[media] cx25821: remove unnecessary global devlist

This device list is not necessary. The kernel already has all that information,
so just use that instead.
Also remove a bogus refcount and some dead 'private_free' code in the alsa driver.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/media/pci/cx25821/cx25821.h b/drivers/media/pci/cx25821/cx25821.h
index d7e71f46defc..195b00407b5a 100644
--- a/drivers/media/pci/cx25821/cx25821.h
+++ b/drivers/media/pci/cx25821/cx25821.h
@@ -238,9 +238,9 @@ struct cx25821_channel {
         int cif_width;
 };
 
+struct snd_card;
+
 struct cx25821_dev {
-        struct list_head devlist;
-        atomic_t refcount;
         struct v4l2_device v4l2_dev;
 
         /* pci stuff */
@@ -252,6 +252,8 @@ struct cx25821_dev {
         u8 __iomem *bmmio;
         int pci_irqmask;
         int hwrevision;
+        /* used by cx25821-alsa */
+        struct snd_card *card;
 
         u32 clk_freq;
 
@@ -403,9 +405,6 @@ static inline struct cx25821_dev *get_cx25821(struct v4l2_device *v4l2_dev)
 #define cx25821_call_all(dev, o, f, args...) \
         v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args)
 
-extern struct list_head cx25821_devlist;
-extern struct mutex cx25821_devlist_mutex;
-
 extern struct cx25821_board cx25821_boards[];
 extern struct cx25821_subid cx25821_subids[];