[media] radio-isa: get rid of warning: no previous prototype

drivers/media/radio/radio-isa.c:194:24: warning: no previous prototype for 'radio_isa_alloc' [-Wmissing-prototypes]
drivers/media/radio/radio-isa.c:210:5: warning: no previous prototype for 'radio_isa_common_probe' [-Wmissing-prototypes]
drivers/media/radio/radio-isa.c:290:5: warning: no previous prototype for 'radio_isa_common_remove' [-Wmissing-prototypes]

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c
index 3c0067de4324..84b7b9f4385e 100644
--- a/drivers/media/radio/radio-isa.c
+++ b/drivers/media/radio/radio-isa.c
@@ -191,7 +191,7 @@ static bool radio_isa_valid_io(const struct radio_isa_driver *drv, int io)
         return false;
 }
 
-struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv,
+static struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv,
                                 struct device *pdev)
 {
         struct v4l2_device *v4l2_dev;
@@ -207,8 +207,9 @@ struct radio_isa_card *radio_isa_alloc(struct radio_isa_driver *drv,
         return isa;
 }
 
-int radio_isa_common_probe(struct radio_isa_card *isa, struct device *pdev,
-                                int radio_nr, unsigned region_size)
+static int radio_isa_common_probe(struct radio_isa_card *isa,
+                                  struct device *pdev,
+                                  int radio_nr, unsigned region_size)
 {
         const struct radio_isa_driver *drv = isa->drv;
         const struct radio_isa_ops *ops = drv->ops;
@@ -287,7 +288,8 @@ err_dev_reg:
         return res;
 }
 
-int radio_isa_common_remove(struct radio_isa_card *isa, unsigned region_size)
+static int radio_isa_common_remove(struct radio_isa_card *isa,
+                                   unsigned region_size)
 {
         const struct radio_isa_ops *ops = isa->drv->ops;