Re: [PATCH] mmc: usdhi6rol0: mark expected switch fall-throughs

Gustavo A. R. Silva
2019-05-01T20:29:25Z

Hi Ulf,

Sorry for the late reply, please see my comments below...

On 3/21/19 5:46 AM, Ulf Hansson wrote:
> On Wed, 20 Mar 2019 at 21:02, Gustavo A. R. Silva
> <gustavo@embeddedor.com> wrote:
>>
>> In preparation to enabling -Wimplicit-fallthrough, mark switch
>> cases where we are expecting to fall through.
>>
>> This patch fixes the following warnings:

[..]

>>
>> 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/mmc/host/usdhi6rol0.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c
>> index cd8b1b9d4d8a..b9712ac96be5 100644
>> --- a/drivers/mmc/host/usdhi6rol0.c
>> +++ b/drivers/mmc/host/usdhi6rol0.c
>> @@ -1339,7 +1339,7 @@ static int usdhi6_stop_cmd(struct usdhi6_host *host)
>> host->wait = USDHI6_WAIT_FOR_STOP;
>> return 0;
>> }
>> - /* Unsupported STOP command */
>> + /* fall through - Unsupported STOP command */
>> default:
>> dev_err(mmc_dev(host->mmc),
>> "unsupported stop CMD%d for CMD%d\n",
>> @@ -1688,6 +1688,7 @@ static void usdhi6_timeout_work(struct work_struct *work)
>> default:
>> dev_err(mmc_dev(host->mmc), "Invalid state %u\n", host->wait);
>> /* mrq can be NULL in this actually impossible case */
>> + /* fall through */
>
> Please make this one comment.
>

Sure thing. I can do it, but it will exceed the 80 characters limit.

>> case USDHI6_WAIT_FOR_CMD:
>> usdhi6_error_code(host);
>> if (mrq)
>> @@ -1713,6 +1714,7 @@ static void usdhi6_timeout_work(struct work_struct *work)
>> * If USDHI6_WAIT_FOR_DATA_END times out, we have already unmapped
>> * the page
>> */
>> + /* fall through */
>
> Ditto.
>

The same here.

If you are OK with that I'll send v2, shortly.

Thanks
--
Gustavo