selftest/powerpc: Wrong PMC initialized in pmc56_overflow test

BugLink: http://bugs.launchpad.net/bugs/1660993
commit df21d2fa733035e4d414379960f94b2516b41296 upstream.

Test uses PMC2 to count the event. But PMC1 is being initialized.
Patch to fix it.

Fixes: 3752e453f6ba ('selftests/powerpc: Add tests of PMU EBBs')
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>

diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
index c22860ab973378f76417d2bc85f1daf2c828e0c7..30e1ac62e8cb4249350c89aa64163e3d4ee3bedd 100644 (file)
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -66,7 +66,7 @@ int pmc56_overflow(void)
 
        FAIL_IF(ebb_event_enable(&event));
 
-       mtspr(SPRN_PMC1, pmc_sample_period(sample_period));
+       mtspr(SPRN_PMC2, pmc_sample_period(sample_period));
        mtspr(SPRN_PMC5, 0);
        mtspr(SPRN_PMC6, 0);