linux-kernel - Re: [PATCH] drivers: ptp: Include new header file in ptp

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Date:	Wed, 18 Dec 2013 15:40:50 -0800
From:	josh@...htriplett.org
To:	David Miller <davem@...emloft.net>
Cc:	richardcochran@...il.com, rashika.kheria@...il.com,
	linux-kernel@...r.kernel.org, dvhart@...ux.intel.com,
	joe@...ches.com, andriy.shevchenko@...ux.intel.com,
	vfalico@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH] drivers: ptp: Include new header file in ptp_pch.c

On Wed, Dec 18, 2013 at 05:43:59PM -0500, David Miller wrote:
> From: Richard Cochran <richardcochran@...il.com>
> Date: Mon, 16 Dec 2013 09:58:40 +0100
> 
> > On Mon, Dec 16, 2013 at 02:14:15AM +0530, Rashika Kheria wrote:
> >> ---
> >>  drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.h    |    9 ---------
> >>  .../net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c   |    1 +
> >>  drivers/ptp/ptp_pch.c                              |    1 +
> >>  include/linux/ptp_pch.h                            |   16 ++++++++++++++++
> >>  4 files changed, 18 insertions(+), 9 deletions(-)
> >>  create mode 100644 include/linux/ptp_pch.h
> > 
> > Instead of adding a random driver header into include/linux, I would
> > prefer that you just move the ptp_pch.c from drivers/ptp to
> > drivers/net/ethernet/oki-semi/pch_gbe. Then you can just include
> > pch_gbe.h directly.
> 
> I think this begs an even more fundamental question, why isn't the PTP
> driver abstraction providing the necessary methods and interfaces so
> that pch_gbe doesn't have to call into the ptp_pch.c code directly?
> 
> Moving ptp_pch.c elsehwere is not desirable, it's a PTP driver so
> it belongs under drivers/ptp.

For the moment, at least, would it be reasonable to have a proper header
for these functions since pch_gbe is currently calling them?  Making
that driver *not* call those functions might well be a sensible cleanup,
but does fixing this issue need to wait for that cleanup to happen?

- Josh Triplett
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