diff options
| author | Chao Xie <chao.xie@marvell.com> | 2014-10-31 10:13:42 +0800 |
|---|---|---|
| committer | Michael Turquette <mturquette@linaro.org> | 2014-11-12 16:33:37 -0800 |
| commit | 61256133919e76ea51e458c9713a9ee9d9ec4a67 (patch) | |
| tree | 5b6b31808520277a486cd68b039eba2eb0ac85aa /drivers/clk/mmp/clk-mmp2.c | |
| parent | 2bd1e256e45052f2244403f822fd85aa64a6aa00 (diff) | |
| download | linux-next-61256133919e76ea51e458c9713a9ee9d9ec4a67.tar.gz | |
clk: mmp: add spin lock for clk-frac
The register used by clk-frac may be shared with
other clocks.
So it needs to use spin lock to protect the register
access.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/mmp/clk-mmp2.c')
| -rw-r--r-- | drivers/clk/mmp/clk-mmp2.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c index 7083f12ef422..5c90a4230fa3 100644 --- a/drivers/clk/mmp/clk-mmp2.c +++ b/drivers/clk/mmp/clk-mmp2.c @@ -191,7 +191,7 @@ void __init mmp2_clk_init(void) clk = mmp_clk_register_factor("uart_pll", "pll1_4", 0, mpmu_base + MPMU_UART_PLL, &uart_factor_masks, uart_factor_tbl, - ARRAY_SIZE(uart_factor_tbl)); + ARRAY_SIZE(uart_factor_tbl), &clk_lock); clk_set_rate(clk, 14745600); clk_register_clkdev(clk, "uart_pll", NULL); |