x86: hpet: Make WARN_ON understandable
authorThomas Gleixner <tglx@linutronix.de>
Fri, 27 Nov 2009 14:24:44 +0000 (15:24 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Fri, 27 Nov 2009 19:37:41 +0000 (20:37 +0100)
commit18ed61da985c57eea3fe8038b13fa2837c9b3c3f
tree76f4088ded6203e981438b53b04317f73f27a82b
parentc8bc6f3c806f1fcbfdbf0b1ff6c52dba59192d3b
x86: hpet: Make WARN_ON understandable

Andrew complained rightly that the WARN_ON in hpet_next_event() is
confusing and the code comment not really helpful.

Change it to WARN_ONCE and print the reason in clear text. Change the
comment to explain what kind of hardware wreckage we deal with.

Pointed-out-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Venki Pallipadi <venkatesh.pallipadi@intel.com>
arch/x86/kernel/hpet.c