linux-kernel - [PATCH] iommu: Use %zx instead %lx and cast to unsigned long

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Date:	Sun, 23 Jun 2013 10:43:47 -0700
From:	Joe Perches <joe@...ches.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Alex Williamson <alex.williamson@...hat.com>,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH] iommu: Use %zx instead %lx and cast to unsigned long

printf support size_t hex type %zx so use that
instead of %lx and a cast to unsigned long.

Other miscellaneous changes around this:

Always use 0x%zx for size instead of one use of decimal.
Coalesce format and align arguments.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/iommu/iommu.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index ab1fa19..7aa98c8 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -807,20 +807,19 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
 	 * size of the smallest page supported by the hardware
 	 */
 	if (!IS_ALIGNED(iova | paddr | size, min_pagesz)) {
-		pr_err("unaligned: iova 0x%lx pa 0x%lx size 0x%lx min_pagesz "
-			"0x%x\n", iova, (unsigned long)paddr,
-			(unsigned long)size, min_pagesz);
+		pr_err("unaligned: iova 0x%lx pa 0x%lx size 0x%zx min_pagesz 0x%x\n",
+		       iova, (unsigned long)paddr, size, min_pagesz);
 		return -EINVAL;
 	}
 
-	pr_debug("map: iova 0x%lx pa 0x%lx size 0x%lx\n", iova,
-				(unsigned long)paddr, (unsigned long)size);
+	pr_debug("map: iova 0x%lx pa 0x%lx size 0x%zx\n",
+		 iova, (unsigned long)paddr, size);
 
 	while (size) {
 		size_t pgsize = iommu_pgsize(domain, iova | paddr, size);
 
-		pr_debug("mapping: iova 0x%lx pa 0x%lx pgsize %lu\n", iova,
-			 (unsigned long)paddr, (unsigned long)pgsize);
+		pr_debug("mapping: iova 0x%lx pa 0x%lx pgsize 0x%zx\n",
+			 iova, (unsigned long)paddr, pgsize);
 
 		ret = domain->ops->map(domain, iova, paddr, pgsize, prot);
 		if (ret)
@@ -857,13 +856,12 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size)
 	 * by the hardware
 	 */
 	if (!IS_ALIGNED(iova | size, min_pagesz)) {
-		pr_err("unaligned: iova 0x%lx size 0x%lx min_pagesz 0x%x\n",
-					iova, (unsigned long)size, min_pagesz);
+		pr_err("unaligned: iova 0x%lx size 0x%zx min_pagesz 0x%x\n",
+		       iova, size, min_pagesz);
 		return -EINVAL;
 	}
 
-	pr_debug("unmap this: iova 0x%lx size 0x%lx\n", iova,
-							(unsigned long)size);
+	pr_debug("unmap this: iova 0x%lx size 0x%zx\n", iova, size);
 
 	/*
 	 * Keep iterating until we either unmap 'size' bytes (or more)
@@ -876,8 +874,8 @@ size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, size_t size)
 		if (!unmapped_page)
 			break;
 
-		pr_debug("unmapped: iova 0x%lx size %lx\n", iova,
-					(unsigned long)unmapped_page);
+		pr_debug("unmapped: iova 0x%lx size 0x%zx\n",
+			 iova, unmapped_page);
 
 		iova += unmapped_page;
 		unmapped += unmapped_page;


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