[MIPS] Clocksource: Only install r4k counter as clocksource if present.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2008-03-12 13:58:10 +00:00
parent 127f166861
commit 69e634f1e2
2 changed files with 9 additions and 3 deletions

View File

@ -22,12 +22,17 @@ static struct clocksource clocksource_mips = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
void __init init_mips_clocksource(void)
int __init init_mips_clocksource(void)
{
if (!cpu_has_counter || !mips_hpt_frequency)
return -ENXIO;
/* Calclate a somewhat reasonable rating value */
clocksource_mips.rating = 200 + mips_hpt_frequency / 10000000;
clocksource_set_clock(&clocksource_mips, mips_hpt_frequency);
clocksource_register(&clocksource_mips);
return 0;
}

View File

@ -64,10 +64,11 @@ static inline int mips_clockevent_init(void)
* Initialize the count register as a clocksource
*/
#ifdef CONFIG_CEVT_R4K
extern void init_mips_clocksource(void);
extern int init_mips_clocksource(void);
#else
static inline void init_mips_clocksource(void)
static inline int init_mips_clocksource(void)
{
return 0;
}
#endif