Re: [PATCH] driver core: Add the ability to unbind drivers to devices from userspace

[Oliver Neukum <oliver@neukum.org>]

Am Freitag, 5. August 2005 20:14 schrieb Jon Smirl:
> On 8/5/05, Oliver Neukum <oliver@neukum.org> wrote:
> > Am Freitag, 5. August 2005 15:32 schrieb Jon Smirl:
> > > On 1/1/02, Pavel Machek <pavel@ucw.cz> wrote:
> > > > Hi!
> > > >
> > > > > > > New, simplified version of the sysfs whitespace strip patch...
> > > > > >
> > > > > > Could you tell me why you don't just fail the operation if malformed
> > > > > > input is supplied?
> > > > >
> > > > > Leading/trailing white space should be allowed. For example echo
> > > > > appends '\n' unless you know to use -n. It is easier to fix the kernel
> > > > > than to teach everyone to use -n.
> > > >
> > > > Please, NO! echo -n is the right thing to do, and users will eventually learn.
> > > > We are not going to add such workarounds all over the kernel...
> > >
> > > It is not a work around. These are text attributes meant for human
> > > use.  Humans have a hard time cleaning up things they can't see. And
> > > the failure mode for this is awful, your attribute won't set but
> > > everything on the screen looks fine.
> > 
> > The average user has no place poking sysfs. Root should know when
> > to use -n, as should shell scripts.
> 
> So the average user never needs to change their console mode? Check
> out /sys/class/graphics/fb/modes and mode.

That is what we have helper scripts for.

	Regards
		Oliver

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