Re: [PATCH v8 1/4] Input: Add driver for Cypress Generation 5 touchscreen

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Hi Alistair,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on dtor-input/next]
[also build test WARNING on hid/for-next shawnguo/for-next linus/master v5.19 next-20220802]
[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/Alistair-Francis/Add-support-for-the-Cypress-cyttsp5/20220802-210032
base:   https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
config: nios2-randconfig-s031-20220803 (https://download.01.org/0day-ci/archive/20220803/202208031503.3PE5bw9a-lkp@xxxxxxxxx/config)
compiler: nios2-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/9c372983ef0b8eb7ad48c025a156f80943269af7
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Alistair-Francis/Add-support-for-the-Cypress-cyttsp5/20220802-210032
        git checkout 9c372983ef0b8eb7ad48c025a156f80943269af7
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/input/touchscreen/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

sparse warnings: (new ones prefixed by >>)
>> drivers/input/touchscreen/cyttsp5.c:602:36: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __le16 [usertype] hid_desc_register @@     got int @@
   drivers/input/touchscreen/cyttsp5.c:602:36: sparse:     expected restricted __le16 [usertype] hid_desc_register
   drivers/input/touchscreen/cyttsp5.c:602:36: sparse:     got int

vim +602 drivers/input/touchscreen/cyttsp5.c

   597	
   598	static int cyttsp5_get_hid_descriptor(struct cyttsp5 *ts,
   599					      struct cyttsp5_hid_desc *desc)
   600	{
   601		struct device *dev = ts->dev;
 > 602		__le16 hid_desc_register = HID_DESC_REG;
   603		int rc;
   604		u8 cmd[2];
   605	
   606		/* Set HID descriptor register */
   607		memcpy(cmd, &hid_desc_register, sizeof(hid_desc_register));
   608	
   609		rc = cyttsp5_write(ts, HID_DESC_REG, NULL, 0);
   610		if (rc) {
   611			dev_err(dev, "Failed to get HID descriptor, rc=%d\n", rc);
   612			return rc;
   613		}
   614	
   615		rc = wait_for_completion_interruptible_timeout(&ts->cmd_done,
   616							msecs_to_jiffies(CY_HID_GET_HID_DESCRIPTOR_TIMEOUT_MS));
   617		if (rc <= 0) {
   618			dev_err(ts->dev, "HID get descriptor timed out\n");
   619			rc = -ETIMEDOUT;
   620			return rc;
   621		}
   622	
   623		memcpy(desc, ts->response_buf, sizeof(*desc));
   624	
   625		/* Check HID descriptor length and version */
   626		if (le16_to_cpu(desc->hid_desc_len) != sizeof(*desc) ||
   627		    le16_to_cpu(desc->bcd_version) != HID_VERSION) {
   628			dev_err(dev, "Unsupported HID version\n");
   629			return -ENODEV;
   630		}
   631	
   632		return 0;
   633	}
   634	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



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