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3064e76c94
Copy config and patch from kernel 5.10 to kernel 5.15 Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
From f8fdbecdaca97f0f2eebd77256e2eca4a8da6c39 Mon Sep 17 00:00:00 2001
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From: Ansuel Smith <ansuelsmth@gmail.com>
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Date: Sun, 7 Feb 2021 17:08:16 +0100
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Subject: [PATCH 3/4] clk: qcom: krait: add missing enable disable
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Add missing enable disable mux function. Add extra check to
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div2_round_rate.
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Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
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---
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drivers/clk/qcom/clk-krait.c | 27 +++++++++++++++++++++++++--
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1 file changed, 25 insertions(+), 2 deletions(-)
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--- a/drivers/clk/qcom/clk-krait.c
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+++ b/drivers/clk/qcom/clk-krait.c
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@@ -68,7 +68,25 @@ static u8 krait_mux_get_parent(struct cl
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return clk_mux_val_to_index(hw, mux->parent_map, 0, sel);
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}
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+static int krait_mux_enable(struct clk_hw *hw)
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+{
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+ struct krait_mux_clk *mux = to_krait_mux_clk(hw);
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+
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+ __krait_mux_set_sel(mux, mux->en_mask);
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+
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+ return 0;
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+}
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+
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+static void krait_mux_disable(struct clk_hw *hw)
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+{
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+ struct krait_mux_clk *mux = to_krait_mux_clk(hw);
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+
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+ __krait_mux_set_sel(mux, mux->safe_sel);
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+}
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+
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const struct clk_ops krait_mux_clk_ops = {
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+ .enable = krait_mux_enable,
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+ .disable = krait_mux_disable,
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.set_parent = krait_mux_set_parent,
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.get_parent = krait_mux_get_parent,
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.determine_rate = __clk_mux_determine_rate_closest,
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@@ -79,8 +97,13 @@ EXPORT_SYMBOL_GPL(krait_mux_clk_ops);
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static long krait_div2_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *parent_rate)
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{
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- *parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), rate * 2);
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- return DIV_ROUND_UP(*parent_rate, 2);
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+ struct clk_hw *hw_parent = clk_hw_get_parent(hw);
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+
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+ if (hw_parent) {
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+ *parent_rate = clk_hw_round_rate(hw_parent, rate * 2);
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+ return DIV_ROUND_UP(*parent_rate, 2);
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+ } else
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+ return -1;
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}
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static int krait_div2_set_rate(struct clk_hw *hw, unsigned long rate,
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