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Subject[RFC][PATCHv2 1/3] lib: printf: update documentation to cover all of %p[Mm][FR]
Date
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
Documentation/printk-formats.txt | 1 +
lib/vsprintf.c | 3 +++
2 files changed, 4 insertions(+)

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index d8d168fa..90ff4d7 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -59,6 +59,7 @@ MAC/FDDI addresses:
%pMR 05:04:03:02:01:00
%pMF 00-01-02-03-04-05
%pm 000102030405
+ %pmR 050403020100

For printing 6-byte MAC/FDDI addresses in hex notation. The 'M' and 'm'
specifiers result in a printed address with ('M') or without ('m') byte
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index a0b5f15..c65f5d4 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1287,7 +1287,10 @@ qualifier:
* %pR output the address range in a struct resource with decoded flags
* %pr output the address range in a struct resource with raw flags
* %pM output a 6-byte MAC address with colons
+ * %pMR output a 6-byte MAC address with colons in reversed order
+ * %pMF output a 6-byte MAC address with dashes
* %pm output a 6-byte MAC address without colons
+ * %pmR output a 6-byte MAC address without colons in reversed order
* %pI4 print an IPv4 address without leading zeros
* %pi4 print an IPv4 address with leading zeros
* %pI6 print an IPv6 address with colons
--
1.7.10


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