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authorJames Hogan <james.hogan@imgtec.com>2013-07-22 18:18:34 +0400
committerJames Hogan <james.hogan@imgtec.com>2016-05-03 11:25:30 +0300
commitf5d163aad31e4ec30f7258e655503824a2b03d45 (patch)
tree3676736b21b8b3b641dc837be9e937fcc2eb65bf /arch/metag
parent879d08ec30586ade3e785fe993ba50b8c89d05ef (diff)
downloadlinux-f5d163aad31e4ec30f7258e655503824a2b03d45.tar.xz
metag: perf: fix build on Meta1
Meta1 doesn't support PERF_ICORE or PERF_CHAN registers resulting in build errors due to missing definitions. Fix this with an ifdef matching the one in asm/metag_mem.h. The build errors (found by a randconfig): arch/metag/kernel/perf/perf_event.c: In function 'metag_pmu_enable_counter': arch/metag/kernel/perf/perf_event.c:639: error: 'PERF_ICORE0' undeclared (first use in this function) arch/metag/kernel/perf/perf_event.c:639: error: (Each undeclared identifier is reported only once arch/metag/kernel/perf/perf_event.c:639: error: for each function it appears in.) arch/metag/kernel/perf/perf_event.c:643: error: 'PERF_CHAN0' undeclared (first use in this function) Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-metag@vger.kernel.org
Diffstat (limited to 'arch/metag')
-rw-r--r--arch/metag/kernel/perf/perf_event.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/metag/kernel/perf/perf_event.c b/arch/metag/kernel/perf/perf_event.c
index 2478ec6d23c9..33a365f924be 100644
--- a/arch/metag/kernel/perf/perf_event.c
+++ b/arch/metag/kernel/perf/perf_event.c
@@ -618,6 +618,8 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx)
/* Check for a core internal or performance channel event. */
if (tmp) {
+ /* PERF_ICORE/PERF_CHAN only exist since Meta2 */
+#ifdef METAC_2_1
void *perf_addr;
/*
@@ -640,6 +642,7 @@ static void metag_pmu_enable_counter(struct hw_perf_event *event, int idx)
if (perf_addr)
metag_out32((config & 0x0f), perf_addr);
+#endif
/*
* Now we use the high nibble as the performance event to