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ARM: mcpm, perf/arm-cci: export mcpm_is_available

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Now that the ARM CCI PMU driver can be built as a loadable module,
we get a link failure when MCPM is enabled:

ERROR: "mcpm_is_available" [drivers/perf/arm-cci.ko] undefined!

The simplest fix is to export that helper function.

Fixes: 8b0c93c20ef7 ("perf/arm-cci: Allow building as a module")
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Arnd Bergmann 2018-05-28 17:44:36 +02:00 committed by Will Deacon
parent 984e9cf1b9
commit 73acc0315c
1 changed files with 2 additions and 0 deletions
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2
arch/arm/common/mcpm_entry.c
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@ -9,6 +9,7 @@
* published by the Free Software Foundation.
*/
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/irqflags.h>
@ -174,6 +175,7 @@ bool mcpm_is_available(void)
{
return (platform_ops) ? true : false;
}
EXPORT_SYMBOL_GPL(mcpm_is_available);
/*
* We can't use regular spinlocks. In the switcher case, it is possible