This introduces a clk_register() with the same semantics as in Linux.
This also adds a struct clk_init_data. With this it becomes easier to
port over new clock drivers from Linux.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Reviewed-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
drivers/clk/clk.c | 37 +++++++++++++++++++++++++++++++++++++
include/linux/clk.h | 2 ++
2 files changed, 39 insertions(+)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 73682126bf..74e2f5d783 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -345,6 +345,43 @@ out:
return ret;
}
+struct clk *clk_register(struct device_d *dev, struct clk_hw *hw)
+{
+ struct clk *clk;
+ const struct clk_init_data *init = hw->init;
+ char **parent_names;
+ int i, ret;
+
+ if (!hw->init)
+ return ERR_PTR(-EINVAL);
+
+ clk = clk_hw_to_clk(hw);
+
+ memset(clk, 0, sizeof(*clk));
+
+ clk->name = xstrdup(init->name);
+ clk->ops = init->ops;
+ clk->num_parents = init->num_parents;
+ parent_names = xzalloc(init->num_parents * sizeof(char *));
+
+ for (i = 0; i < init->num_parents; i++)
+ parent_names[i] = xstrdup(init->parent_names[i]);
+
+ clk->parent_names = (const char *const*)parent_names;
+
+ clk->flags = init->flags;
+
+ ret = bclk_register(clk);
+ if (ret) {
+ for (i = 0; i < init->num_parents; i++)
+ free(parent_names[i]);
+ free(parent_names);
+ return ERR_PTR(ret);
+ }
+
+ return clk;
+}
+
int clk_is_enabled(struct clk *clk)
{
int enabled;
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 66ac6a9f14..654845023a 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -399,6 +399,7 @@ struct clk {
*/
struct clk_hw {
struct clk clk;
+ const struct clk_init_data *init;
};
static inline struct clk *clk_hw_to_clk(struct clk_hw *hw)
@@ -547,6 +548,7 @@ int clk_parent_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate);
int bclk_register(struct clk *clk);
+struct clk *clk_register(struct device_d *dev, struct clk_hw *hw);
struct clk *clk_lookup(const char *name);
--
2.29.2
_______________________________________________
barebox mailing list
barebox@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/barebox
