X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=Documentation%2Fprintk-formats.txt;h=6f4eb322ffafe817f269dbf84c7cfa5bc3926e77;hb=335a67d2ad481b03607bf30a38c28178fa1ad61a;hp=445ad743ec814ee4571c175884d3ccce4ffda11a;hpb=9d2cd7048b1ec21309e2d1a32bf50732eb5d5de8;p=~andy%2Flinux

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 445ad743ec8..6f4eb322ffa 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -55,14 +55,21 @@ Struct Resources:
 	For printing struct resources. The 'R' and 'r' specifiers result in a
 	printed resource with ('R') or without ('r') a decoded flags member.
 
-Physical addresses:
+Physical addresses types phys_addr_t:
 
-	%pa	0x01234567 or 0x0123456789abcdef
+	%pa[p]	0x01234567 or 0x0123456789abcdef
 
 	For printing a phys_addr_t type (and its derivatives, such as
 	resource_size_t) which can vary based on build options, regardless of
 	the width of the CPU data path. Passed by reference.
 
+DMA addresses types dma_addr_t:
+
+	%pad	0x01234567 or 0x0123456789abcdef
+
+	For printing a dma_addr_t type which can vary based on build options,
+	regardless of the width of the CPU data path. Passed by reference.
+
 Raw buffer as a hex string:
 	%*ph	00 01 02  ...  3f
 	%*phC	00:01:02: ... :3f