Re: [PATCH 1/5] drivers/base: Add a DEVICE_BOOL_ATTR macro

[Borislav Petkov]

On Wed, Oct 17, 2012 at 12:03:00PM -0700, Greg Kroah-Hartman wrote:
> On Wed, Oct 17, 2012 at 01:13:51PM +0200, Borislav Petkov wrote:
> > +ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
> > +			  const char *buf, size_t size)
> > +{
> > +	struct dev_ext_attribute *ea = to_ext_attr(attr);
> > +	u8 bval;
> > +
> > +	if (kstrtou8(buf, 10, &bval) < 0)
> > +		return -EINVAL;
> > +
> > +	*(bool *)ea->var = !!bval;
> > +
> > +	return size;
> > +}
> > +EXPORT_SYMBOL_GPL(device_store_bool);
> 
> Wouldn't it be nice to be able to accept 'y' 'Y' 'n' 'N' '0' and '1'
> like the module bool parameter code does?  That would make things a bit
> more consistent, and possibly allow you to use this function for the
> module sysfs file handling as well.

That could be easily done, let me try it tomorrow. Any other letters you
prefer? Maybe, 'G' 'r' 'e' 'g'... ?

:-)

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Boris.

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