Re: [PATCH 2/2] Input: cap11xx - add support for cap1203, cap1293 and cap1298

From: Dan Carpenter
Date: Fri Jan 06 2023 - 02:12:20 EST


Hi Jiri,

https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Jiri-Valek-2N/dt-bindings-input-microchip-cap11xx-add-cap1203-cap1293-and-cap1298/20230103-214328
base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link: https://lore.kernel.org/r/20230103134105.736346-3-jiriv%40axis.com
patch subject: [PATCH 2/2] Input: cap11xx - add support for cap1203, cap1293 and cap1298
config: loongarch-randconfig-m031-20230101
compiler: loongarch64-linux-gcc (GCC) 12.1.0

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Reported-by: Dan Carpenter <error27@xxxxxxxxx>

smatch warnings:
drivers/input/keyboard/cap11xx.c:400 cap11xx_i2c_probe() warn: was && intended here instead of ||?

vim +400 drivers/input/keyboard/cap11xx.c

c77fd0a42b24ac Matt Ranostay 2014-10-31 390 if (!of_property_read_u32(node, "microchip,sensor-gain", &gain32)) {
322a552e195508 Jesse Taube 2021-11-02 391 if (cap->no_gain)
322a552e195508 Jesse Taube 2021-11-02 392 dev_warn(dev,
322a552e195508 Jesse Taube 2021-11-02 393 "This version doesn't support sensor gain\n");
322a552e195508 Jesse Taube 2021-11-02 394 else if (is_power_of_2(gain32) && gain32 <= 8)
c77fd0a42b24ac Matt Ranostay 2014-10-31 395 gain = ilog2(gain32);
c77fd0a42b24ac Matt Ranostay 2014-10-31 396 else
c77fd0a42b24ac Matt Ranostay 2014-10-31 397 dev_err(dev, "Invalid sensor-gain value %d\n", gain32);
c77fd0a42b24ac Matt Ranostay 2014-10-31 398 }
c77fd0a42b24ac Matt Ranostay 2014-10-31 399
e3f771deec5bca Jiri Valek - 2N 2023-01-03 @400 if ((id->driver_data != CAP1206) ||
e3f771deec5bca Jiri Valek - 2N 2023-01-03 401 (id->driver_data != CAP1203) ||
e3f771deec5bca Jiri Valek - 2N 2023-01-03 402 (id->driver_data != CAP1293) ||
e3f771deec5bca Jiri Valek - 2N 2023-01-03 403 (id->driver_data != CAP1298)) {

Yep. && isntead of ||. ->driver_data can't be equal to *all* of
those at the same time.

6bdd2fd1ed6f66 Matt Ranostay 2014-10-31 404 if (of_property_read_bool(node, "microchip,irq-active-high")) {
322a552e195508 Jesse Taube 2021-11-02 405 error = regmap_update_bits(priv->regmap,
322a552e195508 Jesse Taube 2021-11-02 406 CAP11XX_REG_CONFIG2,
322a552e195508 Jesse Taube 2021-11-02 407 CAP11XX_REG_CONFIG2_ALT_POL,
322a552e195508 Jesse Taube 2021-11-02 408 0);
6bdd2fd1ed6f66 Matt Ranostay 2014-10-31 409 if (error)
6bdd2fd1ed6f66 Matt Ranostay 2014-10-31 410 return error;
6bdd2fd1ed6f66 Matt Ranostay 2014-10-31 411 }
322a552e195508 Jesse Taube 2021-11-02 412 }
6bdd2fd1ed6f66 Matt Ranostay 2014-10-31 413
c77fd0a42b24ac Matt Ranostay 2014-10-31 414 /* Provide some useful defaults */
7609a5e973c43a Matt Ranostay 2014-10-31 415 for (i = 0; i < cap->num_channels; i++)

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