to_phy
static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
ret = clk_set_parent(c[2], c[to_phy]);
hdata->drv_data->clk_muxes.data[i + to_phy], ret);
phy = to_phy(dev);
return to_phy(target_dev);