linux-kernel - Re: [PATCH 03/19] mfd: tps80031: Fix 'missing break or fall-through comment' warning

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Date:	Tue, 22 Jul 2014 13:33:29 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Lee Jones <lee.jones@...aro.org>, linux-kernel@...r.kernel.org,
	sameo@...ux.intel.com
Subject: Re: [PATCH 03/19] mfd: tps80031: Fix 'missing break or fall-through comment' warning

On Tuesday 22 July 2014 12:11:09 Lee Jones wrote:
> --- a/drivers/mfd/tps80031.c
> +++ b/drivers/mfd/tps80031.c
> @@ -334,6 +334,7 @@ static bool rd_wr_reg_id1(struct device *dev, unsigned int reg)
>         case TPS80031_PREQ1_RES_ASS_A ... TPS80031_PREQ3_RES_ASS_C:
>         case TPS80031_SMPS_OFFSET ... TPS80031_BATDEBOUNCING:
>         case TPS80031_CFG_INPUT_PUPD1 ... TPS80031_CFG_SMPS_PD:
> +               /* Fall through */
>         case TPS80031_BACKUP_REG:
>                 return true;
>         default:

This one seems to make the code look worse: You are only adding the comment
to one case, not all of them, and it was perfectly understandable
before.

Further, there are a couple of other functions following this one that
also don't have that comment.

It seems checkpatch missed all the other cases because they contain '...'
lists, whereas the one above does not. I think it's better left alone.

	Arnd
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