linux-kernel - Re: debugfs helper for decimal challenged

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Date:	Wed, 1 Aug 2007 15:25:23 -0700
From:	Greg KH <gregkh@...e.de>
To:	Robin Getz <rgetz@...ckfin.uclinux.org>
Cc:	linux-kernel@...r.kernel.org, Mike Frysinger <vapier.adi@...il.com>
Subject: Re: debugfs helper for decimal challenged

On Wed, Aug 01, 2007 at 05:52:58PM -0400, Robin Getz wrote:
> Greg:
> 
> For those of us who forget that when bits 21 and bit 31 in a hardware 
> register exposed with debugfs, I should see 2149580800 when I cat it (vs
> 0x80200000), any objections to providing a hex output interface to the 
> debugfs?
> 
> Since the input side already takes decimal & hex, I don't think this is a big
> change:
> 
> DEFINE_SIMPLE_ATTRIBUTE(fops_x16, debugfs_u16_get, debugfs_u16_set, "0x%04llx\n");
> 
> struct dentry *debugfs_create_x16(const char *name, mode_t mode,
>                                   struct dentry *parent, u16 *value)
> {
>         return debugfs_create_file(name, mode, parent, value, &fops_x16);
> }
> 
> DEFINE_SIMPLE_ATTRIBUTE(fops_x32, debugfs_u32_get, debugfs_u32_set, "0x%08llx\n");
> 
> struct dentry *debugfs_create_x32(const char *name, mode_t mode,
>                                   struct dentry *parent, u32 *value)
> {
>         return debugfs_create_file(name, mode, parent, value, &fops_x32);
> }
> 
> If this is OK - I will send a real patch.

That sounds good to me, feel free to send a real patch.

thanks,

greg k-h
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