@@ -95,7 +95,7 @@ struct gt215_ram {
struct gt215_ltrain ltrain;
};
-void
+static void
gt215_link_train_calc(u32 *vals, struct gt215_ltrain *train)
{
int i, lo, hi;
@@ -149,7 +149,7 @@ gt215_link_train_calc(u32 *vals, struct gt215_ltrain *train)
/*
* Link training for (at least) DDR3
*/
-int
+static int
gt215_link_train(struct gt215_ram *ram)
{
struct gt215_ltrain *train = &ram->ltrain;
@@ -267,7 +267,7 @@ gt215_link_train(struct gt215_ram *ram)
return ret;
}
-int
+static int
gt215_link_train_init(struct gt215_ram *ram)
{
static const u32 pattern[16] = {
@@ -333,7 +333,7 @@ gt215_link_train_init(struct gt215_ram *ram)
return 0;
}
-void
+static void
gt215_link_train_fini(struct gt215_ram *ram)
{
if (ram->ltrain.mem)
We get 4 warnings when building kernel with W=1: drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c:99:1: warning: no previous prototype for 'gt215_link_train_calc' [-Wmissing-prototypes] drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c:153:1: warning: no previous prototype for 'gt215_link_train' [-Wmissing-prototypes] drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c:271:1: warning: no previous prototype for 'gt215_link_train_init' [-Wmissing-prototypes] drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c:337:1: warning: no previous prototype for 'gt215_link_train_fini' [-Wmissing-prototypes] In fact, both functions are only used in the file in which they are declared and don't need a declaration, but can be made static. So this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> --- drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramgt215.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) -- 2.7.4