Re: [PATCH] arch/powerpc/boot/devtree.c: use %pM to show MACaddress

[Paul Mackerras]

On Wed, Dec 30, 2009 at 02:30:39PM -0500, H Hartley Sweeten wrote:

> Use the %pM kernel extension to display the MAC address.
> 
> Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
> 
> ---
> 
> diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c
> index a7e21a3..a2f07a5 100644
> --- a/arch/powerpc/boot/devtree.c
> +++ b/arch/powerpc/boot/devtree.c
> @@ -93,10 +93,7 @@ void dt_fixup_mac_address_by_alias(const char *alias, const u8 *addr)
>  	void *devp = find_node_by_alias(alias);
>  
>  	if (devp) {
> -		printf("%s: local-mac-address <-"
> -		       " %02x:%02x:%02x:%02x:%02x:%02x\n\r", alias,
> -		       addr[0], addr[1], addr[2],
> -		       addr[3], addr[4], addr[5]);
> +		printf("%s: local-mac-address <- %pM\n\r", alias, addr);

Nak - this isn't the kernel, this is a separate program, namely the
bootwrapper that decompresses the kernel image, and it has its own
printf (not printk) implementation in arch/powerpc/boot/stdio.c, which
doesn't understand the %pX extensions (and I don't see any good reason
to make it do so).

Paul.
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