496436c0e0
Copy patches and config from 5.15 kernel version. Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
27 lines
897 B
Diff
27 lines
897 B
Diff
From d85e70122d0357ce714aace7ad23d9ae40dce587 Mon Sep 17 00:00:00 2001
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From: Jianqun Xu <jay.xu@rock-chips.com>
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Date: Fri, 19 Aug 2016 15:44:14 +0800
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Subject: [PATCH] PM / devfreq: rockchip-dfi: disable irqs during accessing ddr
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monitor
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Change-Id: Ie4817a77fcb1283f37f41ab097f02ed7dc9cd18c
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Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
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---
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drivers/devfreq/event/rockchip-dfi.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/devfreq/event/rockchip-dfi.c
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+++ b/drivers/devfreq/event/rockchip-dfi.c
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@@ -151,8 +151,11 @@ static int rockchip_dfi_get_event(struct
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{
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struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
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int busier_ch;
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+ unsigned long flags;
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+ local_irq_save(flags);
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busier_ch = rockchip_dfi_get_busier_ch(edev);
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+ local_irq_restore(flags);
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edata->load_count = info->ch_usage[busier_ch].access;
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edata->total_count = info->ch_usage[busier_ch].total;
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