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From 20aad28ba5d62f1618408c264384d0b2ad7417db Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 22 May 2023 23:25:48 +0100
Subject: [PATCH] cpufreq: mediatek: don't request unsupported voltage
PMICs on MT7622 and MT7623 boards only support up to 1350000uV despite
the SoC's processor and SRAM voltage can be up to 1360000uV. As a
work-around specify max. processor and SRAM voltage as 1350000uV to
avoid requesting an unsupported voltage from the regulator.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
drivers/cpufreq/mediatek-cpufreq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/cpufreq/mediatek-cpufreq.c
+++ b/drivers/cpufreq/mediatek-cpufreq.c
@@ -696,9 +696,9 @@ static const struct mtk_cpufreq_platform
static const struct mtk_cpufreq_platform_data mt7622_platform_data = {
.min_volt_shift = 100000,
.max_volt_shift = 200000,
- .proc_max_volt = 1360000,
+ .proc_max_volt = 1350000,
.sram_min_volt = 0,
- .sram_max_volt = 1360000,
+ .sram_max_volt = 1350000,
.ccifreq_supported = false,
};
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