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Date:   Thu, 17 Jun 2021 10:55:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Rob Herring <robh+dt@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Cc:     kbuild-all@...ts.01.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-gpio@...r.kernel.org, Prabhakar <prabhakar.csengg@...il.com>,
        Biju Das <biju.das.jz@...renesas.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 3/3] pinctrl: renesas: Add pins/groups/functions for I2C,
 SCIF and USB supported by RZ/G2L SoC

Hi Lad,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on renesas-drivers/renesas-pinctrl]
[also build test WARNING on robh/for-next pinctrl/devel v5.13-rc6 next-20210616]
[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/Lad-Prabhakar/pinctrl-Add-RZ-G2L-pin-and-gpio-driver/20210616-225928
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl
config: parisc-randconfig-s031-20210617 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
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: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/0cc4856c569c78a2855607272bccac66fd3d8e9e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Lad-Prabhakar/pinctrl-Add-RZ-G2L-pin-and-gpio-driver/20210616-225928
        git checkout 0cc4856c569c78a2855607272bccac66fd3d8e9e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=parisc 

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

All warnings (new ones prefixed by >>):

   drivers/pinctrl/renesas/pinctrl-rzg2l.c: In function 'rzg2l_pinctrl_set_mux':
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:115:9: error: implicit declaration of function 'pinmux_generic_get_function'; did you mean 'pinmux_generic_free_functions'? [-Werror=implicit-function-declaration]
     115 |  func = pinmux_generic_get_function(pctldev, func_selector);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |         pinmux_generic_free_functions
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:115:7: warning: assignment to 'struct function_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     115 |  func = pinmux_generic_get_function(pctldev, func_selector);
         |       ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:118:10: error: implicit declaration of function 'pinctrl_generic_get_group' [-Werror=implicit-function-declaration]
     118 |  group = pinctrl_generic_get_group(pctldev, group_selector);
         |          ^~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:118:8: warning: assignment to 'struct group_desc *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     118 |  group = pinctrl_generic_get_group(pctldev, group_selector);
         |        ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:122:14: error: dereferencing pointer to incomplete type 'struct group_desc'
     122 |  pins = group->pins;
         |              ^~
   In file included from include/linux/printk.h:409,
                    from include/linux/kernel.h:17,
                    from include/linux/list.h:9,
                    from include/linux/kobject.h:19,
                    from include/linux/of.h:17,
                    from drivers/pinctrl/renesas/pinctrl-rzg2l.c:8:
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:126:7: error: dereferencing pointer to incomplete type 'struct function_desc'
     126 |   func->name, group->name);
         |       ^~
   include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
     129 |   func(&id, ##__VA_ARGS__);  \
         |               ^~~~~~~~~~~
   include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
     161 |  _dynamic_func_call(fmt,__dynamic_dev_dbg,   \
         |  ^~~~~~~~~~~~~~~~~~
   include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
     123 |  dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
         |  ^~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:125:2: note: in expansion of macro 'dev_dbg'
     125 |  dev_dbg(pctldev->dev, "enable function %s group %s\n",
         |  ^~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c: At top level:
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:135:22: error: 'pinctrl_generic_get_group_count' undeclared here (not in a function)
     135 |  .get_groups_count = pinctrl_generic_get_group_count,
         |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:136:20: error: 'pinctrl_generic_get_group_name' undeclared here (not in a function)
     136 |  .get_group_name = pinctrl_generic_get_group_name,
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:137:20: error: 'pinctrl_generic_get_group_pins' undeclared here (not in a function); did you mean 'pinctrl_get_group_pins'?
     137 |  .get_group_pins = pinctrl_generic_get_group_pins,
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                    pinctrl_get_group_pins
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:143:25: error: 'pinmux_generic_get_function_count' undeclared here (not in a function); did you mean 'pinmux_generic_free_functions'?
     143 |  .get_functions_count = pinmux_generic_get_function_count,
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                         pinmux_generic_free_functions
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:144:23: error: 'pinmux_generic_get_function_name' undeclared here (not in a function); did you mean 'pinmux_generic_free_functions'?
     144 |  .get_function_name = pinmux_generic_get_function_name,
         |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                       pinmux_generic_free_functions
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:145:25: error: 'pinmux_generic_get_function_groups' undeclared here (not in a function); did you mean 'pinmux_generic_free_functions'?
     145 |  .get_function_groups = pinmux_generic_get_function_groups,
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                         pinmux_generic_free_functions
   drivers/pinctrl/renesas/pinctrl-rzg2l.c: In function 'rzg2l_pinctrl_add_groups':
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:155:56: error: invalid use of undefined type 'struct group_desc'
     155 |   const struct group_desc *group = pctrl->psoc->groups + i;
         |                                                        ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:157:9: error: implicit declaration of function 'pinctrl_generic_add_group' [-Werror=implicit-function-declaration]
     157 |   ret = pinctrl_generic_add_group(pctrl->pctrl_dev, group->name,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:157:58: error: dereferencing pointer to incomplete type 'const struct group_desc'
     157 |   ret = pinctrl_generic_add_group(pctrl->pctrl_dev, group->name,
         |                                                          ^~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c: In function 'rzg2l_pinctrl_add_functions':
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:175:57: error: invalid use of undefined type 'struct function_desc'
     175 |   const struct function_desc *func = pctrl->psoc->funcs + i;
         |                                                         ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:177:9: error: implicit declaration of function 'pinmux_generic_add_function'; did you mean 'pinmux_generic_free_functions'? [-Werror=implicit-function-declaration]
     177 |   ret = pinmux_generic_add_function(pctrl->pctrl_dev, func->name,
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |         pinmux_generic_free_functions
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:177:59: error: dereferencing pointer to incomplete type 'const struct function_desc'
     177 |   ret = pinmux_generic_add_function(pctrl->pctrl_dev, func->name,
         |                                                           ^~
   At top level:
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:514:34: warning: 'rzg2l_pinctrl_of_table' defined but not used [-Wunused-const-variable=]
     514 | static const struct of_device_id rzg2l_pinctrl_of_table[] = {
         |                                  ^~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for PINCTRL_RZG2L
   Depends on PINCTRL && OF && (ARCH_R9A07G044 || COMPILE_TEST
   Selected by
   - PINCTRL_PFC_R9A07G044 && PINCTRL


vim +115 drivers/pinctrl/renesas/pinctrl-rzg2l.c

64165286d371f1 Lad Prabhakar 2021-06-16  103  
64165286d371f1 Lad Prabhakar 2021-06-16  104  static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev,
64165286d371f1 Lad Prabhakar 2021-06-16  105  				 unsigned int func_selector,
64165286d371f1 Lad Prabhakar 2021-06-16  106  				 unsigned int group_selector)
64165286d371f1 Lad Prabhakar 2021-06-16  107  {
64165286d371f1 Lad Prabhakar 2021-06-16  108  	struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev);
64165286d371f1 Lad Prabhakar 2021-06-16  109  	struct function_desc *func;
64165286d371f1 Lad Prabhakar 2021-06-16  110  	struct group_desc *group;
64165286d371f1 Lad Prabhakar 2021-06-16  111  	unsigned long data;
64165286d371f1 Lad Prabhakar 2021-06-16  112  	int *pins;
64165286d371f1 Lad Prabhakar 2021-06-16  113  	int i;
64165286d371f1 Lad Prabhakar 2021-06-16  114  
64165286d371f1 Lad Prabhakar 2021-06-16 @115  	func = pinmux_generic_get_function(pctldev, func_selector);
64165286d371f1 Lad Prabhakar 2021-06-16  116  	if (!func)
64165286d371f1 Lad Prabhakar 2021-06-16  117  		return -EINVAL;
64165286d371f1 Lad Prabhakar 2021-06-16 @118  	group = pinctrl_generic_get_group(pctldev, group_selector);
64165286d371f1 Lad Prabhakar 2021-06-16  119  	if (!group)
64165286d371f1 Lad Prabhakar 2021-06-16  120  		return -EINVAL;
64165286d371f1 Lad Prabhakar 2021-06-16  121  
64165286d371f1 Lad Prabhakar 2021-06-16  122  	pins = group->pins;
64165286d371f1 Lad Prabhakar 2021-06-16  123  	data = (unsigned long)group->data;
64165286d371f1 Lad Prabhakar 2021-06-16  124  
64165286d371f1 Lad Prabhakar 2021-06-16  125  	dev_dbg(pctldev->dev, "enable function %s group %s\n",
64165286d371f1 Lad Prabhakar 2021-06-16  126  		func->name, group->name);
64165286d371f1 Lad Prabhakar 2021-06-16  127  
64165286d371f1 Lad Prabhakar 2021-06-16  128  	for (i = 0; i < group->num_pins; i++)
64165286d371f1 Lad Prabhakar 2021-06-16  129  		rzg2l_pinctrl_set_pfc_mode(pctrl, *(pins + i), data);
64165286d371f1 Lad Prabhakar 2021-06-16  130  
64165286d371f1 Lad Prabhakar 2021-06-16  131  	return 0;
64165286d371f1 Lad Prabhakar 2021-06-16  132  };
64165286d371f1 Lad Prabhakar 2021-06-16  133  

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

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