i386: HPET, check if the counter works

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Some systems have a HPET which is not incrementing, which leads to a
complete hang.  Detect it during HPET setup.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: john stultz <johnstul@us.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

...

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Thomas Gleixner 2007-07-21 17:11:12 +02:00 • committed by Linus Torvalds

parent df2edcf3b6

commit 075bcd1f97

1 changed files with 23 additions and 1 deletions

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arch/i386/kernel/hpet.c

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