aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/v4l2-core
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/v4l2-dev.c35
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c10
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c8
-rw-r--r--drivers/media/v4l2-core/videobuf-dma-sg.c15
-rw-r--r--drivers/media/v4l2-core/videobuf2-vmalloc.c9
5 files changed, 34 insertions, 43 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 9aa530a8bea9..86bb93fd7db8 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -47,15 +47,15 @@ static ssize_t index_show(struct device *cd,
}
static DEVICE_ATTR_RO(index);
-static ssize_t debug_show(struct device *cd,
+static ssize_t dev_debug_show(struct device *cd,
struct device_attribute *attr, char *buf)
{
struct video_device *vdev = to_video_device(cd);
- return sprintf(buf, "%i\n", vdev->debug);
+ return sprintf(buf, "%i\n", vdev->dev_debug);
}
-static ssize_t debug_store(struct device *cd, struct device_attribute *attr,
+static ssize_t dev_debug_store(struct device *cd, struct device_attribute *attr,
const char *buf, size_t len)
{
struct video_device *vdev = to_video_device(cd);
@@ -66,10 +66,10 @@ static ssize_t debug_store(struct device *cd, struct device_attribute *attr,
if (res)
return res;
- vdev->debug = value;
+ vdev->dev_debug = value;
return len;
}
-static DEVICE_ATTR_RW(debug);
+static DEVICE_ATTR_RW(dev_debug);
static ssize_t name_show(struct device *cd,
struct device_attribute *attr, char *buf)
@@ -82,7 +82,7 @@ static DEVICE_ATTR_RO(name);
static struct attribute *video_device_attrs[] = {
&dev_attr_name.attr,
- &dev_attr_debug.attr,
+ &dev_attr_dev_debug.attr,
&dev_attr_index.attr,
NULL,
};
@@ -304,7 +304,8 @@ static ssize_t v4l2_read(struct file *filp, char __user *buf,
return -EINVAL;
if (video_is_registered(vdev))
ret = vdev->fops->read(filp, buf, sz, off);
- if (vdev->debug)
+ if ((vdev->dev_debug & V4L2_DEV_DEBUG_FOP) &&
+ (vdev->dev_debug & V4L2_DEV_DEBUG_STREAMING))
printk(KERN_DEBUG "%s: read: %zd (%d)\n",
video_device_node_name(vdev), sz, ret);
return ret;
@@ -320,7 +321,8 @@ static ssize_t v4l2_write(struct file *filp, const char __user *buf,
return -EINVAL;
if (video_is_registered(vdev))
ret = vdev->fops->write(filp, buf, sz, off);
- if (vdev->debug)
+ if ((vdev->dev_debug & V4L2_DEV_DEBUG_FOP) &&
+ (vdev->dev_debug & V4L2_DEV_DEBUG_STREAMING))
printk(KERN_DEBUG "%s: write: %zd (%d)\n",
video_device_node_name(vdev), sz, ret);
return ret;
@@ -335,7 +337,7 @@ static unsigned int v4l2_poll(struct file *filp, struct poll_table_struct *poll)
return DEFAULT_POLLMASK;
if (video_is_registered(vdev))
res = vdev->fops->poll(filp, poll);
- if (vdev->debug > 2)
+ if (vdev->dev_debug & V4L2_DEV_DEBUG_POLL)
printk(KERN_DEBUG "%s: poll: %08x\n",
video_device_node_name(vdev), res);
return res;
@@ -404,7 +406,7 @@ static unsigned long v4l2_get_unmapped_area(struct file *filp,
if (!video_is_registered(vdev))
return -ENODEV;
ret = vdev->fops->get_unmapped_area(filp, addr, len, pgoff, flags);
- if (vdev->debug)
+ if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: get_unmapped_area (%d)\n",
video_device_node_name(vdev), ret);
return ret;
@@ -420,7 +422,7 @@ static int v4l2_mmap(struct file *filp, struct vm_area_struct *vm)
return -ENODEV;
if (video_is_registered(vdev))
ret = vdev->fops->mmap(filp, vm);
- if (vdev->debug)
+ if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: mmap (%d)\n",
video_device_node_name(vdev), ret);
return ret;
@@ -450,7 +452,7 @@ static int v4l2_open(struct inode *inode, struct file *filp)
ret = -ENODEV;
}
- if (vdev->debug)
+ if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: open (%d)\n",
video_device_node_name(vdev), ret);
/* decrease the refcount in case of an error */
@@ -467,7 +469,7 @@ static int v4l2_release(struct inode *inode, struct file *filp)
if (vdev->fops->release)
ret = vdev->fops->release(filp);
- if (vdev->debug)
+ if (vdev->dev_debug & V4L2_DEV_DEBUG_FOP)
printk(KERN_DEBUG "%s: release\n",
video_device_node_name(vdev));
@@ -1033,10 +1035,3 @@ MODULE_AUTHOR("Alan Cox, Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_DESCRIPTION("Device registrar for Video4Linux drivers v2");
MODULE_LICENSE("GPL");
MODULE_ALIAS_CHARDEV_MAJOR(VIDEO_MAJOR);
-
-
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index faac2f4e0f3a..b08407225db1 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -2339,7 +2339,7 @@ static long __video_do_ioctl(struct file *file,
const struct v4l2_ioctl_info *info;
void *fh = file->private_data;
struct v4l2_fh *vfh = NULL;
- int debug = vfd->debug;
+ int dev_debug = vfd->dev_debug;
long ret = -ENOTTY;
if (ops == NULL) {
@@ -2388,11 +2388,15 @@ static long __video_do_ioctl(struct file *file,
}
done:
- if (debug) {
+ if (dev_debug & (V4L2_DEV_DEBUG_IOCTL | V4L2_DEV_DEBUG_IOCTL_ARG)) {
+ if (!(dev_debug & V4L2_DEV_DEBUG_STREAMING) &&
+ (cmd == VIDIOC_QBUF || cmd == VIDIOC_DQBUF))
+ return ret;
+
v4l_printk_ioctl(video_device_node_name(vfd), cmd);
if (ret < 0)
pr_cont(": error %ld", ret);
- if (debug == V4L2_DEBUG_IOCTL)
+ if (!(dev_debug & V4L2_DEV_DEBUG_IOCTL_ARG))
pr_cont("\n");
else if (_IOC_DIR(cmd) == _IOC_NONE)
info->debug(arg, write_only);
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index 543631c3557a..19a034e79be4 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -283,10 +283,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
if (rval)
return rval;
- rval = v4l2_subdev_call(sd, pad, get_crop, subdev_fh, crop);
- if (rval != -ENOIOCTLCMD)
- return rval;
-
memset(&sel, 0, sizeof(sel));
sel.which = crop->which;
sel.pad = crop->pad;
@@ -308,10 +304,6 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
if (rval)
return rval;
- rval = v4l2_subdev_call(sd, pad, set_crop, subdev_fh, crop);
- if (rval != -ENOIOCTLCMD)
- return rval;
-
memset(&sel, 0, sizeof(sel));
sel.which = crop->which;
sel.pad = crop->pad;
diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c b/drivers/media/v4l2-core/videobuf-dma-sg.c
index 3ff15f1c9d70..f669cedca8bd 100644
--- a/drivers/media/v4l2-core/videobuf-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf-dma-sg.c
@@ -145,12 +145,11 @@ struct videobuf_dmabuf *videobuf_to_dma(struct videobuf_buffer *buf)
}
EXPORT_SYMBOL_GPL(videobuf_to_dma);
-void videobuf_dma_init(struct videobuf_dmabuf *dma)
+static void videobuf_dma_init(struct videobuf_dmabuf *dma)
{
memset(dma, 0, sizeof(*dma));
dma->magic = MAGIC_DMABUF;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init);
static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
int direction, unsigned long data, unsigned long size)
@@ -195,7 +194,7 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
return 0;
}
-int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
unsigned long data, unsigned long size)
{
int ret;
@@ -206,9 +205,8 @@ int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
return ret;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_user);
-int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
int nr_pages)
{
int i;
@@ -267,9 +265,8 @@ out_free_pages:
return -ENOMEM;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_kernel);
-int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
dma_addr_t addr, int nr_pages)
{
dprintk(1, "init overlay [%d pages @ bus 0x%lx]\n",
@@ -284,9 +281,8 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
return 0;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_overlay);
-int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
+static int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
BUG_ON(0 == dma->nr_pages);
@@ -328,7 +324,6 @@ int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
return 0;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_map);
int videobuf_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma)
{
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c
index fba944e50227..bcde88572429 100644
--- a/drivers/media/v4l2-core/videobuf2-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c
@@ -95,7 +95,7 @@ static void *vb2_vmalloc_get_userptr(void *alloc_ctx, unsigned long vaddr,
if (vb2_get_contig_userptr(vaddr, size, &vma, &physp))
goto fail_pages_array_alloc;
buf->vma = vma;
- buf->vaddr = ioremap_nocache(physp, size);
+ buf->vaddr = (__force void *)ioremap_nocache(physp, size);
if (!buf->vaddr)
goto fail_pages_array_alloc;
} else {
@@ -155,7 +155,7 @@ static void vb2_vmalloc_put_userptr(void *buf_priv)
kfree(buf->pages);
} else {
vb2_put_vma(buf->vma);
- iounmap(buf->vaddr);
+ iounmap((__force void __iomem *)buf->vaddr);
}
kfree(buf);
}
@@ -211,6 +211,7 @@ static int vb2_vmalloc_mmap(void *buf_priv, struct vm_area_struct *vma)
return 0;
}
+#ifdef CONFIG_HAS_DMA
/*********************************************/
/* DMABUF ops for exporters */
/*********************************************/
@@ -380,6 +381,8 @@ static struct dma_buf *vb2_vmalloc_get_dmabuf(void *buf_priv, unsigned long flag
return dbuf;
}
+#endif /* CONFIG_HAS_DMA */
+
/*********************************************/
/* callbacks for DMABUF buffers */
@@ -437,7 +440,9 @@ const struct vb2_mem_ops vb2_vmalloc_memops = {
.put = vb2_vmalloc_put,
.get_userptr = vb2_vmalloc_get_userptr,
.put_userptr = vb2_vmalloc_put_userptr,
+#ifdef CONFIG_HAS_DMA
.get_dmabuf = vb2_vmalloc_get_dmabuf,
+#endif
.map_dmabuf = vb2_vmalloc_map_dmabuf,
.unmap_dmabuf = vb2_vmalloc_unmap_dmabuf,
.attach_dmabuf = vb2_vmalloc_attach_dmabuf,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.