linux-kernel - drivers/usb/host/ehci-hcd.c:1286: warning: "PLATFORM

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Date:   Thu, 30 Jul 2020 19:56:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: drivers/usb/host/ehci-hcd.c:1286: warning: "PLATFORM_DRIVER"
 redefined

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   83bdc7275e6206f560d247be856bceba3e1ed8f2
commit: 88eaaecc44461f9fb147bf7ee6ccc6d4e9fc23e0 usb: host: Enable compile testing for some of drivers
date:   7 months ago
config: sparc-randconfig-r032-20200730 (attached as .config)
compiler: sparc-linux-gcc (GCC) 9.3.0
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
        git checkout 88eaaecc44461f9fb147bf7ee6ccc6d4e9fc23e0
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc 

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

All warnings (new ones prefixed by >>):

>> drivers/usb/host/ehci-hcd.c:1286: warning: "PLATFORM_DRIVER" redefined
    1286 | #define PLATFORM_DRIVER  ehci_grlib_driver
         | 
   drivers/usb/host/ehci-hcd.c:1261: note: this is the location of the previous definition
    1261 | #define PLATFORM_DRIVER  ehci_hcd_sh_driver
         | 
   In file included from drivers/usb/host/ehci-hcd.c:1260:
   drivers/usb/host/ehci-sh.c:173:31: warning: 'ehci_hcd_sh_driver' defined but not used [-Wunused-variable]
     173 | static struct platform_driver ehci_hcd_sh_driver = {
         |                               ^~~~~~~~~~~~~~~~~~

vim +/PLATFORM_DRIVER +1286 drivers/usb/host/ehci-hcd.c

22ced6874fc47b Anoop         2011-02-24  1283  
9be03929893063 Jan Andersson 2011-05-03  1284  #ifdef CONFIG_SPARC_LEON
9be03929893063 Jan Andersson 2011-05-03  1285  #include "ehci-grlib.c"
9be03929893063 Jan Andersson 2011-05-03 @1286  #define PLATFORM_DRIVER		ehci_grlib_driver
9be03929893063 Jan Andersson 2011-05-03  1287  #endif
9be03929893063 Jan Andersson 2011-05-03  1288  

:::::: The code at line 1286 was first introduced by commit
:::::: 9be0392989306361d4a63a06a8ee281efbead548 USB: EHCI: Add bus glue for GRLIB GRUSBHC controller

:::::: TO: Jan Andersson <jan@...sler.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...e.de>

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

Download attachment ".config.gz" of type "application/gzip" (35250 bytes)