When compiling the kernel with configuration options ...
# CONFIG_ARCH_OMAP2 is not set
# CONFIG_ARCH_OMAP3 is not set
# CONFIG_ARCH_OMAP4 is not set
# CONFIG_SOC_OMAP5 is not set
CONFIG_SOC_AM33XX=y
... the following build warning is seen.
CC arch/arm/mach-omap2/timer.o
arch/arm/mach-omap2/timer.c:395:19: warning: ‘omap2_sync32k_clocksource_init’
defined but not used [-Wunused-function]
This issue was introduced by commit 6f80b3b (ARM: OMAP2+: timer: remove
CONFIG_OMAP_32K_TIMER) where the omap2_sync32k_clocksource_init() is no
longer referenced by the timer initialisation function for the AM335x
device as it has no 32k-sync timer.
Fix this by only including the omap2_sync32k_clocksource_init() function
if either OMAP2, OMAP3, OMAP4 or OMAP5 devices are enabled.
Cc: Igor Grinberg <grinberg@xxxxxxxxxxxxxx>
Signed-off-by: Jon Hunter <jon-hunter@xxxxxx>
---
arch/arm/mach-omap2/timer.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index eb96712..085c7e7 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -386,6 +386,8 @@ static u32 notrace dmtimer_read_sched_clock(void)
return 0;
}
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+ defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
static struct of_device_id omap_counter_match[] __initdata = {
{ .compatible = "ti,omap-counter32k", },
{ }
@@ -451,6 +453,7 @@ static int __init omap2_sync32k_clocksource_init(void)
return ret;
}
+#endif
static void __init omap2_gptimer_clocksource_init(int gptimer_id,
const char *fck_source)
--
1.7.10.4
--
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