From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 16 Nov 2007 02:41:50 +0000 (-0500)
Subject: x86: add hpet sanity checks
X-Git-Tag: v2.6.24-rc4~114^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4df73c2914a49bf6a55896aaecb0563c955e167;p=pandora-kernel.git

x86: add hpet sanity checks

Some BIOSes advertise HPET at 0x0. We really do no want to
allocate a resource there. Check for it and leave early.

Other BIOSes tell us the HPET is at 0xfed0000000000000
instead of 0xfed00000. Add a check and fix it up with a warning
on user request.


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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