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    SubjectRe: [PATCH 8/8] firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
    Hi Peng,

    kernel test robot noticed the following build warnings:

    [auto build test WARNING on shawnguo/for-next]
    [also build test WARNING on linus/master v6.5-rc2 next-20230721]
    [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/Peng-Fan-OSS/firmware-imx-scu-change-init-level-to-subsys_initcall_sync/20230720-174508
    base: https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git for-next
    patch link: https://lore.kernel.org/r/20230720094128.536388-9-peng.fan%40oss.nxp.com
    patch subject: [PATCH 8/8] firmware: imx: scu-irq: support identifying SCU wakeup source from sysfs
    config: arm64-randconfig-r003-20230720 (https://download.01.org/0day-ci/archive/20230721/202307211455.rru56Ub2-lkp@intel.com/config)
    compiler: aarch64-linux-gcc (GCC) 12.3.0
    reproduce: (https://download.01.org/0day-ci/archive/20230721/202307211455.rru56Ub2-lkp@intel.com/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@intel.com>
    | Closes: https://lore.kernel.org/oe-kbuild-all/202307211455.rru56Ub2-lkp@intel.com/

    All warnings (new ones prefixed by >>):

    drivers/firmware/imx/imx-scu-irq.c: In function 'wakeup_source_show':
    >> drivers/firmware/imx/imx-scu-irq.c:179:16: warning: variable 'size' set but not used [-Wunused-but-set-variable]
    179 | int i, size;
    | ^~~~


    vim +/size +179 drivers/firmware/imx/imx-scu-irq.c

    175
    176 static ssize_t wakeup_source_show(struct kobject *kobj,
    177 struct kobj_attribute *attr, char *buf)
    178 {
    > 179 int i, size;
    180
    181 for (i = 0; i < IMX_SC_IRQ_NUM_GROUP; i++) {
    182 if (!scu_irq_wakeup[i].wakeup_src)
    183 continue;
    184
    185 if (scu_irq_wakeup[i].valid)
    186 size = sprintf(buf, "Wakeup source group = %d, irq = 0x%x\n",
    187 i, scu_irq_wakeup[i].wakeup_src);
    188 else
    189 size = sprintf(buf, "Spurious SCU wakeup, group = %d, irq = 0x%x\n",
    190 i, scu_irq_wakeup[i].wakeup_src);
    191 }
    192
    193 return strlen(buf);
    194 }
    195

    --
    0-DAY CI Kernel Test Service
    https://github.com/intel/lkp-tests/wiki

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