linux-kernel - Re: [PATCH v2 2/2] net: ethernet: Add driver for Sunplus SP7021

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Date:   Sat, 13 Nov 2021 01:42:21 +0800
From:   kernel test robot <lkp@...el.com>
To:     Wells Lu <wellslutw@...il.com>, davem@...emloft.net,
        kuba@...nel.org, robh+dt@...nel.org, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        p.zabel@...gutronix.de
Cc:     kbuild-all@...ts.01.org, vincent.shih@...plus.com,
        Wells Lu <wells.lu@...plus.com>
Subject: Re: [PATCH v2 2/2] net: ethernet: Add driver for Sunplus SP7021

Hi Wells,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[also build test ERROR on net/master robh/for-next linus/master v5.15 next-20211112]
[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
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Wells-Lu/devicetree-bindings-net-Add-bindings-doc-for-Sunplus-SP7021/20211111-180647
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git cc0356d6a02e064387c16a83cb96fe43ef33181e
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/67fef21f20f9dd81655eb490c5fa41c075f4af3d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Wells-Lu/devicetree-bindings-net-Add-bindings-doc-for-Sunplus-SP7021/20211111-180647
        git checkout 67fef21f20f9dd81655eb490c5fa41c075f4af3d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/sunplus/sp_driver.c:200:7: error: no previous prototype for 'sp7021_otp_read_mac' [-Werror=missing-prototypes]
     200 | char *sp7021_otp_read_mac(struct device *dev, ssize_t *len, char *name)
         |       ^~~~~~~~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +/sp7021_otp_read_mac +200 drivers/net/ethernet/sunplus/sp_driver.c

   199	
 > 200	char *sp7021_otp_read_mac(struct device *dev, ssize_t *len, char *name)
   201	{
   202		char *ret = NULL;
   203		struct nvmem_cell *cell = nvmem_cell_get(dev, name);
   204	
   205		if (IS_ERR_OR_NULL(cell)) {
   206			dev_err(dev, "OTP %s read failure: %ld", name, PTR_ERR(cell));
   207			return NULL;
   208		}
   209	
   210		ret = nvmem_cell_read(cell, len);
   211		nvmem_cell_put(cell);
   212		dev_dbg(dev, "%zd bytes are read from OTP %s.", *len, name);
   213	
   214		return ret;
   215	}
   216	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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