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Create 999-ipq40xx-unlock-cpu-frequency.patch
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From: William <gw826943555@qq.com>
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Subject: [PATCH] ipq40xx: improve CPU clock
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Date: Tue, 15 Dec 2020 15:26:35 +0800
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This patch will match the clock-latency-ns values in the device tree
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for those found inside the OEM device tree and kernel source code and
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unlock 896Mhz CPU operating points.
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Signed-off-by: William <gw826943555@qq.com>
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---
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--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
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+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
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@@ -114,20 +114,24 @@
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opp-48000000 {
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opp-hz = /bits/ 64 <48000000>;
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- clock-latency-ns = <256000>;
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+ clock-latency-ns = <100000>;
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};
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opp-200000000 {
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opp-hz = /bits/ 64 <200000000>;
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- clock-latency-ns = <256000>;
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+ clock-latency-ns = <100000>;
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};
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opp-500000000 {
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opp-hz = /bits/ 64 <500000000>;
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- clock-latency-ns = <256000>;
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+ clock-latency-ns = <100000>;
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};
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opp-716000000 {
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opp-hz = /bits/ 64 <716000000>;
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- clock-latency-ns = <256000>;
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+ clock-latency-ns = <100000>;
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};
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+ opp-896000000 {
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+ opp-hz = /bits/ 64 <896000000>;
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+ clock-latency-ns = <100000>;
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+ };
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};
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memory {
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--- a/drivers/clk/qcom/gcc-ipq4019.c
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+++ b/drivers/clk/qcom/gcc-ipq4019.c
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@@ -579,6 +579,9 @@ static const struct freq_tbl ftbl_gcc_ap
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F(632000000, P_DDRPLLAPSS, 1, 0, 0),
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F(672000000, P_DDRPLLAPSS, 1, 0, 0),
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F(716000000, P_DDRPLLAPSS, 1, 0, 0),
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+ F(768000000, P_DDRPLLAPSS, 1, 0, 0),
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+ F(823000000, P_DDRPLLAPSS, 1, 0, 0),
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+ F(896000000, P_DDRPLLAPSS, 1, 0, 0),
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{ }
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};
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