linux-kernel - [PATCH v1 1/3] asm-generic/io.h: Fix "IOMMU" typos

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Date:   Fri, 17 Mar 2017 12:46:43 -0500
From:   Bjorn Helgaas <bhelgaas@...gle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-arch@...r.kernel.org,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 1/3] asm-generic/io.h: Fix "IOMMU" typos

The ioremap() block comment refers to "IOMMU" when it means "MMU".  Fix
these typos to avoid confusion.

Fixes: 8c7ea50c010b ("x86/mm, asm-generic: Add IOMMU ioremap_uc() variant default")
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 include/asm-generic/io.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h
index 7ef015eb3403..978d2e27ce1d 100644
--- a/include/asm-generic/io.h
+++ b/include/asm-generic/io.h
@@ -802,16 +802,16 @@ static inline void *phys_to_virt(unsigned long address)
 /**
  * DOC: ioremap() and ioremap_*() variants
  *
- * If you have an IOMMU your architecture is expected to have both ioremap()
+ * If you have an MMU your architecture is expected to have both ioremap()
  * and iounmap() implemented otherwise the asm-generic helpers will provide a
  * direct mapping.
  *
- * There are ioremap_*() call variants, if you have no IOMMU we naturally will
+ * There are ioremap_*() call variants, if you have no MMU we naturally will
  * default to direct mapping for all of them, you can override these defaults.
- * If you have an IOMMU you are highly encouraged to provide your own
+ * If you have an MMU you are highly encouraged to provide your own
  * ioremap variant implementation as there currently is no safe architecture
  * agnostic default. To avoid possible improper behaviour default asm-generic
- * ioremap_*() variants all return NULL when an IOMMU is available. If you've
+ * ioremap_*() variants all return NULL when an MMU is available. If you've
  * defined your own ioremap_*() variant you must then declare your own
  * ioremap_*() variant as defined to itself to avoid the default NULL return.
  */