diff mbox series

[v3,1/6] clk: qcom: add two parent_map helpers

Message ID 20220413233144.275926-2-dmitry.baryshkov@linaro.org
State New
Headers show
Series [v3,1/6] clk: qcom: add two parent_map helpers | expand

Commit Message

Dmitry Baryshkov April 13, 2022, 11:31 p.m. UTC 
Add two helpers that use parent_maps to convert between cfg and src
values.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/clk/qcom/common.c | 24 ++++++++++++++++++++++++
 drivers/clk/qcom/common.h |  5 +++++
 2 files changed, 29 insertions(+)
diff mbox series

Patch

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);