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PM / devfreq: rockchip-dfi: disable irqs during accessing ddr monitor

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Change-Id: Ie4817a77fcb1283f37f41ab097f02ed7dc9cd18c
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Jianqun Xu 2016-08-19 15:44:14 +08:00 committed by Tao Huang
parent 030d591fd8
commit d85e70122d
1 changed files with 3 additions and 0 deletions
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3
drivers/devfreq/event/rockchip-dfi.c
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@ -151,8 +151,11 @@ static int rockchip_dfi_get_event(struct devfreq_event_dev *edev,
{
struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
int busier_ch;
unsigned long flags;
local_irq_save(flags);
busier_ch = rockchip_dfi_get_busier_ch(edev);
local_irq_restore(flags);
edata->load_count = info->ch_usage[busier_ch].access;
edata->total_count = info->ch_usage[busier_ch].total;