On Mon, Aug 03, 2020 at 07:04:56PM -0300, Daniel Gutson wrote: > > > > Think of this as an input device. You don't put the random input > > > > attributes all in one place, you create a new device that represents the > > > > input interface and register that. > > I'm having trouble with this. What's the dev_t for the child devices? > I'm doing > child_device = device_create(&my_class, &pdev->dev, MKDEV(0, 0), > NULL, "child"); > pdev is the pci_device (intel-spi-pci) > dmesg shows > > sysfs: cannot create duplicate filename '/class/my-class' > (call trace) > kobject_add_internal failed for my-class with -EEXIST, don't try > to register things with the same name in the same directory.
Without seeing all of your code, I can't tell you what you are doing wrong, but the kernel should be giving you a huge hint here... Don't create duplicate names in the same subdirectory. thanks, greg k-h
