HWS_REG_SYS_STATUS
sys_status = readl(hws->bar0_base + HWS_REG_SYS_STATUS);
void __iomem *reg = pdx->bar0_base + HWS_REG_SYS_STATUS;
u32 status = readl(hws->bar0_base + HWS_REG_SYS_STATUS);
status = readl(hws->bar0_base + HWS_REG_SYS_STATUS);