Clock re-parenting is not binding the clock's device to its new parent device, it only calls the clock's ops->set_parent() API. The changes in this commit re-parent the clock device to its new parent so that subsequent operations like clk_get_parent() to point to the proper parent.
Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com --- drivers/clk/clk-uclass.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index aa1f11a27c41..b390a6b01c06 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -14,6 +14,7 @@ #include <errno.h> #include <log.h> #include <malloc.h> +#include <dm/device-internal.h> #include <dm/devres.h> #include <dm/read.h> #include <linux/bug.h> @@ -511,6 +512,7 @@ ulong clk_set_rate(struct clk *clk, ulong rate) int clk_set_parent(struct clk *clk, struct clk *parent) { const struct clk_ops *ops; + int ret;
debug("%s(clk=%p, parent=%p)\n", __func__, clk, parent); if (!clk_valid(clk)) @@ -520,7 +522,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent) if (!ops->set_parent) return -ENOSYS;
- return ops->set_parent(clk, parent); + ret = ops->set_parent(clk, parent); + if (ret) + return ret; + + if (CONFIG_IS_ENABLED(CLK_CCF)) + ret = device_reparent(clk->dev, parent->dev); + + return ret; }
int clk_enable(struct clk *clk)