netdev - Re: [PATCH net-next 3/5] net: ipa: have gsi_channel

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Date:   Thu, 21 Jan 2021 05:34:42 -0600
From:   Alex Elder <elder@...aro.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, elder@...nel.org, evgreen@...omium.org,
        bjorn.andersson@...aro.org, cpratapa@...eaurora.org,
        subashab@...eaurora.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 3/5] net: ipa: have gsi_channel_update() return a
 value

On 1/20/21 11:35 PM, Jakub Kicinski wrote:
> On Wed, 20 Jan 2021 16:03:59 -0600 Alex Elder wrote:
>> Have gsi_channel_update() return the first transaction in the
>> updated completed transaction list, or NULL if no new transactions
>> have been added.
>>
>> Signed-off-by: Alex Elder <elder@...aro.org>
> 
>> @@ -1452,7 +1452,7 @@ void gsi_channel_doorbell(struct gsi_channel *channel)
>>   }
>>   
>>   /* Consult hardware, move any newly completed transactions to completed list */
>> -static void gsi_channel_update(struct gsi_channel *channel)
>> +struct gsi_trans *gsi_channel_update(struct gsi_channel *channel)
> 
> Why did it lose the 'static'?

It should not have.

My aarch64 build environment did not flag that, but I now built
for x86 and it does.  I guess I should make a habit of checking
with that, though it's a bit time-consuming.

I'll send v2 out shortly.  Thank you.

					-Alex

> drivers/net/ipa/gsi.c:1455:19: warning: no previous prototype for ‘gsi_channel_update’ [-Wmissing-prototypes]
>   1455 | struct gsi_trans *gsi_channel_update(struct gsi_channel *channel)
>        |                   ^~~~~~~~~~~~~~~~~~
>