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Subject: Re: [PATCH] i3c: master: dw-i3c-master: mark expected switch
 fall-through
To:     "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        Vitor Soares <vitor.soares@synopsys.com>,
        Boris Brezillon <bbrezillon@kernel.org>
CC:     <linux-i3c@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        Kees Cook <keescook@chromium.org>
References: <20190211221413.GA21822@embeddedor>
 <87e0a8c9-82f6-3f41-bdb6-162a4c264132@embeddedor.com>
From:   vitor <vitor.soares@synopsys.com>
Message-ID: <0edcc5fb-6b7b-65cf-227d-af510cabc29c@synopsys.com>
Date:   Wed, 27 Feb 2019 10:33:07 +0000
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Hi Gustavo,

Sorry for the delay.

On 27/02/19 03:53, Gustavo A. R. Silva wrote:
> Hi all,
>
> Friendly ping:
>
> Who can ack or review this, please?
>
> Thanks
> --
> Gustavo
>
> On 2/11/19 4:14 PM, Gustavo A. R. Silva wrote:
>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>> cases where we are expecting to fall through.
>>
>> This patch fixes the following warning:
>>
>> drivers/i3c/master/dw-i3c-master.c: In function ‘dw_i3c_master_bus_init’:
>> drivers/i3c/master/dw-i3c-master.c:603:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
>>    if (ret)
>>       ^
>> drivers/i3c/master/dw-i3c-master.c:605:2: note: here
>>   case I3C_BUS_MODE_PURE:
>>   ^~~~
>>
>> Warning level 3 was used: -Wimplicit-fallthrough=3
>>
>> This patch is part of the ongoing efforts to enable
>> -Wimplicit-fallthrough.
>>
>> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
>> ---
>>  drivers/i3c/master/dw-i3c-master.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
>> index bb03079fbade..59279224e07f 100644
>> --- a/drivers/i3c/master/dw-i3c-master.c
>> +++ b/drivers/i3c/master/dw-i3c-master.c
>> @@ -602,6 +602,7 @@ static int dw_i3c_master_bus_init(struct i3c_master_controller *m)
>>  		ret = dw_i2c_clk_cfg(master);
>>  		if (ret)
>>  			return ret;
>> +		/* fall through */
>>  	case I3C_BUS_MODE_PURE:
>>  		ret = dw_i3c_clk_cfg(master);
>>  		if (ret)
>>
Acked-by: Vitor Soares <vitor.soares@synopsys.com>

Best regards,
Vitor Soares