ufshcd_wb_toggle
res = ufshcd_wb_toggle(hba, wb_enable);
int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable);
ufshcd_wb_toggle(hba, hba->pwr_info.gear_rx >= hba->clk_scaling.wb_gear);
ufshcd_wb_toggle(hba, true);
ufshcd_wb_toggle(hba, false);
int ufshcd_wb_toggle(struct ufs_hba *hba, bool enable);