PCI: Spelling fixes

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index e079a52..4e01df9 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -1781,7 +1781,7 @@
 		/*
 		 * First try to allocate an io virtual address in
 		 * DMA_32BIT_MASK and if that fails then try allocating
-		 * from higer range
+		 * from higher range
 		 */
 		iova = iommu_alloc_iova(domain, size, DMA_32BIT_MASK);
 		if (!iova)