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

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Message-ID: <27a1e096-5bb6-a616-eee8-855e4fe424f7@codethink.co.uk>
Date:   Fri, 18 Oct 2019 11:56:40 +0100
From:   Ben Dooks <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...ts.codethink.co.uk
Cc:     Richard Cochran <richardcochran@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ptp_pch: include ethernet driver for external functions

On 18/10/2019 11:51, 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?
> 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?
> 
> Should we include the header file from the ethernet driver directly
> or if not, where should the declarations go?
> 
> Signed-off-by: Ben Dooks (Codethink) <ben.dooks@...ethink.co.uk>
> ---
> Cc: Richard Cochran <richardcochran@...il.com>
> Cc: netdev@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> ---
>   drivers/ptp/ptp_pch.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/ptp/ptp_pch.c b/drivers/ptp/ptp_pch.c
> index dcd6e00c8046..2bb1184b6359 100644
> --- a/drivers/ptp/ptp_pch.c
> +++ b/drivers/ptp/ptp_pch.c
> @@ -20,6 +20,8 @@
>   #include <linux/ptp_clock_kernel.h>
>   #include <linux/slab.h>
>   
> +#include <../net/ethernet/oki-semi/pch_gbe/pch_gbe.h>

oops, missed saving the version with ../../drivers/net

> +
>   #define STATION_ADDR_LEN	20
>   #define PCI_DEVICE_ID_PCH_1588	0x8819
>   #define IO_MEM_BAR 1
> 


-- 
Ben Dooks				http://www.codethink.co.uk/
Senior Engineer				Codethink - Providing Genius

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