linux-kernel - Re: [PATCH v11 tty-next 1/4] serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250

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Date:   Sun, 5 Feb 2023 08:59:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Kumaravel Thiagarajan <kumaravel.thiagarajan@...rochip.com>,
        linux-kernel@...r.kernel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-serial@...r.kernel.org, gregkh@...uxfoundation.org,
        jirislaby@...nel.org, ilpo.jarvinen@...ux.intel.com,
        macro@...am.me.uk, andriy.shevchenko@...ux.intel.com,
        lukas@...ner.de, cang1@...e.co.uk, matthew.gerlach@...ux.intel.com,
        deller@....de, phil.edworthy@...esas.com, geert+renesas@...der.be,
        marpagan@...hat.com, u.kleine-koenig@...gutronix.de,
        etremblay@...tech-controls.com, wander@...hat.com,
        Tharun Kumar P <tharunkumar.pasumarthi@...rochip.com>
Subject: Re: [PATCH v11 tty-next 1/4] serial: 8250_pci: Add
 serial8250_pci_setup_port definition in 8250_pcilib.c

Hi Kumaravel,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on tty/tty-next tty/tty-linus usb/usb-testing usb/usb-next usb/usb-linus linus/master v6.2-rc6 next-20230203]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Kumaravel-Thiagarajan/serial-8250_pci-Add-serial8250_pci_setup_port-definition-in-8250_pcilib-c/20230204-005851
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
patch link:    https://lore.kernel.org/r/20230204053138.2520105-2-kumaravel.thiagarajan%40microchip.com
patch subject: [PATCH v11 tty-next 1/4] serial: 8250_pci: Add serial8250_pci_setup_port definition in 8250_pcilib.c
config: x86_64-randconfig-a001 (https://download.01.org/0day-ci/archive/20230205/202302050831.9fyXKlIq-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/intel-lab-lkp/linux/commit/cd5f521fabae71343d59d524ad57221e2b7524fe
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kumaravel-Thiagarajan/serial-8250_pci-Add-serial8250_pci_setup_port-definition-in-8250_pcilib-c/20230204-005851
        git checkout cd5f521fabae71343d59d524ad57221e2b7524fe
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/tty/serial/8250/

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/tty/serial/8250/8250_pcilib.c:14:5: warning: no previous prototype for function 'serial8250_pci_setup_port' [-Wmissing-prototypes]
   int serial8250_pci_setup_port(struct pci_dev *dev, struct uart_8250_port *port,
       ^
   drivers/tty/serial/8250/8250_pcilib.c:14:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int serial8250_pci_setup_port(struct pci_dev *dev, struct uart_8250_port *port,
   ^
   static 
   1 warning generated.


vim +/serial8250_pci_setup_port +14 drivers/tty/serial/8250/8250_pcilib.c

    13	
  > 14	int serial8250_pci_setup_port(struct pci_dev *dev, struct uart_8250_port *port,

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests