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clk: Provide bulk prepare_enable disable_unprepare variants 

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

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>
This commit is contained in:
Bjorn Andersson 2017-07-12 15:04:16 -07:00 committed by Stephen Boyd
parent 618aee02e2
commit 3c48d86cc9
1 changed files with 22 additions and 0 deletions
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22
include/linux/clk.h
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@ -657,6 +657,28 @@ static inline void clk_disable_unprepare(struct clk *clk)
clk_unprepare(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) #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
struct clk *of_clk_get(struct device_node *np, int index); 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); struct clk *of_clk_get_by_name(struct device_node *np, const char *name);