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-rw-r--r--include/asm-i386/io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h
index 7b65b5b0003..e8e0bd64112 100644
--- a/include/asm-i386/io.h
+++ b/include/asm-i386/io.h
@@ -112,6 +112,9 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign
* writew/writel functions and the other mmio helpers. The returned
* address is not guaranteed to be usable directly as a virtual
* address.
+ *
+ * If the area you are trying to map is a PCI BAR you should have a
+ * look at pci_iomap().
*/
static inline void __iomem * ioremap(unsigned long offset, unsigned long size)