On Thu, May 16, 2024 at 08:04:59PM +0800, Sui Jingfeng wrote: > > > On 5/16/24 18:40, Sui Jingfeng wrote: > > use 'to_i2c_client(bridge->dev)' to retrieve the pointer > > to_i2c_client(bridge->kdev). > > Besides, this also means that we don't need to add the fwnode > pointer into struct drm_bridge as member. Relief the conflicts > with other reviewers if the work of switching to fwnode is still > needed. As for majorities cases (1 to 1), of_node and fwnode can > be retrieved with 'struct device *' easily. The aux-bridge.c and > aux-hdp-bridge.c can also be converted too easily. > > of_node, fwnode, swnode and device properties are all belong to > the backing device structure itself. It can be more natural to use > device_proterty_read_xxx() APIs after init time, Which in turn > avoid the need to acquire and duplicate all properties another > time in the driver private structure. This doesn't sound 100% correct. This is going to drop the possibile case when bridge driver uses child DT or FW node under the main device node. For example of such usecase see drivers/usb/typec/tcpm/qcom/qcom_pmic_typec.c > > We could do the programming around the 'struct device *.', remove > a batch of boilerplate. -- With best wishes Dmitry