tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpio-descriptors-input-cleanup head: 5a5874a09f57d33e962da7e147cfc10a45ed7aac commit: e1c56cc01b2148c75168dd19fc81daf0e12024d3 [2/5] gpio: pca953x: Name the gpiochip after the I2C address config: x86_64-randconfig-x008-201748 (attached as .config) compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025 reproduce: git checkout e1c56cc01b2148c75168dd19fc81daf0e12024d3 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers//gpio/gpio-pca953x.c: In function 'pca953x_setup_gpio': >> drivers//gpio/gpio-pca953x.c:423:56: warning: format '%s' expects argument of type 'char *', but argument 4 has type 'int' [-Wformat=] chipname = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d-%02x", ~^ %d client->adapter->nr, ~~~~~~~~~~~~~~~~~~~ >> drivers//gpio/gpio-pca953x.c:423:59: warning: format '%d' expects argument of type 'int', but argument 5 has type 'char *' [-Wformat=] chipname = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d-%02x", ~^ %s drivers//gpio/gpio-pca953x.c:425:7: client->name, client->addr); ~~~~~~ vim +423 drivers//gpio/gpio-pca953x.c 415 416 static int pca953x_setup_gpio(struct pca953x_chip *chip, int gpios) 417 { 418 struct i2c_client *client = chip->client; 419 struct gpio_chip *gc; 420 static char *chipname; 421 422 /* Gives a chip name from the chip name and I2C address */ > 423 chipname = devm_kasprintf(&client->dev, GFP_KERNEL, "%s-%d-%02x", 424 client->adapter->nr, 425 client->name, client->addr); 426 if (!chipname) 427 return -ENOMEM; 428 gc = &chip->gpio_chip; 429 430 gc->direction_input = pca953x_gpio_direction_input; 431 gc->direction_output = pca953x_gpio_direction_output; 432 gc->get = pca953x_gpio_get_value; 433 gc->set = pca953x_gpio_set_value; 434 gc->get_direction = pca953x_gpio_get_direction; 435 gc->set_multiple = pca953x_gpio_set_multiple; 436 gc->can_sleep = true; 437 438 gc->base = chip->gpio_start; 439 gc->ngpio = gpios; 440 gc->label = chipname; 441 gc->parent = &chip->client->dev; 442 gc->owner = THIS_MODULE; 443 gc->names = chip->names; 444 445 return 0; 446 } 447 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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