linux-kernel - [PATCH 17/18] locking/atomic: crypto: nx: remove redundant casts

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Message-Id: <20190522132250.26499-18-mark.rutland@arm.com>
Date:   Wed, 22 May 2019 14:22:49 +0100
From:   Mark Rutland <mark.rutland@....com>
To:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        will.deacon@....com
Cc:     aou@...s.berkeley.edu, arnd@...db.de, bp@...en8.de,
        catalin.marinas@....com, davem@...emloft.net, fenghua.yu@...el.com,
        heiko.carstens@...ibm.com, herbert@...dor.apana.org.au,
        ink@...assic.park.msu.ru, jhogan@...nel.org, linux@...linux.org.uk,
        mark.rutland@....com, mattst88@...il.com, mingo@...nel.org,
        mpe@...erman.id.au, palmer@...ive.com, paul.burton@...s.com,
        paulus@...ba.org, ralf@...ux-mips.org, rth@...ddle.net,
        stable@...r.kernel.org, tglx@...utronix.de, tony.luck@...el.com,
        vgupta@...opsys.com
Subject: [PATCH 17/18] locking/atomic: crypto: nx: remove redundant casts

Now that atomic64_read() returns s64 consistently, we don't need to
explicitly cast its return value. Drop the redundant casts.

Signed-off-by: Mark Rutland <mark.rutland@....com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Will Deacon <will.deacon@....com>
---
 drivers/crypto/nx/nx-842-pseries.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/nx/nx-842-pseries.c b/drivers/crypto/nx/nx-842-pseries.c
index 9432e9e42afe..5cf77729a438 100644
--- a/drivers/crypto/nx/nx-842-pseries.c
+++ b/drivers/crypto/nx/nx-842-pseries.c
@@ -870,7 +870,7 @@ static ssize_t nx842_##_name##_show(struct device *dev,		\
 	local_devdata = rcu_dereference(devdata);			\
 	if (local_devdata)						\
 		p = snprintf(buf, PAGE_SIZE, "%lld\n",			\
-		       (s64)atomic64_read(&local_devdata->counters->_name));	\
+		       atomic64_read(&local_devdata->counters->_name));	\
 	rcu_read_unlock();						\
 	return p;							\
 }
@@ -924,7 +924,7 @@ static ssize_t nx842_timehist_show(struct device *dev,
 	for (i = 0; i < (NX842_HIST_SLOTS - 2); i++) {
 		bytes = snprintf(p, bytes_remain, "%u-%uus:\t%lld\n",
 			       i ? (2<<(i-1)) : 0, (2<<i)-1,
-			       (s64)atomic64_read(&times[i]));
+			       atomic64_read(&times[i]));
 		bytes_remain -= bytes;
 		p += bytes;
 	}
@@ -932,7 +932,7 @@ static ssize_t nx842_timehist_show(struct device *dev,
 	 * 2<<(NX842_HIST_SLOTS - 2) us */
 	bytes = snprintf(p, bytes_remain, "%uus - :\t%lld\n",
 			2<<(NX842_HIST_SLOTS - 2),
-			(s64)atomic64_read(&times[(NX842_HIST_SLOTS - 1)]));
+			atomic64_read(&times[(NX842_HIST_SLOTS - 1)]));
 	p += bytes;
 
 	rcu_read_unlock();
-- 
2.11.0