powerpc/powermac: Add additional missing lockdep_register_key()

Commit df1f679 ("powerpc/powermac: Add missing lockdep_register_key()") fixed a problem that was causing a WARNING. There are two other places in the same file with the same problem originating from commit 9e607f7 ("i2c_powermac: shut up lockdep warning"). Add missing lockdep_register_key() Fixes: 9e607f7 ("i2c_powermac: shut up lockdep warning") Reported-by: Erhard Furtner <[email protected]> Signed-off-by: Christophe Leroy <[email protected]> Depends-on: df1f679 ("powerpc/powermac: Add missing lockdep_register_key()") Signed-off-by: Michael Ellerman <[email protected]> Link: https://bugzilla.kernel.org/show_bug.cgi?id=200055 Link: https://lore.kernel.org/r/2c7e421874e21b2fb87813d768cf662f630c2ad4.1638984999.git.christophe.leroy@csgroup.eu
ashr · Dec 9, 2021 · b149d5d · b149d5d
1 parent 06e629c
commit b149d5d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -811,6 +811,7 @@ static void __init pmu_i2c_probe(void)
 		bus->hostdata = bus + 1;
 		bus->xfer = pmu_i2c_xfer;
 		mutex_init(&bus->mutex);
+		lockdep_register_key(&bus->lock_key);
 		lockdep_set_class(&bus->mutex, &bus->lock_key);
 		bus->flags = pmac_i2c_multibus;
 		list_add(&bus->link, &pmac_i2c_busses);
@@ -934,6 +935,7 @@ static void __init smu_i2c_probe(void)
 		bus->hostdata = bus + 1;
 		bus->xfer = smu_i2c_xfer;
 		mutex_init(&bus->mutex);
+		lockdep_register_key(&bus->lock_key);
 		lockdep_set_class(&bus->mutex, &bus->lock_key);
 		bus->flags = 0;
 		list_add(&bus->link, &pmac_i2c_busses);