Re: [PATCH v1 01/17] pinctrl: equilibrium: Convert to use struct pingroup
From: kernel test robot
Date: Wed Nov 22 2023 - 22:12:25 EST
Hi Andy,
kernel test robot noticed the following build warnings:
[auto build test WARNING on linusw-pinctrl/devel]
[also build test WARNING on linusw-pinctrl/for-next geert-renesas-drivers/renesas-pinctrl pinctrl-samsung/for-next linus/master v6.7-rc2 next-20231122]
[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/Andy-Shevchenko/pinctrl-equilibrium-Convert-to-use-struct-pingroup/20231123-005932
base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
patch link: https://lore.kernel.org/r/20231122164040.2262742-2-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 01/17] pinctrl: equilibrium: Convert to use struct pingroup
config: i386-randconfig-001-20231123 (https://download.01.org/0day-ci/archive/20231123/202311230820.MGDyVHJW-lkp@xxxxxxxxx/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231123/202311230820.MGDyVHJW-lkp@xxxxxxxxx/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311230820.MGDyVHJW-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
drivers/pinctrl/pinctrl-equilibrium.c: In function 'eqbr_build_groups':
drivers/pinctrl/pinctrl-equilibrium.c:750:17: error: assignment of read-only location '*(grp->pins + (sizetype)((unsigned int)j * 4))'
750 | grp->pins[j] = pin_id;
| ^
drivers/pinctrl/pinctrl-equilibrium.c:761:23: error: 'struct pingroup' has no member named 'num_pins'; did you mean 'npins'?
761 | grp->pins, grp->num_pins,
| ^~~~~~~~
| npins
>> drivers/pinctrl/pinctrl-equilibrium.c:761:10: warning: passing argument 3 of 'pinctrl_generic_add_group' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
761 | grp->pins, grp->num_pins,
| ~~~^~~~~~
In file included from drivers/pinctrl/pinctrl-equilibrium.c:16:
drivers/pinctrl/core.h:225:15: note: expected 'int *' but argument is of type 'const unsigned int *'
225 | int *gpins, int ngpins, void *data);
| ~~~~~^~~~~
vim +761 drivers/pinctrl/pinctrl-equilibrium.c
702
703 static int eqbr_build_groups(struct eqbr_pinctrl_drv_data *drvdata)
704 {
705 struct device *dev = drvdata->dev;
706 struct device_node *node = dev->of_node;
707 unsigned int *pinmux, pin_id, pinmux_id;
708 struct pingroup group, *grp = &group;
709 struct device_node *np;
710 struct property *prop;
711 int j, err;
712
713 for_each_child_of_node(node, np) {
714 prop = of_find_property(np, "groups", NULL);
715 if (!prop)
716 continue;
717
718 grp->npins = of_property_count_u32_elems(np, "pins");
719 if (grp->npins < 0) {
720 dev_err(dev, "No pins in the group: %s\n", prop->name);
721 of_node_put(np);
722 return -EINVAL;
723 }
724 grp->name = prop->value;
725 grp->pins = devm_kcalloc(dev, grp->npins, sizeof(*grp->pins), GFP_KERNEL);
726 if (!grp->pins) {
727 of_node_put(np);
728 return -ENOMEM;
729 }
730
731 pinmux = devm_kcalloc(dev, grp->npins, sizeof(*pinmux), GFP_KERNEL);
732 if (!pinmux) {
733 of_node_put(np);
734 return -ENOMEM;
735 }
736
737 for (j = 0; j < grp->npins; j++) {
738 if (of_property_read_u32_index(np, "pins", j, &pin_id)) {
739 dev_err(dev, "Group %s: Read intel pins id failed\n",
740 grp->name);
741 of_node_put(np);
742 return -EINVAL;
743 }
744 if (pin_id >= drvdata->pctl_desc.npins) {
745 dev_err(dev, "Group %s: Invalid pin ID, idx: %d, pin %u\n",
746 grp->name, j, pin_id);
747 of_node_put(np);
748 return -EINVAL;
749 }
750 grp->pins[j] = pin_id;
751 if (of_property_read_u32_index(np, "pinmux", j, &pinmux_id)) {
752 dev_err(dev, "Group %s: Read intel pinmux id failed\n",
753 grp->name);
754 of_node_put(np);
755 return -EINVAL;
756 }
757 pinmux[j] = pinmux_id;
758 }
759
760 err = pinctrl_generic_add_group(drvdata->pctl_dev, grp->name,
> 761 grp->pins, grp->num_pins,
762 pinmux);
763 if (err < 0) {
764 dev_err(dev, "Failed to register group %s\n", grp->name);
765 of_node_put(np);
766 return err;
767 }
768 memset(&group, 0, sizeof(group));
769 pinmux = NULL;
770 }
771
772 return 0;
773 }
774
--
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https://github.com/intel/lkp-tests/wiki