On Tue, May 23, 2017 at 12:58:07PM +0530, Madhu K wrote: > Hi Greg, > > Thanks for your response. > > > On Tue, May 23, 2017 at 12:04 PM, Greg KH <greg@xxxxxxxxx> wrote: > > On Tue, May 23, 2017 at 11:58:31AM +0530, Madhu K wrote: > > Hi All, > > > > why there is no character device entry present in /sys/class? where as > block > > and net device entries are present. > > I see character devices there, but not the device nodes. I don't see > block device nodes there either. > > > If I am wrong please correct me, there is a folder called block in /sys/class. > is block not containing block device nodes? Nope, look closer :) > > Not only in /sys/class, for that matter why there is no character device > > entries present in /sys file system. > > What do you exactly mean by "character device entries"? > > > like block and net why there is no char folder Again, look closer please. > > please help me to understand for what purpose char devices are kept away > from / > > sys file system. > > Have you read the driver model chapter in the Linux Device drivers book, > or the in-kernel sysfs documentation? Again, please read all of the copious documentation that we have written already about this topic. If after that, you still have questions, I will be more than glad to help answer them. thanks, greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
