Arnd Bergmann wrote:
> On Tuesday 21 March 2006 23:46, Randy.Dunlap wrote:
> > +#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */
> > +#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */
> > +#define HPET_INFO _IOR('h', 0x03, struct hpet_info)
> > +#define HPET_EPI _IO('h', 0x04) /* enable periodic */
> > +#define HPET_DPI _IO('h', 0x05) /* disable periodic */
> > +#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */
>
> By the way, HPET_INFO and HPET_IRQFREQ don't work for 32 bit user space,
> the driver needs a compat_ioctl() method to handle those.
There isn't any program (except the example in the docs) that uses any
of these ioctls, and I'm writing patches to make this device available
through portable timer APIs like hrtimer/POSIX clocks/ALSA that are much
easier to use besides, so I think it would be a good idea to just
schedule these ioctls for removal.
Clemens
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