netdev - RE: [PATCH 3/5] net: ethernet: renesas: Add Ethernet Switch driver

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Date:   Mon, 12 Sep 2022 12:41:14 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     kernel test robot <lkp@...el.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "geert+renesas@...der.be" <geert+renesas@...der.be>
CC:     "kbuild-all@...ts.01.org" <kbuild-all@...ts.01.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>
Subject: RE: [PATCH 3/5] net: ethernet: renesas: Add Ethernet Switch driver

Hi kernel test robot,

> From: kernel test robot, Sent: Saturday, September 10, 2022 2:26 AM
> 
> Hi Yoshihiro,
> 
> I love your patch! Perhaps something to improve:
> 
> [auto build test WARNING on next-20220909]
> [also build test WARNING on v6.0-rc4]
> [cannot apply to geert-renesas-devel/next net-next/master net/master linus/master v6.0-rc4 v6.0-rc3 v6.0-rc2]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
<snip>
>         git checkout 9c5c4dd0ca6beb269dd0a6ef12c386198e193c68
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash
> M=drivers/net/ethernet/renesas
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All warnings (new ones prefixed by >>):
> 
> >> drivers/net/ethernet/renesas/rswitch_serdes.c:16:6: warning: no previous prototype for 'rswitch_serdes_write32'
> [-Wmissing-prototypes]
>       16 | void rswitch_serdes_write32(void __iomem *addr, u32 offs,  u32 bank, u32 data)
>          |      ^~~~~~~~~~~~~~~~~~~~~~
> >> drivers/net/ethernet/renesas/rswitch_serdes.c:22:5: warning: no previous prototype for 'rswitch_serdes_read32'
> [-Wmissing-prototypes]
>       22 | u32 rswitch_serdes_read32(void __iomem *addr, u32 offs,  u32 bank)
>          |     ^~~~~~~~~~~~~~~~~~~~~

I'll fix this issue on v2.
- Add "static" to rswitch_serdes_write32().
- Remove rswitch_serdes_read32() because no one calls it.

Best regards,
Yoshihiro Shimoda