[PATCH 3/8] console: factorise function to get the console by name

[Jean-Christophe PLAGNIOL-VILLARD]

On 10:50 Fri 27 Sep     , Sascha Hauer wrote:
> On Fri, Sep 27, 2013 at 09:14:13AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > rename it to console_get_by_name
> > 
> > +struct console_device *console_get_by_name(const char *cname)
> > +{
> > +	struct console_device *cdev;
> > +	const char *target;
> > +
> > +	for_each_console(cdev) {
> > +		target = dev_id(&cdev->class_dev);
> > +		if (strcmp(cname, target))
> > +			continue;
> > +		if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT))
> > +			return cdev;
> > +		return NULL;
> > +	}
> > +	return NULL;
> > +}
> > +EXPORT_SYMBOL(console_get_by_name);
> 
> I know this patch doesn't change the current behaviour, but a common
> function console_get_by_name() should return return the console by name
> regardless of whether it's active or not.

I change it behaviour later as now this function will check the console
feature

as the current implemetation do it too but in the wrong way
> 
> For the loadx code this would be a net win aswell. I think this code
> should not depend on an active console but the other way round: It
> should clear the CONSOLE_STDIN/CONSOLE_STDOUT during loadx operation.
> This way we could easily make sure there are no printf message garbling
> the line during transfers and still we could have console messages on
> other consoles.

patch 8 finaly clean it


Best Regards,
J.
> 
> Sascha
> 
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