diff --git a/drivers/platform/mpam/mpam_devices.c b/drivers/platform/mpam/mpam_devices.c
index 19bd40814685d1b67bb563415a89df66db0e9190..af7d1fc3b324ac4689806faa581b48f1983c4202 100644
--- a/drivers/platform/mpam/mpam_devices.c
+++ b/drivers/platform/mpam/mpam_devices.c
@@ -936,6 +936,9 @@ static void __ris_msmon_read(void *arg)
 		  FIELD_PREP(MSMON_CFG_MON_SEL_RIS, ris->ris_idx);
 	mpam_write_monsel_reg(msc, CFG_MON_SEL, mon_sel);
 
+	/* Selects a monitor instance to configure PARTID. */
+	wmb();
+
 	if (m->type == mpam_feat_msmon_mbwu) {
 		mbwu_state = &ris->mbwu_state[ctx->mon];
 		if (mbwu_state) {
@@ -956,6 +959,12 @@ static void __ris_msmon_read(void *arg)
 	if (config_mismatch || reset_on_next_read)
 		write_msmon_ctl_flt_vals(m, ctl_val, flt_val);
 
+	/*
+	 * Selects the monitor instance associated to the specified PARTID
+	 * to read counter value.
+	 */
+	wmb();
+
 	switch (m->type) {
 	case mpam_feat_msmon_csu:
 		now = mpam_read_monsel_reg(msc, CSU);