diff options
Diffstat (limited to 'target/linux/ipq806x/patches-5.15/121-v6.2-03-clk-qcom-krait-cc-also-enable-secondary-mux-and-div-.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-5.15/121-v6.2-03-clk-qcom-krait-cc-also-enable-secondary-mux-and-div-.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.15/121-v6.2-03-clk-qcom-krait-cc-also-enable-secondary-mux-and-div-.patch b/target/linux/ipq806x/patches-5.15/121-v6.2-03-clk-qcom-krait-cc-also-enable-secondary-mux-and-div-.patch new file mode 100644 index 0000000000..6261a940d7 --- /dev/null +++ b/target/linux/ipq806x/patches-5.15/121-v6.2-03-clk-qcom-krait-cc-also-enable-secondary-mux-and-div-.patch @@ -0,0 +1,68 @@ +From 18ae57b1e8abee6c453381470f6e18991d2901a8 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Wed, 9 Nov 2022 01:56:28 +0100 +Subject: [PATCH 3/6] clk: qcom: krait-cc: also enable secondary mux and div + clk + +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> +Signed-off-by: Bjorn Andersson <andersson@kernel.org> +Link: https://lore.kernel.org/r/20221109005631.3189-2-ansuelsmth@gmail.com +--- + drivers/clk/qcom/krait-cc.c | 21 ++++++++++++++++++++- + 1 file changed, 20 insertions(+), 1 deletion(-) + +--- 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 *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 + } + + 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, in + 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]); |