linux-kernel - Re: [PATCH v3 5/6] usb: Iterator for ports

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Date:   Wed, 31 Mar 2021 22:27:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kbuild-all@...ts.01.org, Alan Stern <stern@...land.harvard.edu>,
        Guenter Roeck <linux@...ck-us.net>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/6] usb: Iterator for ports

Hi Heikki,

I love your patch! Yet something to improve:

[auto build test ERROR on peter.chen-usb/for-usb-next]
[also build test ERROR on linus/master v5.12-rc5 next-20210331]
[cannot apply to usb/usb-testing balbi-usb/testing/next]
[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/Heikki-Krogerus/usb-Linking-ports-to-their-Type-C-connectors/20210331-190638
base:   https://git.kernel.org/pub/scm/linux/kernel/git/peter.chen/usb.git for-usb-next
config: sh-allmodconfig (attached as .config)
compiler: sh4-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
        # https://github.com/0day-ci/linux/commit/067cb7efe925811fd52b7b9550578f88a20d2226
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Heikki-Krogerus/usb-Linking-ports-to-their-Type-C-connectors/20210331-190638
        git checkout 067cb7efe925811fd52b7b9550578f88a20d2226
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

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/usb/core/usb.c:439:5: error: redefinition of 'usb_for_each_port'
     439 | int usb_for_each_port(void *data, int (*fn)(struct device *, void *))
         |     ^~~~~~~~~~~~~~~~~
   In file included from drivers/usb/core/usb.c:35:
   include/linux/usb.h:884:19: note: previous definition of 'usb_for_each_port' was here
     884 | static inline int usb_for_each_port(void *data, int (*fn)(struct device *, void *))
         |                   ^~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for SND_ATMEL_SOC_PDC
   Depends on SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && HAS_DMA
   Selected by
   - SND_ATMEL_SOC_SSC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC
   - SND_ATMEL_SOC_SSC_PDC && SOUND && !UML && SND && SND_SOC && SND_ATMEL_SOC && ATMEL_SSC


vim +/usb_for_each_port +439 drivers/usb/core/usb.c

   429	
   430	/**
   431	 * usb_for_each_port - interate over all USB ports in the system
   432	 * @data: data pointer that will be handed to the callback function
   433	 * @fn: callback function to be called for each USB port
   434	 *
   435	 * Iterate over all USB ports and call @fn for each, passing it @data. If it
   436	 * returns anything other than 0, we break the iteration prematurely and return
   437	 * that value.
   438	 */
 > 439	int usb_for_each_port(void *data, int (*fn)(struct device *, void *))
   440	{
   441		struct each_hub_arg arg = {data, fn};
   442	
   443		return usb_for_each_dev(&arg, __each_hub);
   444	}
   445	EXPORT_SYMBOL_GPL(usb_for_each_port);
   446	

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

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