shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: clk: Provide bulk prepare_enable disable_unprepare variants

Browse Source 
This extends the existing set of bulk helpers with prepare_enable and
disable_unprepare variants.

Change-Id: I38d42d5d028f3d096cbd5b7b8d369ff250f038dc
Cc: Russell King <linux@armlinux.org.uk>,
Cc: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
(cherry picked from commit 3c48d86cc9)
This commit is contained in:
Bjorn Andersson
2017-07-12 15:04:16 -07:00
committed by Tao Huang
parent 2a0b3c4802
commit 511f7b03fe
1 changed files with 22 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
include/linux/clk.h
View File

@@ -657,6 +657,28 @@ static inline void clk_disable_unprepare(struct clk *clk)
clk_unprepare(clk);
}
static inline int clk_bulk_prepare_enable(int num_clks,
struct clk_bulk_data *clks)
{
int ret;
ret = clk_bulk_prepare(num_clks, clks);
if (ret)
return ret;
ret = clk_bulk_enable(num_clks, clks);
if (ret)
clk_bulk_unprepare(num_clks, clks);
return ret;
}
static inline void clk_bulk_disable_unprepare(int num_clks,
struct clk_bulk_data *clks)
{
clk_bulk_disable(num_clks, clks);
clk_bulk_unprepare(num_clks, clks);
}
#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
struct clk *of_clk_get(struct device_node *np, int index);
struct clk *of_clk_get_by_name(struct device_node *np, const char *name);