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| author | Shradha Todi <shradha.t@samsung.com> | 2024-02-20 11:40:45 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2024-02-22 08:13:36 +0300 |
| commit | 265b07df758a998f60cf5b5aec6bd72ca676655e (patch) | |
| tree | f4ae9430aaece4a1d16665fdff7fde575a6668e0 /include/linux/clk.h | |
| parent | 6613476e225e090cc9aad49be7fa504e290dd33d (diff) | |
| download | linux-265b07df758a998f60cf5b5aec6bd72ca676655e.tar.xz | |
clk: Provide managed helper to get and enable bulk clocks
Provide a managed devm_clk_bulk* wrapper to get and enable all
bulk clocks in order to simplify drivers that keeps all clocks
enabled for the time of driver operation.
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Shradha Todi <shradha.t@samsung.com>
Link: https://lore.kernel.org/r/20240220084046.23786-2-shradha.t@samsung.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'include/linux/clk.h')
| -rw-r--r-- | include/linux/clk.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h index 06f1b292f8a0..0f44d3863de2 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -479,6 +479,22 @@ int __must_check devm_clk_bulk_get_all(struct device *dev, struct clk_bulk_data **clks); /** + * devm_clk_bulk_get_all_enable - Get and enable all clocks of the consumer (managed) + * @dev: device for clock "consumer" + * @clks: pointer to the clk_bulk_data table of consumer + * + * Returns success (0) or negative errno. + * + * This helper function allows drivers to get all clocks of the + * consumer and enables them in one operation with management. + * The clks will automatically be disabled and freed when the device + * is unbound. + */ + +int __must_check devm_clk_bulk_get_all_enable(struct device *dev, + 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 @@ -968,6 +984,12 @@ static inline int __must_check devm_clk_bulk_get_all(struct device *dev, return 0; } +static inline int __must_check devm_clk_bulk_get_all_enable(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) { |