diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 808a320e9d5d..a7ecb9a84c15 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -487,7 +487,7 @@ static int __init pcc_cpufreq_probe(void)
 	doorbell.space_id = reg_resource->space_id;
 	doorbell.bit_width = reg_resource->bit_width;
 	doorbell.bit_offset = reg_resource->bit_offset;
-	doorbell.access_width = 64;
+	doorbell.access_width = 4;
 	doorbell.address = reg_resource->address;
 
 	pr_debug("probe: doorbell: space_id is %d, bit_width is %d, "