		aim_unregister_videodev(mdev);
+		comp_unregister_videodev(mdev);
 		v4l2_device_disconnect(&mdev->v4l2_dev);
 		v4l2_device_put(&mdev->v4l2_dev);
 		spin_lock_irq(&list_lock);
 	}
 	spin_unlock_irq(&list_lock);
 
-	most_deregister_component(&aim_info);
+	most_deregister_component(&comp_info);
 	BUG_ON(!list_empty(&video_devices));
 }
 
-module_init(aim_init);
-module_exit(aim_exit);
+module_init(comp_init);
+module_exit(comp_exit);
 
-MODULE_DESCRIPTION("V4L2 Application Interface Module for MostCore");
+MODULE_DESCRIPTION("V4L2 Component Module for MostCore");
 MODULE_AUTHOR("Andrey Shvetsov <andrey.shvetsov@k2l.de>");
 MODULE_LICENSE("GPL");