On Thu, Jul 09, 2009 at 05:18:39PM +0530, arun c wrote: > Hi, > > I want to create sysfs entries for my character device > in order to manipulate (show, store) the device parameters. > > I am registering the character driver by > alloc_chrdev_region + cdev_init + cdev_add. > > what is the preferred method to create sysfs > entries for the new character device? Do so on the struct device that your bus type hands to you. > The hardware for which I am writing driver is like this > Its is a PCI card with 4 or 2 CAN devices(depending > on the board varient) on it. /dev/canN will be the > dev node for the devices > > My doubt is whether I have to create sysfs entries > in the folder /sys/bus/pci/devices/XXXX or > use class_create() + device_create() and then > create the entries in the folder /sys/class/my_new_class/? You could, if you wish to create a new class. Odds are you should just use the existing interfaces provided for this. For a PCI device, use the PCI device structure passed to your probe function. thanks, greg k-h -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
