treewide: Make locally used functions static

Many functions are only used locally but still are globally visible.
Make these function static. Avoids warnings generated with -Wmissing-prototypes

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/clk/mxs/clk-imx23.c b/drivers/clk/mxs/clk-imx23.c
index e28dae12f1..526efc52be 100644
--- a/drivers/clk/mxs/clk-imx23.c
+++ b/drivers/clk/mxs/clk-imx23.c
@@ -61,7 +61,7 @@ enum imx23_clk {
 
 static struct clk *clks[clk_max];
 
-int __init mx23_clocks_init(void __iomem *regs)
+static int __init mx23_clocks_init(void __iomem *regs)
 {
 	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
 	clks[pll] = mxs_clk_pll("pll", "ref_xtal", PLLCTRL0, 16, 480000000);