linux-kernel - Re: [PATCH v2 1/2] usb: typec: tcpm: add interface for passing supported_pd_rev from tcpc

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Date:   Wed, 9 Feb 2022 14:53:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Potin Lai <potin.lai@...ntatw.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kbuild-all@...ts.01.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, Patrick Williams <patrick@...cx.xyz>,
        Potin Lai <potin.lai@...ntatw.com>
Subject: Re: [PATCH v2 1/2] usb: typec: tcpm: add interface for passing
 supported_pd_rev from tcpc_dev

Hi Potin,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on v5.17-rc3 next-20220208]
[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/Potin-Lai/usb-typec-tcpm-add-interface-for-passing-supported_pd_rev-from-tcpc_dev/20220208-202246
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: arm64-randconfig-s031-20220208 (https://download.01.org/0day-ci/archive/20220209/202202091453.L5BVOjcx-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/322696594704fa918e63d1c80fa6d346a02e9a28
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Potin-Lai/usb-typec-tcpm-add-interface-for-passing-supported_pd_rev-from-tcpc_dev/20220208-202246
        git checkout 322696594704fa918e63d1c80fa6d346a02e9a28
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/usb/typec/tcpm/

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


sparse warnings: (new ones prefixed by >>)
>> drivers/usb/typec/tcpm/tcpm.c:581:16: sparse: sparse: incompatible types in comparison expression (different signedness):
>> drivers/usb/typec/tcpm/tcpm.c:581:16: sparse:    unsigned int *
>> drivers/usb/typec/tcpm/tcpm.c:581:16: sparse:    int *

vim +581 drivers/usb/typec/tcpm/tcpm.c

   573	
   574	static u32 tcpm_pd_supported_rev(struct tcpm_port *port)
   575	{
   576		u32 rev = PD_MAX_REV;
   577	
   578		if (port->tcpc->supported_pd_rev)
   579			rev = port->tcpc->supported_pd_rev(port->tcpc);
   580	
 > 581		return min(rev, PD_MAX_REV);
   582	}
   583	

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