xtensa: fix xtensa_pmu_setup prototype

Fix the following build error in configurations with
CONFIG_XTENSA_VARIANT_HAVE_PERF_EVENTS=y:

  arch/xtensa/kernel/perf_event.c:420:29: error: passing argument 3 of
  ‘cpuhp_setup_state’ from incompatible pointer type

Cc: stable@vger.kernel.org
Fixes: 25a77b55e74c ("xtensa/perf: Convert the hotplug notifier to state machine callbacks")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index 99fcd63ce597f6e781ec995afcacfef952463b2a..a0d05c8598d0fe0e488bbceb781b5a3e363b39b7 100644 (file)
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -399,7 +399,7 @@ static struct pmu xtensa_pmu = {
        .read = xtensa_pmu_read,
 };
 
-static int xtensa_pmu_setup(int cpu)
+static int xtensa_pmu_setup(unsigned int cpu)
 {
        unsigned i;