kernel/wr_pstats: remove mask

Masking is not needed since uint32_t << 32 zero all lower bits. Reported-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

kernel/wr_pstats: remove mask
Masking is not needed since uint32_t << 32 zero all lower bits. Reported-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
d48bab98 · Adam Wujek · 4bfea64a · d48bab98
Commit d48bab98 authored Dec 10, 2014 by Adam Wujek 💬
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wr_pstats.c kernel/wr_pstats/wr_pstats.c +0 -1

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--- a/kernel/wr_pstats/wr_pstats.c
+++ b/kernel/wr_pstats/wr_pstats.c
@@ -166,7 +166,6 @@ static uint64_t pstats_irq_cntrs(int port)
 	pstats_writel(val, pstats_dev, CR);
 	/* read lower half of cntrs overflow mask */
 	mask = (((uint64_t)pstats_readl(pstats_dev, L2_CNT_VAL)) << 32);
-	mask &= 0xFFFFFFFF00000000LL;
 	mask |= (uint64_t) pstats_readl(pstats_dev, L1_CNT_VAL);
 	return mask;
 }