diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 5ff690d2e9a9..6d76929f31f5 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1246,6 +1246,7 @@ int rtsx_ms_power_off_card3v3(struct rtsx_pcr *pcr)
 
 static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 {
+	struct pci_dev *pdev = pcr->pci;
 	int err;
 
 	if (PCI_PID(pcr) == PID_5228)
@@ -1347,7 +1348,8 @@ static int rtsx_pci_init_hw(struct rtsx_pcr *pcr)
 	rtsx_pci_init_ocp(pcr);
 
 	/* Enable clk_request_n to enable clock power management */
-	rtsx_pci_write_config_byte(pcr, pcr->pcie_cap + PCI_EXP_LNKCTL + 1, 1);
+	pcie_capability_write_word(pdev, PCI_EXP_LNKCTL,
+				   PCI_EXP_LNKCTL_CLKREQ_EN);
 	/* Enter L1 when host tx idle */
 	rtsx_pci_write_config_byte(pcr, 0x70F, 0x5B);