CHANGE_CLK
CHANGE_CLK, CHANGE_CLK);
err = rtsx_pci_write_register(pcr, CLK_CTL, CHANGE_CLK, 0);
rtsx_pci_write_register(pcr, CLK_CTL, CHANGE_CLK, CHANGE_CLK);
rtsx_pci_write_register(pcr, CLK_CTL, CHANGE_CLK, 0);