linux-kernel - Re: [PATCH] drivers: staging: speakup: serialio: fix warning linux/serial.h is included more than once

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Message-ID: <20190527202819.mh635ht2jf4ku7rl@function>
Date:   Mon, 27 May 2019 22:28:19 +0200
From:   Samuel Thibault <samuel.thibault@...-lyon.org>
To:     Hariprasad Kelam <hariprasad.kelam@...il.com>
Cc:     William Hubbs <w.d.hubbs@...il.com>,
        Chris Brannon <chris@...-brannons.com>,
        Kirk Reiser <kirk@...sers.ca>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        speakup@...ux-speakup.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers: staging: speakup: serialio: fix warning
 linux/serial.h is included more than once

Hariprasad Kelam, le dim. 26 mai 2019 12:43:22 +0530, a ecrit:
> fix below warning reported by  includecheck
> 
> ./drivers/staging/speakup/serialio.h: linux/serial.h is included more
> than once.
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>

That was indeed the result of f79b0d9c223ca09cefffc72304a7bcbc401a1c6f
("staging: speakup: Fixed warning <linux/serial.h> instead of
<asm/serial.h>") which didn't take care of the inclusion above.
I believe <linux/serial.h> only is fine, the important part is in
drivers/staging/speakup/serialio.c which really needs to include
asm/serial.h to get SERIAL_PORT_DFNS

Reviewed-by: Samuel Thibault <samuel.thibault@...-lyon.org>

> ---
>  drivers/staging/speakup/serialio.h | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/drivers/staging/speakup/serialio.h b/drivers/staging/speakup/serialio.h
> index aa691e4..6f8f86f 100644
> --- a/drivers/staging/speakup/serialio.h
> +++ b/drivers/staging/speakup/serialio.h
> @@ -4,9 +4,6 @@
>  
>  #include <linux/serial.h>	/* for rs_table, serial constants */
>  #include <linux/serial_reg.h>	/* for more serial constants */
> -#ifndef __sparc__
> -#include <linux/serial.h>
> -#endif
>  #include <linux/serial_core.h>
>  
>  #include "spk_priv.h"
> -- 
> 2.7.4
> 

-- 
Samuel
> No manual is ever necessary.
May I politely interject here: BULLSHIT.  That's the biggest Apple lie of all!
(Discussion in comp.os.linux.misc on the intuitiveness of interfaces.)