kernel: update 3.14 to 3.14.18
[openwrt/openwrt.git] / target / linux / sunxi / patches-3.14 / 220-clk-sunxi-remove-calls-to-clk_put.patch
1 From 81b745ee30dc7cd230f924f6263879f1b7ffbc0c Mon Sep 17 00:00:00 2001
2 From: Maxime Ripard <maxime.ripard@free-electrons.com>
3 Date: Thu, 13 Mar 2014 16:14:13 +0100
4 Subject: [PATCH] clk: sunxi: Remove calls to clk_put
5
6 Callers of clk_put must disable the clock first. This also means that as long
7 as the clock is enabled the driver should hold a reference to that clock.
8 Hence, the call to clk_put here are bogus and should be removed.
9
10 Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
11 ---
12 drivers/clk/sunxi/clk-sunxi.c | 8 ++------
13 1 file changed, 2 insertions(+), 6 deletions(-)
14
15 --- a/drivers/clk/sunxi/clk-sunxi.c
16 +++ b/drivers/clk/sunxi/clk-sunxi.c
17 @@ -1325,17 +1325,13 @@ static void __init sunxi_clock_protect(v
18
19 /* memory bus clock - sun5i+ */
20 clk = clk_get(NULL, "mbus");
21 - if (!IS_ERR(clk)) {
22 + if (!IS_ERR(clk))
23 clk_prepare_enable(clk);
24 - clk_put(clk);
25 - }
26
27 /* DDR clock - sun4i+ */
28 clk = clk_get(NULL, "pll5_ddr");
29 - if (!IS_ERR(clk)) {
30 + if (!IS_ERR(clk))
31 clk_prepare_enable(clk);
32 - clk_put(clk);
33 - }
34 }
35
36 static void __init sunxi_init_clocks(void)