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SubjectRe: [PATCH v4 1/3] Add support for mv88e6393x family of Marvell.
Hi Pavana,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on linux/master v5.10-rc1 next-20201027]
[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/Pavana-Sharma/Add-support-for-mv88e6393x-family-of-Marvell/20201026-140237
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3650b228f83adda7e5ee532e2b90429c03f7b9ec
config: arm-randconfig-r013-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/0day-ci/linux/commit/6bac8985349e1ceedb3d4e9bba18563fb15613c0
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Pavana-Sharma/Add-support-for-mv88e6393x-family-of-Marvell/20201026-140237
git checkout 6bac8985349e1ceedb3d4e9bba18563fb15613c0
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm

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

All warnings (new ones prefixed by >>):

>> drivers/net/dsa/mv88e6xxx/port.c:29:5: warning: no previous prototype for function 'mv88e6xxx_port_wait_bit' [-Wmissing-prototypes]
int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
^
drivers/net/dsa/mv88e6xxx/port.c:29:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
^
static
drivers/net/dsa/mv88e6xxx/port.c:513:7: error: use of undeclared identifier 'PHY_INTERFACE_MODE_5GBASER'; did you mean 'PHY_INTERFACE_MODE_10GBASER'?
case PHY_INTERFACE_MODE_5GBASER:
^~~~~~~~~~~~~~~~~~~~~~~~~~
PHY_INTERFACE_MODE_10GBASER
include/linux/phy.h:143:2: note: 'PHY_INTERFACE_MODE_10GBASER' declared here
PHY_INTERFACE_MODE_10GBASER,
^
drivers/net/dsa/mv88e6xxx/port.c:516:7: error: duplicate case value 'PHY_INTERFACE_MODE_10GBASER'
case PHY_INTERFACE_MODE_10GBASER:
^
drivers/net/dsa/mv88e6xxx/port.c:513:7: note: previous case defined here
case PHY_INTERFACE_MODE_5GBASER:
^
1 warning and 2 errors generated.

vim +/mv88e6xxx_port_wait_bit +29 drivers/net/dsa/mv88e6xxx/port.c

28
> 29 int mv88e6xxx_port_wait_bit(struct mv88e6xxx_chip *chip, int port, int reg,
30 int bit, int val)
31 {
32 int addr = chip->info->port_base_addr + port;
33 return mv88e6xxx_wait_bit(chip, addr, reg, bit, val);
34 }
35

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