diff mbox series

[2/5] clk: qcom: krait-cc: also enable secondary mux and div clk

Message ID 20221109005631.3189-2-ansuelsmth@gmail.com (mailing list archive)
State Accepted
Commit 18ae57b1e8abee6c453381470f6e18991d2901a8
Headers show
Series [1/5] clk: qcom: krait-cc: fix wrong parent order for secondary mux | expand

Commit Message

Christian Marangi Nov. 9, 2022, 12:56 a.m. UTC
clk-krait ignore any rate change if clk is not flagged as enabled.
Correctly enable the secondary mux and div clk to correctly change rate
instead of silently ignoring the request.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
 drivers/clk/qcom/krait-cc.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/clk/qcom/krait-cc.c b/drivers/clk/qcom/krait-cc.c
index c2a261cfeb6a..0e497e69e3e3 100644
--- a/drivers/clk/qcom/krait-cc.c
+++ b/drivers/clk/qcom/krait-cc.c
@@ -80,6 +80,7 @@  krait_add_div(struct device *dev, int id, const char *s, unsigned int offset)
 	};
 	const char *p_names[1];
 	struct clk *clk;
+	int cpu;
 
 	div = devm_kzalloc(dev, sizeof(*div), GFP_KERNEL);
 	if (!div)
@@ -103,6 +104,17 @@  krait_add_div(struct device *dev, int id, const char *s, unsigned int offset)
 	}
 
 	clk = devm_clk_register(dev, &div->hw);
+	if (IS_ERR(clk))
+		goto err;
+
+	/* clk-krait ignore any rate change if mux is not flagged as enabled */
+	if (id < 0)
+		for_each_online_cpu(cpu)
+			clk_prepare_enable(div->hw.clk);
+	else
+		clk_prepare_enable(div->hw.clk);
+
+err:
 	kfree(p_names[0]);
 	kfree(init.name);
 
@@ -113,7 +125,7 @@  static int
 krait_add_sec_mux(struct device *dev, int id, const char *s,
 		  unsigned int offset, bool unique_aux)
 {
-	int ret;
+	int cpu, ret;
 	struct krait_mux_clk *mux;
 	static const char *sec_mux_list[] = {
 		"qsb",
@@ -165,6 +177,13 @@  krait_add_sec_mux(struct device *dev, int id, const char *s,
 	if (ret)
 		goto unique_aux;
 
+	/* clk-krait ignore any rate change if mux is not flagged as enabled */
+	if (id < 0)
+		for_each_online_cpu(cpu)
+			clk_prepare_enable(mux->hw.clk);
+	else
+		clk_prepare_enable(mux->hw.clk);
+
 unique_aux:
 	if (unique_aux)
 		kfree(sec_mux_list[0]);