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SubjectRe: [PATCH v2 2/3] extcon: usbc-tusb320: Add support for TUSB320L
Hi Yassine,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on chanwoo-extcon/extcon-next]
[also build test WARNING on v5.14-rc3 next-20210726]
[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/Yassine-Oudjana/extcon-usbc-tusb320-Initial-TUSB320L-support/20210727-175921
base: https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon.git extcon-next
config: riscv-randconfig-r035-20210727 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c658b472f3e61e1818e1909bf02f3d65470018a5)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/db60f91ecc2dfa9cc22c6c6c5bfa89665b48cd2d
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Yassine-Oudjana/extcon-usbc-tusb320-Initial-TUSB320L-support/20210727-175921
git checkout db60f91ecc2dfa9cc22c6c6c5bfa89665b48cd2d
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/extcon/extcon-usbc-tusb320.c:244:15: warning: cast to smaller integer type 'enum tusb320_type' from 'const void *' [-Wvoid-pointer-to-enum-cast]
priv->type = (enum tusb320_type)match_data;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.


vim +244 drivers/extcon/extcon-usbc-tusb320.c

218
219 static int tusb320_extcon_probe(struct i2c_client *client,
220 const struct i2c_device_id *id)
221 {
222 struct tusb320_priv *priv;
223 const void *match_data;
224 unsigned int revision;
225 int ret;
226
227 priv = devm_kzalloc(&client->dev, sizeof(*priv), GFP_KERNEL);
228 if (!priv)
229 return -ENOMEM;
230 priv->dev = &client->dev;
231
232 priv->regmap = devm_regmap_init_i2c(client, &tusb320_regmap_config);
233 if (IS_ERR(priv->regmap))
234 return PTR_ERR(priv->regmap);
235
236 ret = tusb320_check_signature(priv);
237 if (ret)
238 return ret;
239
240 match_data = device_get_match_data(&client->dev);
241 if (!match_data)
242 return -EINVAL;
243
> 244 priv->type = (enum tusb320_type)match_data;
245
246 priv->edev = devm_extcon_dev_allocate(priv->dev, tusb320_extcon_cable);
247 if (IS_ERR(priv->edev)) {
248 dev_err(priv->dev, "failed to allocate extcon device\n");
249 return PTR_ERR(priv->edev);
250 }
251
252 if(priv->type == TYPE_TUSB320L) {
253 ret = regmap_read(priv->regmap, TUSB320L_REGA0_REVISION, &revision);
254
255 if(ret)
256 dev_warn(priv->dev,
257 "failed to read revision register: %d\n", ret);
258 else
259 dev_info(priv->dev, "chip revision %d\n", revision);
260 }
261
262 ret = devm_extcon_dev_register(priv->dev, priv->edev);
263 if (ret < 0) {
264 dev_err(priv->dev, "failed to register extcon device\n");
265 return ret;
266 }
267
268 /* Reset chip to its default state */
269 ret = tusb320_reset(priv);
270 if(ret)
271 dev_warn(priv->dev, "failed to reset chip: %d\n", ret);
272
273 extcon_set_property_capability(priv->edev, EXTCON_USB,
274 EXTCON_PROP_USB_TYPEC_POLARITY);
275 extcon_set_property_capability(priv->edev, EXTCON_USB_HOST,
276 EXTCON_PROP_USB_TYPEC_POLARITY);
277
278 /* update initial state */
279 tusb320_irq_handler(client->irq, priv);
280
281 ret = devm_request_threaded_irq(priv->dev, client->irq, NULL,
282 tusb320_irq_handler,
283 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
284 client->name, priv);
285
286 return ret;
287 }
288

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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