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Subject: Re: [PATCH] mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
To:     Tokunori Ikegami <ikegami.t@gmail.com>,
        'David Woodhouse' <dwmw2@infradead.org>,
        'Brian Norris' <computersforpeace@gmail.com>,
        'Boris Brezillon' <bbrezillon@kernel.org>,
        'Marek Vasut' <marek.vasut@gmail.com>,
        'Richard Weinberger' <richard@nod.at>
Cc:     linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org
References: <20190208180615.GA24601@embeddedor>
 <000001d4c051$9f66deb0$de349c10$@gmail.com>
From:   "Gustavo A. R. Silva" <gustavo@embeddedor.com>
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Message-ID: <807d4551-ec5e-5d99-2087-e72a2dcdf931@embeddedor.com>
Date:   Wed, 20 Mar 2019 15:16:33 -0500
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Hi all,

Friendly ping:

Who can take this?

Thanks
--
Gustavo

On 2/9/19 2:29 AM, Tokunori Ikegami wrote:
> Reviewed-by: Tokunori Ikegami <ikegami.t@gmail.com>
> 
>> -----Original Message-----
>> From: linux-mtd [mailto:linux-mtd-bounces@lists.infradead.org] On Behalf
>> Of Gustavo A. R. Silva
>> Sent: Saturday, February 9, 2019 3:06 AM
>> To: David Woodhouse; Brian Norris; Boris Brezillon; Marek Vasut; Richard
>> Weinberger
>> Cc: linux-mtd@lists.infradead.org; linux-kernel@vger.kernel.org; Gustavo
>> A. R. Silva
>> Subject: [PATCH] mtd: cfi_cmdset_0002: Mark expected switch fall-throughs
>>
>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>> cases where we are expecting to fall through.
>>
>> This patch fixes the following warnings:
>>
>> drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘get_chip’:
>> drivers/mtd/chips/cfi_cmdset_0002.c:870:6: warning: this statement may
>> fall through [-Wimplicit-fallthrough=]
>>    if (mode == FL_READY && chip->oldstate == FL_READY)
>>       ^
>> drivers/mtd/chips/cfi_cmdset_0002.c:873:2: note: here
>>   default:
>>   ^~~~~~~
>> drivers/mtd/chips/cfi_cmdset_0002.c: In function ‘cfi_amdstd_sync’:
>> drivers/mtd/chips/cfi_cmdset_0002.c:2745:16: warning: this statement may
>> fall through [-Wimplicit-fallthrough=]
>>     chip->state = FL_SYNCING;
>>     ~~~~~~~~~~~~^~~~~~~~~~~~
>> drivers/mtd/chips/cfi_cmdset_0002.c:2750:3: note: here
>>    case FL_SYNCING:
>>    ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> This patch is part of the ongoing efforts to enabling
>> -Wimplicit-fallthrough.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
>> ---
>>  drivers/mtd/chips/cfi_cmdset_0002.c | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c
>> b/drivers/mtd/chips/cfi_cmdset_0002.c
>> index 72428b6bfc47..0b0a1874d3bf 100644
>> --- a/drivers/mtd/chips/cfi_cmdset_0002.c
>> +++ b/drivers/mtd/chips/cfi_cmdset_0002.c
>> @@ -869,6 +869,7 @@ static int get_chip(struct map_info *map, struct flchip
>> *chip, unsigned long adr
>>  		/* Only if there's no operation suspended... */
>>  		if (mode == FL_READY && chip->oldstate == FL_READY)
>>  			return 0;
>> +		/* fall through */
>>
>>  	default:
>>  	sleep:
>> @@ -2747,6 +2748,7 @@ static void cfi_amdstd_sync (struct mtd_info *mtd)
>>  			 * as the whole point is that nobody can do anything
>>  			 * with the chip now anyway.
>>  			 */
>> +			/* fall through */
>>  		case FL_SYNCING:
>>  			mutex_unlock(&chip->mutex);
>>  			break;
>> --
>> 2.20.1
>>
>>
>> ______________________________________________________
>> Linux MTD discussion mailing list
>> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>