diff --git a/drivers/hwspinlock/qcom_hwspinlock.c b/drivers/hwspinlock/qcom_hwspinlock.c
index 364710966665..e49914664863 100644
--- a/drivers/hwspinlock/qcom_hwspinlock.c
+++ b/drivers/hwspinlock/qcom_hwspinlock.c
@@ -105,7 +105,7 @@ static const struct regmap_config tcsr_mutex_config = {
 	.reg_bits		= 32,
 	.reg_stride		= 4,
 	.val_bits		= 32,
-	.max_register		= 0x40000,
+	.max_register		= 0x20000,
 	.fast_io		= true,
 };