On Tue, Mar 24, 2020 at 10:49:46AM +0100, Martin Kaiser wrote: > Hi Greg, > > Thus wrote Greg KH (g...@kroah.com): > > > That is because you have created a driver attribute, not a device > > attribute. Create device attributes and you should be fine, they bind > > to the device your driver is passed. > > could you point me to an example in the kernel tree where this is done > correctly for a platform device? > > I had a look at > > http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/ > > but I couldn't figure out how to create device attributes in a simple > platform driver that binds to a platform device.
Look at commit d99995a4f0f1 ("Input: axp20x-pek - convert driver to use dev_groups") in the 5.4 kernel as an example of how to use the correct api here. Hope this helps, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies