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.h | |
| parent | clk: mmp: add prefix "mmp" for structures defined for clk-frac (diff) | |
| download | linux-dev-61256133919e76ea51e458c9713a9ee9d9ec4a67.tar.xz linux-dev-61256133919e76ea51e458c9713a9ee9d9ec4a67.zip | |
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.h')
| -rw-r--r-- | drivers/clk/mmp/clk.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index 3fe92be9e054..b71b717cdb24 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -31,5 +31,6 @@ extern struct clk *mmp_clk_register_apmu(const char *name, extern struct clk *mmp_clk_register_factor(const char *name, const char *parent_name, unsigned long flags, void __iomem *base, struct mmp_clk_factor_masks *masks, - struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt); + struct mmp_clk_factor_tbl *ftbl, unsigned int ftbl_cnt, + spinlock_t *lock); #endif |