Hi Greg, Thanks for your response.
On Tue, May 23, 2017 at 12:04 PM, Greg KH <g...@kroah.com> 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? > > > > 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 > > > 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? > > thanks, > > greg k-h >
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