* [PATCH] x86/tsc: Fix -Wmissing-prototypes warning for calibrate_delay_is_known()
@ 2018-11-13 4:40 Yi Wang
0 siblings, 0 replies; only message in thread
From: Yi Wang @ 2018-11-13 4:40 UTC (permalink / raw)
To: tglx
Cc: mingo, bp, hpa, x86, pasha.tatashin, wang.yi59, rajvi.jingar,
linux-kernel, zhong.weidong, bp
We get a warning when building kernel with W=1:
arch/x86/kernel/tsc.c:1497:15: warning: no previous prototype for ‘calibrate_delay_is_known’ [-Wmissing-prototypes]
unsigned long calibrate_delay_is_known(void)
^
Add the missing declaration in head file to fix this.
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
---
arch/x86/include/asm/tsc.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index eb5bbfe..8a0c25c 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -35,6 +35,7 @@ static inline cycles_t get_cycles(void)
extern void tsc_early_init(void);
extern void tsc_init(void);
+extern unsigned long calibrate_delay_is_known(void);
extern void mark_tsc_unstable(char *reason);
extern int unsynchronized_tsc(void);
extern int check_tsc_unstable(void);
--
1.8.3.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2018-11-13 4:38 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-11-13 4:40 [PATCH] x86/tsc: Fix -Wmissing-prototypes warning for calibrate_delay_is_known() Yi Wang
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).