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SubjectRe: [PATCH v2 5/6] bnxt_en: Use auxiliary bus calls over proprietary calls
Hi Ajit,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.1-rc2 next-20221025]
[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/Ajit-Khaparde/bnxt_en-Add-auxiliary-driver-support/20221026-023141
patch link: https://lore.kernel.org/r/20221025173110.33192-6-ajit.khaparde%40broadcom.com
patch subject: [PATCH v2 5/6] bnxt_en: Use auxiliary bus calls over proprietary calls
config: x86_64-randconfig-a003-20221024 (attached as .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/f04080c956abfeabf32961081d0401a800163d99
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Ajit-Khaparde/bnxt_en-Add-auxiliary-driver-support/20221026-023141
git checkout f04080c956abfeabf32961081d0401a800163d99
# 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 SHELL=/bin/bash drivers/infiniband/hw/bnxt_re/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/infiniband/hw/bnxt_re/main.c:1585:5: warning: no previous prototype for function 'bnxt_re_suspend' [-Wmissing-prototypes]
int bnxt_re_suspend(struct auxiliary_device *adev, pm_message_t state)
^
drivers/infiniband/hw/bnxt_re/main.c:1585:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int bnxt_re_suspend(struct auxiliary_device *adev, pm_message_t state)
^
static
>> drivers/infiniband/hw/bnxt_re/main.c:1623:5: warning: no previous prototype for function 'bnxt_re_resume' [-Wmissing-prototypes]
int bnxt_re_resume(struct auxiliary_device *adev)
^
drivers/infiniband/hw/bnxt_re/main.c:1623:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int bnxt_re_resume(struct auxiliary_device *adev)
^
static
2 warnings generated.


vim +/bnxt_re_suspend +1585 drivers/infiniband/hw/bnxt_re/main.c

1584
> 1585 int bnxt_re_suspend(struct auxiliary_device *adev, pm_message_t state)
1586 {
1587 struct bnxt_re_dev *rdev = auxiliary_get_drvdata(adev);
1588 struct bnxt *bp;
1589
1590 if (!rdev)
1591 return 0;
1592
1593 mutex_lock(&bnxt_re_mutex);
1594 /* L2 driver may invoke this callback during device error/crash or device
1595 * reset. Current RoCE driver doesn't recover the device in case of
1596 * error. Handle the error by dispatching fatal events to all qps
1597 * ie. by calling bnxt_re_dev_stop and release the MSIx vectors as
1598 * L2 driver want to modify the MSIx table.
1599 */
1600 bp = netdev_priv(rdev->netdev);
1601
1602 ibdev_info(&rdev->ibdev, "Handle device suspend call");
1603 /* Check the current device state from L2 structure and move the
1604 * device to detached state if FW_FATAL_COND is set.
1605 * This prevents more commands to HW during clean-up,
1606 * in case the device is already in error.
1607 */
1608 if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state))
1609 set_bit(ERR_DEVICE_DETACHED, &rdev->rcfw.cmdq.flags);
1610
1611 bnxt_re_dev_stop(rdev);
1612 bnxt_re_stop_irq(rdev);
1613 /* Move the device states to detached and avoid sending any more
1614 * commands to HW
1615 */
1616 set_bit(BNXT_RE_FLAG_ERR_DEVICE_DETACHED, &rdev->flags);
1617 set_bit(ERR_DEVICE_DETACHED, &rdev->rcfw.cmdq.flags);
1618 mutex_unlock(&bnxt_re_mutex);
1619
1620 return 0;
1621 }
1622
> 1623 int bnxt_re_resume(struct auxiliary_device *adev)
1624 {
1625 struct bnxt_re_dev *rdev = auxiliary_get_drvdata(adev);
1626
1627 if (!rdev)
1628 return 0;
1629
1630 mutex_lock(&bnxt_re_mutex);
1631 /* L2 driver may invoke this callback during device recovery, resume.
1632 * reset. Current RoCE driver doesn't recover the device in case of
1633 * error. Handle the error by dispatching fatal events to all qps
1634 * ie. by calling bnxt_re_dev_stop and release the MSIx vectors as
1635 * L2 driver want to modify the MSIx table.
1636 */
1637
1638 ibdev_info(&rdev->ibdev, "Handle device resume call");
1639 mutex_unlock(&bnxt_re_mutex);
1640
1641 return 0;
1642 }
1643

--
0-DAY CI Kernel Test Service
https://01.org/lkp
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