Re: [RFC PATCH v7 5/8] ice: implement dpll interface to control cgu

[kernel test robot <lkp@intel.com>]

Hi Vadim,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on v6.3]
[cannot apply to tnguy-next-queue/dev-queue linus/master next-20230427]
[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/Vadim-Fedorenko/dpll-spec-Add-Netlink-spec-in-YAML/20230428-082340
base:   457391b0380335d5e9a5babdec90ac53928b23b4
patch link:    https://lore.kernel.org/r/20230428002009.2948020-6-vadfed%40meta.com
patch subject: [RFC PATCH v7 5/8] ice: implement dpll interface to control cgu
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20230428/202304281647.9vCSasdW-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/08659ac96f7a68ef1966cf8784cfcfbe8cc96370
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Vadim-Fedorenko/dpll-spec-Add-Netlink-spec-in-YAML/20230428-082340
        git checkout 08659ac96f7a68ef1966cf8784cfcfbe8cc96370
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304281647.9vCSasdW-lkp@intel.com/

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/net/ethernet/intel/ice/ice_dpll.c:156:7: warning: variable 'pin_num' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
if (pin == pf->dplls.rclk.pin)
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:162:18: note: uninitialized use occurs here
for (i = 0; i < pin_num; i++)
^~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:156:3: note: remove the 'if' if its condition is always true
if (pin == pf->dplls.rclk.pin)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:144:13: note: initialize the variable 'pin_num' to silence this warning
int pin_num, i;
^
= 0
>> drivers/net/ethernet/intel/ice/ice_dpll.c:419:13: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
} else if (pin_type == ICE_DPLL_PIN_TYPE_OUTPUT) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:423:6: note: uninitialized use occurs here
if (ret)
^~~
drivers/net/ethernet/intel/ice/ice_dpll.c:419:9: note: remove the 'if' if its condition is always true
} else if (pin_type == ICE_DPLL_PIN_TYPE_OUTPUT) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:414:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
drivers/net/ethernet/intel/ice/ice_dpll.c:456:13: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
} else if (pin_type == ICE_DPLL_PIN_TYPE_OUTPUT) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:460:6: note: uninitialized use occurs here
if (ret)
^~~
drivers/net/ethernet/intel/ice/ice_dpll.c:456:9: note: remove the 'if' if its condition is always true
} else if (pin_type == ICE_DPLL_PIN_TYPE_OUTPUT) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:451:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
>> drivers/net/ethernet/intel/ice/ice_dpll.c:486:1: warning: no previous prototype for function 'ice_dpll_pin_state_update' [-Wmissing-prototypes]
ice_dpll_pin_state_update(struct ice_pf *pf, struct ice_dpll_pin *pin,
^
drivers/net/ethernet/intel/ice/ice_dpll.c:485:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int
^
static
drivers/net/ethernet/intel/ice/ice_dpll.c:525:13: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
} else if (pin_type == ICE_DPLL_PIN_TYPE_RCLK_SOURCE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:545:9: note: uninitialized use occurs here
return ret;
^~~
drivers/net/ethernet/intel/ice/ice_dpll.c:525:9: note: remove the 'if' if its condition is always true
} else if (pin_type == ICE_DPLL_PIN_TYPE_RCLK_SOURCE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/ice/ice_dpll.c:489:9: note: initialize the variable 'ret' to silence this warning
int ret;
^
= 0
>> drivers/net/ethernet/intel/ice/ice_dpll.c:1487:45: warning: overlapping comparisons always evaluate to false [-Wtautological-overlap-compare]
if (d->dpll_state == ICE_CGU_STATE_LOCKED &&
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
6 warnings generated.
--
>> ERROR: modpost: "__divdi3" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_is_phy_rclk_present" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_is_cgu_present" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_is_clock_mux_present_e810t" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_get_cgu_rclk_pin_info" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_get_cgu_state" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_cgu_get_pin_name" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_cgu_get_pin_type" [drivers/net/ethernet/intel/ice/ice.ko] undefined!
>> ERROR: modpost: "ice_cgu_get_pin_freq_supp" [drivers/net/ethernet/intel/ice/ice.ko] undefined!

-- 
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https://github.com/intel/lkp-tests