Subject: Re: linux-next: build failure after merge of the i2c tree

From: Shawn Guo <[email-masked]>
Date: Mon, 26 Jun 2017 10:04:50 +0800

Hi Stephen,

On Mon, Jun 26, 2017 at 11:09:07AM +1000, Stephen Rothwell wrote:
> Hi Wolfram,
> 
> After merging the i2c tree, today's linux-next build (x86_64 allmodconfig)
> failed like this:
> 
> drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_writesb':
> drivers/i2c/busses/i2c-zx2967.c:87:2: error: implicit declaration of function 'writesb' [-Werror=implicit-function-declaration]
>   writesb(i2c->reg_base + reg, data, len);
>   ^
> drivers/i2c/busses/i2c-zx2967.c: In function 'zx2967_i2c_readsb':
> drivers/i2c/busses/i2c-zx2967.c:93:2: error: implicit declaration of function 'readsb' [-Werror=implicit-function-declaration]
>   readsb(i2c->reg_base + reg, data, len);
>   ^
> 
> Caused by commit
> 
>   9615a01f71ca ("i2c: zx2967: add i2c controller driver for ZTE's zx2967 family")
> 
> Forgotten some include file, presumably.  And COMPILE_TEST may have
> been a bit hopeful :-)

Thanks for reporting it.  I have sent a fix [1] for it yesterday, which
hopefully will be applied soon.

Shawn

[1] https://patchwork.ozlabs.org/patch/780357/