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authorDong Aisheng <aisheng.dong@nxp.com>2017-05-19 21:49:05 +0800
committerStephen Boyd <sboyd@codeaurora.org>2017-06-02 15:37:49 -0700
commit618aee02e2f57042f4cdeab228caf631e524b281 (patch)
tree56721ee9aa6c4ddf7fb17ad136a7b113195b4a1d /include/linux/clk.h
parent266e4e9d9150e98141b85c7400f8aa3cd57a7f9b (diff)
clk: add managed version of clk_bulk_get
This patch introduces the managed version of clk_bulk_get. Cc: Michael Turquette <mturquette@baylibre.com> Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Mark Brown <broonie@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@nxp.com> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Anson Huang <anson.huang@nxp.com> Cc: Robin Gong <yibin.gong@nxp.com> Cc: Bai Ping <ping.bai@nxp.com> Cc: Leonard Crestez <leonard.crestez@nxp.com> Cc: Octavian Purdila <octavian.purdila@nxp.com> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'include/linux/clk.h')
-rw-r--r--include/linux/clk.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 72b0cfce9165..c673f0b91751 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -281,6 +281,21 @@ int __must_check clk_bulk_get(struct device *dev, int num_clks,
struct clk_bulk_data *clks);
/**
+ * devm_clk_bulk_get - managed get multiple clk consumers
+ * @dev: device for clock "consumer"
+ * @num_clks: the number of clk_bulk_data
+ * @clks: the clk_bulk_data table of consumer
+ *
+ * Return 0 on success, an errno on failure.
+ *
+ * This helper function allows drivers to get several clk
+ * consumers in one operation with management, the clks will
+ * automatically be freed when the device is unbound.
+ */
+int __must_check devm_clk_bulk_get(struct device *dev, int num_clks,
+ struct clk_bulk_data *clks);
+
+/**
* devm_clk_get - lookup and obtain a managed reference to a clock producer.
* @dev: device for clock "consumer"
* @id: clock consumer ID
@@ -550,6 +565,12 @@ static inline struct clk *devm_clk_get(struct device *dev, const char *id)
return NULL;
}
+static inline int devm_clk_bulk_get(struct device *dev, int num_clks,
+ struct clk_bulk_data *clks)
+{
+ return 0;
+}
+
static inline struct clk *devm_get_clk_from_child(struct device *dev,
struct device_node *np, const char *con_id)
{