> + on such processors; this driver supports only the first one,
> + because currently Linux only supports exporting one watchdog
> + to userspace.
Yep. Perhaps that should change.
> + * wdog is the iomem address of the cfg register
> + */
> + void
> +sbwdog_set(char __iomem *wdog, unsigned long t)
> +{
> + __raw_writeb(0, wdog - 0x10);
> + __raw_writeq(t & 0x7fffffUL, wdog);
> +}
What guarantees you don't get a pair of these calls at once or
interleaving ?
> + * return the bits from the config register
> + */
> + ret = put_user(__raw_readb(user_dog), p);
Should return the translated status bits ?
Alan
