powerpc/imc-pmu: Use the correct spinlock initializer.

The macro __SPIN_LOCK_INITIALIZER() is implementation specific. Users
that desire to initialize a spinlock in a struct must use
__SPIN_LOCK_UNLOCKED().

Use __SPIN_LOCK_UNLOCKED() for the spinlock_t in imc_global_refc.

Fixes: 76d588dddc459 ("powerpc/imc-pmu: Fix use of mutex in IRQs disabled section")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230309134831.Nz12nqsU@linutronix.de

diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index 2016aee2703798c4eb37cb5c2de9a080eb81dc5f..5d12ca386c1fcbb1e464379c76031075ee4bd7bc 100644 (file)
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -51,7 +51,7 @@ static int trace_imc_mem_size;
  * core and trace-imc
  */
 static struct imc_pmu_ref imc_global_refc = {
-       .lock = __SPIN_LOCK_INITIALIZER(imc_global_refc.lock),
+       .lock = __SPIN_LOCK_UNLOCKED(imc_global_refc.lock),
        .id = 0,
        .refc = 0,
 };