Messages in this thread | | | Date | Fri, 26 Jan 2007 09:36:43 +0000 | From | Pavel Machek <> | Subject | Re: [patch] suspend/resume debugging: device filter |
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Hi!
> > it might be better to do this centrally in sysfs, via a per-device > > attribute, to individually enable suspend and resume on a per device > > basis, but my sysfs-fu is not strong enough for that now ;-) > > Here's a (compile tested only) patch that does this on a per-device > basis, which is smaller, and should work just as well as your patch. > > It creates a new file in the power/ directory for every device called > "can_suspend". Write a '0' to it to prevent that device from being > suspended.
Maybe we could just introduce debug_flags?
> +static ssize_t can_suspend_store(struct device *dev, > + struct device_attribute *attr, > + const char *buf, size_t n) > +{ > + if (!n) > + return -EINVAL; > + > + switch (buf[0]) { > + case 'y': > + case 'Y': > + case '1': > + dev->no_suspend = 0; > + break; > + case 'n': > + case 'N': > + case '0': > + dev->no_suspend = 1; > + break;
default: return -EINVAL ?
Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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