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Date:   Thu, 7 Jul 2022 20:02:07 +0200
From:   "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To:     Robert Hancock <robert.hancock@calian.com>
Cc:     "lkp@intel.com" <lkp@intel.com>,
        "kbuild-all@lists.01.org" <kbuild-all@lists.01.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "andrew@lunn.ch" <andrew@lunn.ch>
Subject: Re: [linux-stable-rc:linux-4.19.y 1539/3265]
 drivers/net/ethernet/xilinx/xilinx_axienet_main.c:283:15: error: implicit
 declaration of function 'read_poll_timeout'
Message-ID: <YscfnyyLd5Oxd/3p@kroah.com>
References: <202207061830.78pJNuwN-lkp@intel.com>
 <701e5ff60f921cb80bbc76e0fe0119b93c9bb431.camel@calian.com>
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On Wed, Jul 06, 2022 at 10:42:48PM +0000, Robert Hancock wrote:
> On Wed, 2022-07-06 at 18:43 +0800, kernel test robot wrote:
> > Hi Robert,
> > 
> > FYI, the error/warning still remains.
> > 
> > tree:??
> > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git__;!!IOGos0k!nK_4HG5DiIjhDaFvtB2c4HTsoQMg8UHEBJDv6stlGIMButbUtJc42wGH5qXaVC5JIkAwZas4Ne1iIw$
> > ? linux-4.19.y
> > head:?? b9f174a70c6f609b6132c3a65883b16d552984b8
> > commit: 8b8ad8a7ac24905937c3975b54c4594b93b66ebb [1539/3265] net:
> > axienet: Wait for PhyRstCmplt after core reset
> > config: microblaze-randconfig-r003-20220704
> > (https://urldefense.com/v3/__https://download.01.org/0day-ci/archive/
> > 20220706/202207061830.78pJNuwN-lkp@intel.com/config__;!!IOGos0k!nK_4H
> > G5DiIjhDaFvtB2c4HTsoQMg8UHEBJDv6stlGIMButbUtJc42wGH5qXaVC5JIkAwZatUAT
> > tDaQ$?)
> > compiler: microblaze-linux-gcc (GCC) 11.3.0
> > reproduce (this is a W=1 build):
> > ??????? wget
> > https://urldefense.com/v3/__https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross__;!!IOGos0k!nK_4HG5DiIjhDaFvtB2c4HTsoQMg8UHEBJDv6stlGIMButbUtJc42wGH5qXaVC5JIkAwZautG4jkgg$
> > ? -O ~/bin/make.cross
> > ??????? chmod +x ~/bin/make.cross
> > ??????? #
> > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=8b8ad8a7ac24905937c3975b54c4594b93b66ebb__;!!IOGos0k!nK_4HG5DiIjhDaFvtB2c4HTsoQMg8UHEBJDv6stlGIMButbUtJc42wGH5qXaVC5JIkAwZas8R9M_sA$
> > ?
> > ??????? git remote add linux-stable-rc
> > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git__;!!IOGos0k!nK_4HG5DiIjhDaFvtB2c4HTsoQMg8UHEBJDv6stlGIMButbUtJc42wGH5qXaVC5JIkAwZas4Ne1iIw$
> > ?
> > ??????? git fetch --no-tags linux-stable-rc linux-4.19.y
> > ??????? git checkout 8b8ad8a7ac24905937c3975b54c4594b93b66ebb
> > ??????? # save the config file
> > ??????? mkdir build_dir && cp config build_dir/.config
> > ??????? COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0
> > make.cross W=1 O=build_dir ARCH=microblaze SHELL=/bin/bash
> > drivers/net/ethernet/xilinx/
> > 
> > If you fix the issue, kindly add following tag where applicable
> > Reported-by: kernel test robot <lkp@intel.com>
> > 
> > All errors (new ones prefixed by >>):
> > 
> > ?? drivers/net/ethernet/xilinx/xilinx_axienet_main.c: In function
> > 'axienet_dma_bd_init':
> > ?? drivers/net/ethernet/xilinx/xilinx_axienet_main.c:283:9: error:
> > 'ret' undeclared (first use in this function); did you mean 'net'?
> > ???? 283 |???????? ret = read_poll_timeout(axienet_ior, value,
> > ???????? |???????? ^~~
> > ???????? |???????? net
> > ?? drivers/net/ethernet/xilinx/xilinx_axienet_main.c:283:9: note:
> > each undeclared identifier is reported only once for each function it
> > appears in
> > > > drivers/net/ethernet/xilinx/xilinx_axienet_main.c:283:15: error:
> > > > implicit declaration of function 'read_poll_timeout' [-
> > > > Werror=implicit-function-declaration]
> > ???? 283 |???????? ret = read_poll_timeout(axienet_ior, value,
> > ???????? |?????????????? ^~~~~~~~~~~~~~~~~
> > ?? drivers/net/ethernet/xilinx/xilinx_axienet_main.c:283:46: error:
> > 'value' undeclared (first use in this function)
> > ???? 283 |???????? ret = read_poll_timeout(axienet_ior, value,
> > ???????? |????????????????????????????????????????????? ^~~~~
> > ?? cc1: some warnings being treated as errors
> > 
> 
> This seems like maybe a bad backport of the listed patch to the 4.19
> stable release?

If so, can you provide a fix for this?

thanks,

greg k-h