ARM: AM335x: Fix warning in timer.c
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 6f80b3bb (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 adding the "__maybe_unused" compiler directive to the omap2_sync32k_clocksource_init() function to indicate that this function may be used for certain configurations. Cc: Igor Grinberg <grinberg@compulab.co.il> Signed-off-by: NJon Hunter <jon-hunter@ti.com>
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