Re: [PATCH v7 3/3] Input: Add TouchNetix axiom i2c touchscreen driver
From: kernel test robot
Date: Fri Feb 02 2024 - 15:59:23 EST
Hi Kamel,
kernel test robot noticed the following build warnings:
[auto build test WARNING on dtor-input/next]
[also build test WARNING on dtor-input/for-linus robh/for-next krzk-dt/for-next linus/master v6.8-rc2 next-20240202]
[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/Kamel-Bouhara/dt-bindings-vendor-prefixes-Add-TouchNetix-AS/20240131-221925
base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link: https://lore.kernel.org/r/20240131141158.3350344-4-kamel.bouhara%40bootlin.com
patch subject: [PATCH v7 3/3] Input: Add TouchNetix axiom i2c touchscreen driver
config: s390-randconfig-r131-20240201 (https://download.01.org/0day-ci/archive/20240203/202402030433.2vfAa4qt-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project fdac7d0b6f74f919d319b31a0680c77f66732586)
reproduce: (https://download.01.org/0day-ci/archive/20240203/202402030433.2vfAa4qt-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/202402030433.2vfAa4qt-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] preamble @@ got unsigned int @@
drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: expected restricted __le32 [usertype] preamble
drivers/input/touchscreen/touchnetix_axiom.c:181:18: sparse: got unsigned int
>> drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected unsigned int reg @@ got restricted __le32 [usertype] preamble @@
drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: expected unsigned int reg
drivers/input/touchscreen/touchnetix_axiom.c:183:40: sparse: got restricted __le32 [usertype] preamble
vim +181 drivers/input/touchscreen/touchnetix_axiom.c
171
172 static int axiom_read(struct axiom_data *ts, u8 usage, u8 page, void *buf, u16 len)
173 {
174 struct axiom_cmd_header cmd_header;
175 __le32 preamble;
176 int ret;
177
178 cmd_header.target_address = cpu_to_le16(axiom_usage_to_target_address(ts, usage, page, 0));
179 cmd_header.length = cpu_to_le16(len | AXIOM_CMD_HEADER_READ_MASK);
180
> 181 preamble = get_unaligned_le32((u8 *)&cmd_header);
182
> 183 ret = regmap_write(ts->regmap, preamble, 0);
184 if (ret) {
185 dev_err(ts->dev, "failed to write preamble, error %d\n", ret);
186 return ret;
187 }
188
189 ret = regmap_raw_read(ts->regmap, 0, buf, len);
190 if (ret) {
191 dev_err(ts->dev, "failed to read target address %04x, error %d\n",
192 cmd_header.target_address, ret);
193 return ret;
194 }
195
196 /* Wait device's DMA operations */
197 usleep_range(AXIOM_DMA_OPS_DELAY_USEC, AXIOM_DMA_OPS_DELAY_USEC + 50);
198
199 return 0;
200 }
201
--
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