CC: [email protected]
In-Reply-To: <[email protected]>
References: <[email protected]>
TO: Miaoqian Lin <[email protected]>

Hi Miaoqian,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on media-tree/master]
[also build test WARNING on v5.16-rc8 next-20220105]
[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/Miaoqian-Lin/media-st-delta-Fix-PM-disable-depth-imbalance-in-delta_probe/20220105-195600
base:   git://linuxtv.org/media_tree.git master
:::::: branch date: 11 hours ago
:::::: commit date: 11 hours ago
config: mips-randconfig-s032-20220105 
(https://download.01.org/0day-ci/archive/20220106/[email protected]/config)
compiler: mipsel-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
        # 
https://github.com/0day-ci/linux/commit/df377b6adc1cca5963348f9ac16f033e5da299cb
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review 
Miaoqian-Lin/media-st-delta-Fix-PM-disable-depth-imbalance-in-delta_probe/20220105-195600
        git checkout df377b6adc1cca5963348f9ac16f033e5da299cb
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 
CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=mips 
SHELL=/bin/bash drivers/media/platform/sti/delta/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)
   command-line: note: in included file:
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined
   builtin:0:0: sparse: this was the original definition
   builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined
   builtin:0:0: sparse: this was the original definition
>> drivers/media/platform/sti/delta/delta-v4l2.c:1901:1: sparse: sparse: unused 
>> label 'disable_pm_runtime'

vim +/disable_pm_runtime +1901 drivers/media/platform/sti/delta/delta-v4l2.c

f386509e4959459 Hugues Fruchet 2017-02-02  1812  
f386509e4959459 Hugues Fruchet 2017-02-02  1813  static int delta_probe(struct 
platform_device *pdev)
f386509e4959459 Hugues Fruchet 2017-02-02  1814  {
f386509e4959459 Hugues Fruchet 2017-02-02  1815         struct delta_dev *delta;
f386509e4959459 Hugues Fruchet 2017-02-02  1816         struct device *dev = 
&pdev->dev;
f386509e4959459 Hugues Fruchet 2017-02-02  1817         int ret;
f386509e4959459 Hugues Fruchet 2017-02-02  1818  
f386509e4959459 Hugues Fruchet 2017-02-02  1819         delta = 
devm_kzalloc(dev, sizeof(*delta), GFP_KERNEL);
f386509e4959459 Hugues Fruchet 2017-02-02  1820         if (!delta) {
f386509e4959459 Hugues Fruchet 2017-02-02  1821                 ret = -ENOMEM;
f386509e4959459 Hugues Fruchet 2017-02-02  1822                 goto err;
f386509e4959459 Hugues Fruchet 2017-02-02  1823         }
f386509e4959459 Hugues Fruchet 2017-02-02  1824  
f386509e4959459 Hugues Fruchet 2017-02-02  1825         delta->dev = dev;
f386509e4959459 Hugues Fruchet 2017-02-02  1826         delta->pdev = pdev;
f386509e4959459 Hugues Fruchet 2017-02-02  1827         
platform_set_drvdata(pdev, delta);
f386509e4959459 Hugues Fruchet 2017-02-02  1828  
f386509e4959459 Hugues Fruchet 2017-02-02  1829         
mutex_init(&delta->lock);
f386509e4959459 Hugues Fruchet 2017-02-02  1830  
f386509e4959459 Hugues Fruchet 2017-02-02  1831         /* get clock resources 
*/
f386509e4959459 Hugues Fruchet 2017-02-02  1832         delta->clk_delta = 
devm_clk_get(dev, "delta");
f386509e4959459 Hugues Fruchet 2017-02-02  1833         if 
(IS_ERR(delta->clk_delta)) {
f386509e4959459 Hugues Fruchet 2017-02-02  1834                 dev_dbg(dev, 
"%s can't get delta clock\n", DELTA_PREFIX);
f386509e4959459 Hugues Fruchet 2017-02-02  1835                 
delta->clk_delta = NULL;
f386509e4959459 Hugues Fruchet 2017-02-02  1836         }
f386509e4959459 Hugues Fruchet 2017-02-02  1837  
f386509e4959459 Hugues Fruchet 2017-02-02  1838         delta->clk_st231 = 
devm_clk_get(dev, "delta-st231");
f386509e4959459 Hugues Fruchet 2017-02-02  1839         if 
(IS_ERR(delta->clk_st231)) {
f386509e4959459 Hugues Fruchet 2017-02-02  1840                 dev_dbg(dev, 
"%s can't get delta-st231 clock\n", DELTA_PREFIX);
f386509e4959459 Hugues Fruchet 2017-02-02  1841                 
delta->clk_st231 = NULL;
f386509e4959459 Hugues Fruchet 2017-02-02  1842         }
f386509e4959459 Hugues Fruchet 2017-02-02  1843  
f386509e4959459 Hugues Fruchet 2017-02-02  1844         delta->clk_flash_promip 
= devm_clk_get(dev, "delta-flash-promip");
f386509e4959459 Hugues Fruchet 2017-02-02  1845         if 
(IS_ERR(delta->clk_flash_promip)) {
f386509e4959459 Hugues Fruchet 2017-02-02  1846                 dev_dbg(dev, 
"%s can't get delta-flash-promip clock\n",
f386509e4959459 Hugues Fruchet 2017-02-02  1847                         
DELTA_PREFIX);
f386509e4959459 Hugues Fruchet 2017-02-02  1848                 
delta->clk_flash_promip = NULL;
f386509e4959459 Hugues Fruchet 2017-02-02  1849         }
f386509e4959459 Hugues Fruchet 2017-02-02  1850  
f386509e4959459 Hugues Fruchet 2017-02-02  1851         /* init pm_runtime used 
for power management */
f386509e4959459 Hugues Fruchet 2017-02-02  1852         
pm_runtime_set_autosuspend_delay(dev, DELTA_HW_AUTOSUSPEND_DELAY_MS);
f386509e4959459 Hugues Fruchet 2017-02-02  1853         
pm_runtime_use_autosuspend(dev);
f386509e4959459 Hugues Fruchet 2017-02-02  1854         
pm_runtime_set_suspended(dev);
f386509e4959459 Hugues Fruchet 2017-02-02  1855         pm_runtime_enable(dev);
f386509e4959459 Hugues Fruchet 2017-02-02  1856  
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1857         /* init firmware ipc 
channel */
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1858         ret = 
delta_ipc_init(delta);
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1859         if (ret) {
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1860                 
dev_err(delta->dev, "%s failed to initialize firmware ipc channel\n",
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1861                         
DELTA_PREFIX);
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1862                 goto err;
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1863         }
91c83f395fbe7c8 Hugues Fruchet 2017-02-02  1864  
f386509e4959459 Hugues Fruchet 2017-02-02  1865         /* register all 
available decoders */
f386509e4959459 Hugues Fruchet 2017-02-02  1866         
register_decoders(delta);
f386509e4959459 Hugues Fruchet 2017-02-02  1867  
f386509e4959459 Hugues Fruchet 2017-02-02  1868         /* register all 
supported formats */
f386509e4959459 Hugues Fruchet 2017-02-02  1869         register_formats(delta);
f386509e4959459 Hugues Fruchet 2017-02-02  1870  
f386509e4959459 Hugues Fruchet 2017-02-02  1871         /* register on V4L2 */
f386509e4959459 Hugues Fruchet 2017-02-02  1872         ret = 
v4l2_device_register(dev, &delta->v4l2_dev);
f386509e4959459 Hugues Fruchet 2017-02-02  1873         if (ret) {
f386509e4959459 Hugues Fruchet 2017-02-02  1874                 
dev_err(delta->dev, "%s failed to register V4L2 device\n",
f386509e4959459 Hugues Fruchet 2017-02-02  1875                         
DELTA_PREFIX);
f386509e4959459 Hugues Fruchet 2017-02-02  1876                 goto err;
f386509e4959459 Hugues Fruchet 2017-02-02  1877         }
f386509e4959459 Hugues Fruchet 2017-02-02  1878  
f386509e4959459 Hugues Fruchet 2017-02-02  1879         delta->work_queue = 
create_workqueue(DELTA_NAME);
f386509e4959459 Hugues Fruchet 2017-02-02  1880         if (!delta->work_queue) 
{
f386509e4959459 Hugues Fruchet 2017-02-02  1881                 
dev_err(delta->dev, "%s failed to allocate work queue\n",
f386509e4959459 Hugues Fruchet 2017-02-02  1882                         
DELTA_PREFIX);
f386509e4959459 Hugues Fruchet 2017-02-02  1883                 ret = -ENOMEM;
f386509e4959459 Hugues Fruchet 2017-02-02  1884                 goto err_v4l2;
f386509e4959459 Hugues Fruchet 2017-02-02  1885         }
f386509e4959459 Hugues Fruchet 2017-02-02  1886  
f386509e4959459 Hugues Fruchet 2017-02-02  1887         /* register device */
f386509e4959459 Hugues Fruchet 2017-02-02  1888         ret = 
delta_register_device(delta);
f386509e4959459 Hugues Fruchet 2017-02-02  1889         if (ret)
f386509e4959459 Hugues Fruchet 2017-02-02  1890                 goto 
err_work_queue;
f386509e4959459 Hugues Fruchet 2017-02-02  1891  
f386509e4959459 Hugues Fruchet 2017-02-02  1892         dev_info(dev, "%s %s 
registered as /dev/video%d\n",
f386509e4959459 Hugues Fruchet 2017-02-02  1893                  DELTA_PREFIX, 
delta->vdev->name, delta->vdev->num);
f386509e4959459 Hugues Fruchet 2017-02-02  1894  
f386509e4959459 Hugues Fruchet 2017-02-02  1895         return 0;
f386509e4959459 Hugues Fruchet 2017-02-02  1896  
f386509e4959459 Hugues Fruchet 2017-02-02  1897  err_work_queue:
f386509e4959459 Hugues Fruchet 2017-02-02  1898         
destroy_workqueue(delta->work_queue);
f386509e4959459 Hugues Fruchet 2017-02-02  1899  err_v4l2:
f386509e4959459 Hugues Fruchet 2017-02-02  1900         
v4l2_device_unregister(&delta->v4l2_dev);
df377b6adc1cca5 Miaoqian Lin   2022-01-05 @1901  disable_pm_runtime:
df377b6adc1cca5 Miaoqian Lin   2022-01-05  1902         pm_runtime_disable(dev);
f386509e4959459 Hugues Fruchet 2017-02-02  1903  err:
f386509e4959459 Hugues Fruchet 2017-02-02  1904         return ret;
f386509e4959459 Hugues Fruchet 2017-02-02  1905  }
f386509e4959459 Hugues Fruchet 2017-02-02  1906  

---
0-DAY CI Kernel Test Service, Intel Corporation
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