The warnings,
drivers/char/hpet.c:72: warning: 'clocksource_hpet' defined but not used
drivers/char/hpet.c:81: warning: 'hpet_clocksource' defined but not used
from,
commit 3b2b64fd311c92f2137eb7cee7025794cd854057
Author: Linus Torvalds <[email protected]>
Date: Fri Aug 31 20:13:57 2007 -0700
This patch eliminates the warnings when the clocksoure isn't used.
It also removes some other unused stuff that goes along with the
clocksource ..
I don't have access to an ia64 machine, or even a compiler .. So this
one is untested for that. I'm hoping one of the ia64 guys can help
test this?
Signed-off-by: Daniel Walker <[email protected]>
---
drivers/char/hpet.c | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)
Index: linux-2.6.22/drivers/char/hpet.c
===================================================================
--- linux-2.6.22.orig/drivers/char/hpet.c
+++ linux-2.6.22/drivers/char/hpet.c
@@ -62,6 +62,7 @@
static u32 hpet_nhpet, hpet_max_freq = HPET_USER_FREQ;
+#ifdef CONFIG_IA64
static void __iomem *hpet_mctr;
static cycle_t read_hpet(void)
@@ -80,6 +81,23 @@ static struct clocksource clocksource_hp
};
static struct clocksource *hpet_clocksource;
+/* This clocksource driver currently only works on ia64 */
+static inline void ia64_clocksource_register(void)
+{
+ if (!hpet_clocksource) {
+ hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc;
+ CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr);
+ clocksource_hpet.mult = clocksource_hz2mult(hpetp->hp_tick_freq,
+ clocksource_hpet.shift);
+ clocksource_register(&clocksource_hpet);
+ hpetp->hp_clocksource = &clocksource_hpet;
+ hpet_clocksource = &clocksource_hpet;
+ }
+}
+#else
+static inline void ia64_clocksource_register(void) { }
+#endif
+
/* A lock for concurrent access by app and isr hpet activity. */
static DEFINE_SPINLOCK(hpet_lock);
/* A lock for concurrent intermodule access to hpet and isr hpet activity. */
@@ -909,18 +927,8 @@ int hpet_alloc(struct hpet_data *hdp)
hpetp->hp_delta = hpet_calibrate(hpetp);
-/* This clocksource driver currently only works on ia64 */
-#ifdef CONFIG_IA64
- if (!hpet_clocksource) {
- hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc;
- CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr);
- clocksource_hpet.mult = clocksource_hz2mult(hpetp->hp_tick_freq,
- clocksource_hpet.shift);
- clocksource_register(&clocksource_hpet);
- hpetp->hp_clocksource = &clocksource_hpet;
- hpet_clocksource = &clocksource_hpet;
- }
-#endif
+ ia64_clocksource_register();
+
return 0;
}
--
--
-
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