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PM / devfreq: exynos-ppmu: bit-wise operation bugfix.

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Make it u64 before left-shifting 32bits.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
MyungJoo Ham 2015-08-05 10:55:10 +09:00
parent d80f02231a
commit 86fa4cdb0f
1 changed files with 2 additions and 1 deletions
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3
drivers/devfreq/event/exynos-ppmu.c
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@ -319,7 +319,8 @@ static int exynos_ppmu_v2_get_event(struct devfreq_event_dev *edev,
case PPMU_PMNCNT3:
pmcnt_high = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_HIGH);
pmcnt_low = __raw_readl(info->ppmu.base + PPMU_V2_PMCNT3_LOW);
load_count = (u64)((pmcnt_high & 0xff) << 32) + (u64)pmcnt_low;
load_count = ((u64)((pmcnt_high & 0xff)) << 32)
+ (u64)pmcnt_low;
break;
}
edata->load_count = load_count;