[patch] Fix hpet wrong values

From: Pavel Machek
Date: Tue Nov 27 2007 - 07:22:53 EST


If hpet is not enabled in config, its init should not pretend to work,
and people should not try to get time from it.

Signed-off-by: Pavel Machek <pavel@xxxxxxx>

diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h
index b1f3c1e..1777d68 100644
--- a/include/asm-x86/hpet.h
+++ b/include/asm-x86/hpet.h
@@ -81,8 +81,8 @@ #endif /* CONFIG_HPET_EMULATE_RTC */

#else

-static inline int hpet_enable(void) { return 0; }
-static inline unsigned long hpet_readl(unsigned long a) { return 0; }
+static inline int hpet_enable(void) { return -ENODEV; }
+static inline unsigned long hpet_readl(unsigned long a) { BUG(); }

#endif /* CONFIG_HPET_TIMER */
#endif /* ASM_X86_HPET_H */

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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