clk: Provide bulk prepare_enable disable_unprepare variants
authorBjorn Andersson <bjorn.andersson@linaro.org>
Wed, 12 Jul 2017 22:04:16 +0000 (15:04 -0700)
committerStephen Boyd <sboyd@codeaurora.org>
Thu, 13 Jul 2017 06:50:53 +0000 (23:50 -0700)
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>
include/linux/clk.h

index c673f0b9175121951fc8acee973a67bad2994260..690e6a6921e149afd764712d8dd7ea63fffc8c30 100644 (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);