Make the function arguments of functions vpfe_{register/unregister}_ccdc_device
const as the pointer dev does not modify the fields of the structure
it points to. Also, declare the variable ccdc_dev const as it points to the
same structure as dev but it does not modify the fields as well.
Signed-off-by: Bhumika Goyal <bhumi...@gmail.com>
---
drivers/media/platform/davinci/ccdc_hw_device.h | 4 ++--
drivers/media/platform/davinci/vpfe_capture.c | 6 +++---
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/davinci/ccdc_hw_device.h
b/drivers/media/platform/davinci/ccdc_hw_device.h
index f1b5210..3482178 100644
--- a/drivers/media/platform/davinci/ccdc_hw_device.h
+++ b/drivers/media/platform/davinci/ccdc_hw_device.h
@@ -82,8 +82,8 @@ struct ccdc_hw_device {
};
/* Used by CCDC module to register & unregister with vpfe capture driver */
-int vpfe_register_ccdc_device(struct ccdc_hw_device *dev);
-void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev);
+int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev);
+void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev);
#endif
#endif
diff --git a/drivers/media/platform/davinci/vpfe_capture.c
b/drivers/media/platform/davinci/vpfe_capture.c
index 6792da1..7b3f6f8 100644
--- a/drivers/media/platform/davinci/vpfe_capture.c
+++ b/drivers/media/platform/davinci/vpfe_capture.c
@@ -115,7 +115,7 @@ struct ccdc_config {
};
/* ccdc device registered */
-static struct ccdc_hw_device *ccdc_dev;
+static const struct ccdc_hw_device *ccdc_dev;
/* lock for accessing ccdc information */
static DEFINE_MUTEX(ccdc_lock);
/* ccdc configuration */
@@ -203,7 +203,7 @@ static const struct vpfe_pixel_format
*vpfe_lookup_pix_format(u32 pix_format)
* vpfe_register_ccdc_device. CCDC module calls this to
* register with vpfe capture
*/
-int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
+int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev)
{
int ret = 0;
printk(KERN_NOTICE "vpfe_register_ccdc_device: %s\n", dev->name);
@@ -259,7 +259,7 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
* vpfe_unregister_ccdc_device. CCDC module calls this to
* unregister with vpfe capture
*/
-void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev)
+void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev)
{
if (!dev) {
printk(KERN_ERR "invalid ccdc device ptr\n");
--
1.9.1
