linux-kernel - Re: [PATCH v3 2/2] Adding i2c-cp2615: i2c support for Silicon Labs' CP2615 Digital Audio Bridge

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Date:   Wed, 31 Mar 2021 22:55:13 +0200
From:   Wolfram Sang <wsa@...nel.org>
To:     Bence Csókás <bence98@....bme.hu>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/2] Adding i2c-cp2615: i2c support for Silicon Labs'
 CP2615 Digital Audio Bridge


> > drivers/i2c/busses/i2c-cp2615.c:78:5: warning: symbol 'cp2615_init_iop_msg' was not declared. Should it be static?
> > drivers/i2c/busses/i2c-cp2615.c:96:5: warning: symbol 'cp2615_init_i2c_msg' was not declared. Should it be static?
> > drivers/i2c/busses/i2c-cp2615.c:102:5: warning: symbol 'cp2615_check_status' was not declared. Should it be static?
> I can forward declare these (copying from the header I used in v1 of
> the patch), but I'm not sure I understand the rationale behind these
> warnings...

Just make them static and all is good.

> > drivers/i2c/busses/i2c-cp2615.c:212:27: warning: symbol 'cp2615_i2c_quirks' was not declared. Should it be static?
> Especially this. I think I will make this static instead, since it
> won't ever be exported to any other module.

Exactly.

> > The missing 'static' are what buildbot also reported and are correct.
> The lkp bot complained about MODULE_DEVICE_TABLE and MODULE_AUTHOR,
> which, again, I don't see what is wrong with it.

Yeah, that may be a false positive.

> I will now send an updated patch, with  few additions too.

Cool, thanks!


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