linux-kernel - Re: [PATCHv3 1/3] lib: printf: update documentation to cover all of %p[Mm][FR]

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Date:	Tue, 24 Jul 2012 11:07:29 +0300
From:	andrei.emeltchenko.news@...il.com
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, proski@....org,
	linux-wireless@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, joe@...ches.com,
	Larry Finger <Larry.Finger@...inger.net>
Subject: Re: [PATCHv3 1/3] lib: printf: update documentation to cover all of
 %p[Mm][FR]

On Wed, Jul 04, 2012 at 11:45:50AM +0300, Andy Shevchenko wrote:
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Andrei Emeltchenko <andrei.emeltchenko@...el.com> 

> ---
>  Documentation/printk-formats.txt |    1 +
>  lib/vsprintf.c                   |    5 ++++-
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> 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..e500158 100644
> --- a/lib/vsprintf.c
> +++ b/lib/vsprintf.c
> @@ -946,7 +946,7 @@ int kptr_restrict __read_mostly;
>   * - 'm' For a 6-byte MAC address, it prints the hex address without colons
>   * - 'MF' For a 6-byte MAC FDDI address, it prints the address
>   *       with a dash-separated hex notation
> - * - '[mM]R For a 6-byte MAC address, Reverse order (Bluetooth)
> + * - '[mM]R' For a 6-byte MAC address, Reverse order (Bluetooth)
>   * - 'I' [46] for IPv4/IPv6 addresses printed in the usual way
>   *       IPv4 uses dot-separated decimal without leading 0's (1.2.3.4)
>   *       IPv6 uses colon separated network-order 16 bit hex with leading 0's
> @@ -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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