From: Andrew Morton <akpm@linux-foundation.org>
Date: Thu, 26 Jun 2014 00:42:33 +0000 (+1000)
Subject: dma-cma-support-arbitrary-bitmap-granularity-fix
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c8bc272078e1991ba4e7e050a959e16faebb55d9;p=karo-tx-linux.git

dma-cma-support-arbitrary-bitmap-granularity-fix

s/1/1UL/

Cc: Alexander Graf <agraf@suse.de>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c
index c6eeb2ca5585..ad8a85bf852f 100644
--- a/drivers/base/dma-contiguous.c
+++ b/drivers/base/dma-contiguous.c
@@ -160,7 +160,7 @@ static DEFINE_MUTEX(cma_mutex);
 
 static unsigned long cma_bitmap_aligned_mask(struct cma *cma, int align_order)
 {
-	return (1 << (align_order >> cma->order_per_bit)) - 1;
+	return (1UL << (align_order >> cma->order_per_bit)) - 1;
 }
 
 static unsigned long cma_bitmap_maxno(struct cma *cma)
@@ -171,7 +171,7 @@ static unsigned long cma_bitmap_maxno(struct cma *cma)
 static unsigned long cma_bitmap_pages_to_bits(struct cma *cma,
 						unsigned long pages)
 {
-	return ALIGN(pages, 1 << cma->order_per_bit) >> cma->order_per_bit;
+	return ALIGN(pages, 1UL << cma->order_per_bit) >> cma->order_per_bit;
 }
 
 static void cma_clear_bitmap(struct cma *cma, unsigned long pfn, int count)