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clk: add managed version of clk_bulk_get_all

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This patch introduces the managed version of clk_bulk_get_all.

Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Tested-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Dong Aisheng
2018-08-31 12:45:55 +08:00
committed by Stephen Boyd
parent 616e45df7c
commit f08c2e2865
2 changed files with 47 additions and 0 deletions
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23
include/linux/clk.h
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@@ -346,6 +346,22 @@ int __must_check clk_bulk_get_all(struct device *dev,
*/
int __must_check devm_clk_bulk_get(struct device *dev, int num_clks,
struct clk_bulk_data *clks);
/**
* devm_clk_bulk_get_all - managed get multiple clk consumers
* @dev: device for clock "consumer"
* @clks: pointer to the clk_bulk_data table of consumer
*
* Returns a positive value for the number of clocks obtained while the
* clock references are stored in the clk_bulk_data table in @clks field.
* Returns 0 if there're none and a negative value if something failed.
*
* 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_all(struct device *dev,
struct clk_bulk_data **clks);
/**
* devm_clk_get - lookup and obtain a managed reference to a clock producer.
@@ -691,6 +707,13 @@ static inline int __must_check devm_clk_bulk_get(struct device *dev, int num_clk
return 0;
}
static inline int __must_check devm_clk_bulk_get_all(struct device *dev,
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)
{