Mark functions radeon_doorbell_init() and radeon_doorbell_fini() as static in drm/radeon/radeon_device.c because they are not used outside this file.
This eliminates the following warning in drm/radeon/radeon_device.c: drivers/gpu/drm/radeon/radeon_device.c:252:5: warning: no previous prototype for ?radeon_doorbell_init? [-Wmissing-prototypes] drivers/gpu/drm/radeon/radeon_device.c:281:6: warning: no previous prototype for ?radeon_doorbell_fini? [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria at gmail.com> Reviewed-by: Josh Triplett <josh at joshtriplett.org> --- drivers/gpu/drm/radeon/radeon_device.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 39b033b..caf4975 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -249,7 +249,7 @@ void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg) * Init doorbell driver information (CIK) * Returns 0 on success, error on failure. */ -int radeon_doorbell_init(struct radeon_device *rdev) +static int radeon_doorbell_init(struct radeon_device *rdev) { /* doorbell bar mapping */ rdev->doorbell.base = pci_resource_start(rdev->pdev, 2); @@ -278,7 +278,7 @@ int radeon_doorbell_init(struct radeon_device *rdev) * * Tear down doorbell driver information (CIK) */ -void radeon_doorbell_fini(struct radeon_device *rdev) +static void radeon_doorbell_fini(struct radeon_device *rdev) { iounmap(rdev->doorbell.ptr); rdev->doorbell.ptr = NULL; -- 1.7.9.5