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From: MyungJoo Ham <myungjoo.ham@samsung.com>
To: "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>
Cc: 최찬우 <cw00.choi@samsung.com>
Subject: [PATCH] PM / devfreq: exynos-ppmu: bit-wise operation bugfix.
Date: Wed, 05 Aug 2015 02:15:31 +0000 (GMT)	[thread overview]
Message-ID: <1139776636.447211438740931685.JavaMail.weblogic@epmlwas03c> (raw)


Make it u64 before left-shifting 32bits.

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
---
 drivers/devfreq/event/exynos-ppmu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c
index f9901f5..f312485 100644
--- a/drivers/devfreq/event/exynos-ppmu.c
+++ b/drivers/devfreq/event/exynos-ppmu.c
@@ -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;
-- 
1.9.1


             reply	other threads:[~2015-08-05  2:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-05  2:15 MyungJoo Ham [this message]
2015-08-05  2:19 ` [PATCH] PM / devfreq: exynos-ppmu: bit-wise operation bugfix Chanwoo Choi

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