Re: [PATCH] of: Custom printk format specifier for device node

[Joe Perches]

On Tue, 2015-01-20 at 16:52 +0200, Pantelis Antoniou wrote:
> Hi Rob,
> 
> > On Jan 20, 2015, at 16:47 , Rob Herring <robherring2@xxxxxxxxx> wrote:
> > 
> > On Tue, Jan 20, 2015 at 8:34 AM, Pantelis Antoniou
> > <pantelis.antoniou@xxxxxxxxxxxx> wrote:
> >> 90% of the usage of device node's full_name is printing it out
> >> in a kernel message. Preparing for the eventual delayed allocation
> >> introduce a custom printk format specifier that is both more
> >> compact and more pleasant to the eye.
[]
> >> diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
[]
> >> +Device tree nodes:
> >> +
> >> +       %pO{,1,2}
> > 
> > 'O' is not very obvious, but I imagine we are somewhat limted in our
> > choice here?
> > 
> 
> All the good women are married, all the handsome men are gay, all the obvious
> format specifiers are taken.

Not really at all.

I quite dislike '0' as the format type specifier for
a device tree node as there's no mnemonic mapping.



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