Add two helpers that use parent_maps to convert between cfg and src
values.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/clk/qcom/common.c | 24 ++++++++++++++++++++++++
drivers/clk/qcom/common.h | 5 +++++
2 files changed, 29 insertions(+)
diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 75f09e6e057e..5f6230a67896 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -81,6 +81,30 @@ int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
}
EXPORT_SYMBOL_GPL(qcom_find_cfg_index);
+int qcom_map_src_cfg(struct clk_hw *hw, const struct parent_map *map, u8 src)
+{
+ int i, num_parents = clk_hw_get_num_parents(hw);
+
+ for (i = 0; i < num_parents; i++)
+ if (src == map[i].src)
+ return map[i].cfg;
+
+ return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_map_src_cfg);
+
+int qcom_map_cfg_src(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
+{
+ int i, num_parents = clk_hw_get_num_parents(hw);
+
+ for (i = 0; i < num_parents; i++)
+ if (cfg == map[i].cfg)
+ return map[i].src;
+
+ return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_map_cfg_src);
+
struct regmap *
qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
{
diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h
index 9c8f7b798d9f..fef31a432dcd 100644
--- a/drivers/clk/qcom/common.h
+++ b/drivers/clk/qcom/common.h
@@ -51,6 +51,11 @@ extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
u8 src);
extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
u8 cfg);
+extern int qcom_map_src_cfg(struct clk_hw *hw, const struct parent_map *map,
+ u8 src);
+
+extern int qcom_map_cfg_src(struct clk_hw *hw, const struct parent_map *map,
+ u8 cfg);
extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
const char *name, unsigned long rate);
--
2.35.1
