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Date: Fri, 10 Jul 2020 13:58:44 -0700 From: Jakub Kicinski <kuba@...nel.org> To: <min.li.xe@...esas.com> Cc: <richardcochran@...il.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net-next] ptp: add debugfs support for IDT family of timing devices On Fri, 10 Jul 2020 11:41:25 -0400 min.li.xe@...esas.com wrote: > From: Min Li <min.li.xe@...esas.com> > > This patch is to add debugfs support for ptp_clockmatrix and ptp_idt82p33. > It will create a debugfs directory called idtptp{x} and x is the ptp index. > Three inerfaces are present, which are cmd, help and regs. help is read > only and will display a brief help message. regs is read only amd will show > all register values. cmd is write only and will accept certain commands. > Currently, the accepted commands are combomode to set comobo mode and write > to write up to 4 registers. > > Signed-off-by: Min Li <min.li.xe@...esas.com> No private configuration interfaces in debugfs, please. If what you're exposing is a useful feature it deserves a proper uAPI interface.
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