powerpc/perf: Remove l2 bus events from HW cache event array

Remove PM_L2_ST_MISS and PM_L2_ST from HW cache event array since
these are bus events. And these needs to be programmed in groups.
Hence remove them.

Fixes: f1fb60bf ('powerpc/perf: Export Power9 generic and cache events to sysfs')
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/perf/power9-pmu.c

@@ -171,8 +171,6 @@ CACHE_EVENT_ATTR(L1-icache-prefetches,		PM_IC_PREF_WRITE);
 CACHE_EVENT_ATTR(LLC-load-misses,		PM_DATA_FROM_L3MISS);
 CACHE_EVENT_ATTR(LLC-loads,			PM_DATA_FROM_L3);
 CACHE_EVENT_ATTR(LLC-prefetches,		PM_L3_PREF_ALL);
-CACHE_EVENT_ATTR(LLC-store-misses,		PM_L2_ST_MISS);
-CACHE_EVENT_ATTR(LLC-stores,			PM_L2_ST);
 CACHE_EVENT_ATTR(branch-load-misses,		PM_BR_MPRED_CMPL);
 CACHE_EVENT_ATTR(branch-loads,			PM_BR_CMPL);
 CACHE_EVENT_ATTR(dTLB-load-misses,		PM_DTLB_MISS);
@@ -197,8 +195,6 @@ static struct attribute *power9_events_attr[] = {
 	CACHE_EVENT_PTR(PM_DATA_FROM_L3MISS),
 	CACHE_EVENT_PTR(PM_DATA_FROM_L3),
 	CACHE_EVENT_PTR(PM_L3_PREF_ALL),
-	CACHE_EVENT_PTR(PM_L2_ST_MISS),
-	CACHE_EVENT_PTR(PM_L2_ST),
 	CACHE_EVENT_PTR(PM_BR_MPRED_CMPL),
 	CACHE_EVENT_PTR(PM_BR_CMPL),
 	CACHE_EVENT_PTR(PM_DTLB_MISS),
@@ -346,8 +342,8 @@ static int power9_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
 			[ C(RESULT_MISS)   ] = PM_DATA_FROM_L3MISS,
 		},
 		[ C(OP_WRITE) ] = {
-			[ C(RESULT_ACCESS) ] = PM_L2_ST,
-			[ C(RESULT_MISS)   ] = PM_L2_ST_MISS,
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
 		},
 		[ C(OP_PREFETCH) ] = {
 			[ C(RESULT_ACCESS) ] = PM_L3_PREF_ALL,