From: Dan Williams <dan.j.williams@intel.com>
Date: Thu, 7 Nov 2013 00:30:03 +0000 (-0800)
Subject: dmatest: use pseudo random numbers
X-Git-Tag: upstream/snapshot3+hdmi~3918^2^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=be9fa5a43641103bf13cd1bb8101a1453da03616;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

dmatest: use pseudo random numbers

There is no need for dmatest to drain the entropy pool.

It would be nice to one day have repeatable runs, but would need a
larger rework to synchronize and order calls to the rng across test
threads.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index ea82965..01ac711 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -176,7 +176,7 @@ static unsigned long dmatest_random(void)
 {
 	unsigned long buf;
 
-	get_random_bytes(&buf, sizeof(buf));
+	prandom_bytes(&buf, sizeof(buf));
 	return buf;
 }