ufs_sys_ctrl_readl
if (ufs_sys_ctrl_readl(host, PHY_CLK_CTRL) & BIT_SYSCTRL_REF_CLOCK_EN)
reg = ufs_sys_ctrl_readl(host, PHY_CLK_CTRL);
((~(mask)) & (ufs_sys_ctrl_readl((host), (reg)))), \
(host), ((mask) | (ufs_sys_ctrl_readl((host), (reg)))), (reg))