netdev - Re: [PATCH] ptp_pch: include ethernet driver for external functions

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Date:   Fri, 18 Oct 2019 04:41:16 -0700
From:   Richard Cochran <richardcochran@...il.com>
To:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
Cc:     linux-kernel@...ts.codethink.co.uk, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ptp_pch: include ethernet driver for external functions

On Fri, Oct 18, 2019 at 11:51:28AM +0100, Ben Dooks (Codethink) wrote:
> The driver uses a number of functions from the ethernet driver
> so include the header to remove the following warnings from
> sparse about undeclared functions:
> 
> drivers/ptp/ptp_pch.c:182:5: warning: symbol 'pch_ch_control_read' was not declared. Should it be static?

That one is never used and should be removed.

> drivers/ptp/ptp_pch.c:193:6: warning: symbol 'pch_ch_control_write' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:201:5: warning: symbol 'pch_ch_event_read' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:212:6: warning: symbol 'pch_ch_event_write' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:220:5: warning: symbol 'pch_src_uuid_lo_read' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:231:5: warning: symbol 'pch_src_uuid_hi_read' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:242:5: warning: symbol 'pch_rx_snap_read' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:259:5: warning: symbol 'pch_tx_snap_read' was not declared. Should it be static?
> drivers/ptp/ptp_pch.c:300:5: warning: symbol 'pch_set_station_address' was not declared. Should it be static?

> +#include <../net/ethernet/oki-semi/pch_gbe/pch_gbe.h>

Instead of that long relative path, just move ptp_pch.c out of
drivers/ptp and into drivers/net/ethernet/oki-semi/pch_gbe.

Then move the shared declarations out of pch_gbe.h and into a new
header file, included by both users with:

#include "ptp_pch.h"

Thanks,

Richard