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Date: Tue, 4 Dec 2007 16:48:01 +1100
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From: Paul Mackerras <paulus@samba.org>
To: Johannes Berg <johannes@sipsolutions.net>
Subject: Re: [PATCH] powermac: proper sleep management
In-Reply-To: <1194981933.6695.17.camel@johannes.berg>
References: <1194981933.6695.17.camel@johannes.berg>
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Johannes Berg writes:

> +		printk(KERN_INFO
> +		       "via-pmu: the PMU_IOC_SLEEP ioctl is deprecated.\n");
> +		printk(KERN_INFO "via-pmu: use \"echo mem >"
> +		       " /sys/power/state\"  instead!\n");
> +		printk(KERN_INFO
> +		       "via-pmu: this ioctl will be removed soon.\n");

I don't like this.  I would rather keep the ioctls indefinitely and
not make any noise about programs using them.  The ioctls are part of
the kernel/user ABI, and thus need to be preserved, especially since
it only takes about 6 or 7 lines of code to implement them.

Paul.