SUSMOD
if ((gx_params->pci_suscfg & SUSMOD) == 0)
suscfg = gx_params->pci_suscfg|SUSMOD;
suscfg = gx_params->pci_suscfg|SUSMOD|PWRSVE;
suscfg = gx_params->pci_suscfg | SUSMOD;
suscfg = gx_params->pci_suscfg & ~(SUSMOD);