tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git gpio-descriptors-fwnode-children head: 6dbbf4ea6a14737e6174cffadef8427c33204b11 commit: 6dbbf4ea6a14737e6174cffadef8427c33204b11 [39/39] slask config: x86_64-randconfig-x019-201835 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 6dbbf4ea6a14737e6174cffadef8427c33204b11 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/gpio/gpiolib.c: In function 'fwnode_get_named_gpiod': >> drivers/gpio/gpiolib.c:4052:27: error: 'con_id' undeclared (first use in this function); did you mean 'cad_pid'? desc = gpiod_find(NULL, con_id, idx, &lookupflags); ^~~~~~ cad_pid drivers/gpio/gpiolib.c:4052:27: note: each undeclared identifier is reported only once for each function it appears in >> drivers/gpio/gpiolib.c:4052:35: error: 'idx' undeclared (first use in this function); did you mean 'ida'? desc = gpiod_find(NULL, con_id, idx, &lookupflags); ^~~ ida vim +4052 drivers/gpio/gpiolib.c 3995 3996 /** 3997 * fwnode_get_named_gpiod - obtain a GPIO from firmware node 3998 * @fwnode: handle of the firmware node 3999 * @propname: name of the firmware property representing the GPIO 4000 * @index: index of the GPIO to obtain for the consumer 4001 * @dflags: GPIO initialization flags 4002 * @label: label to attach to the requested GPIO 4003 * 4004 * This function can be used for drivers that get their configuration 4005 * from opaque firmware. 4006 * 4007 * The function properly finds the corresponding GPIO using whatever is the 4008 * underlying firmware interface and then makes sure that the GPIO 4009 * descriptor is requested before it is returned to the caller. 4010 * 4011 * Returns: 4012 * On successful request the GPIO pin is configured in accordance with 4013 * provided @dflags. 4014 * 4015 * In case of error an ERR_PTR() is returned. 4016 */ 4017 struct gpio_desc *fwnode_get_named_gpiod(struct fwnode_handle *fwnode, 4018 const char *propname, int index, 4019 enum gpiod_flags dflags, 4020 const char *label) 4021 { 4022 struct gpio_desc *desc = ERR_PTR(-ENODEV); 4023 unsigned long lflags = 0; 4024 int ret; 4025 4026 if (!fwnode) 4027 return ERR_PTR(-EINVAL); 4028 4029 if (is_of_node(fwnode)) { 4030 desc = gpiod_get_from_of_node(to_of_node(fwnode), 4031 propname, index, 4032 dflags, 4033 label); 4034 return desc; 4035 } else if (is_acpi_node(fwnode)) { 4036 struct acpi_gpio_info info; 4037 4038 desc = acpi_node_get_gpiod(fwnode, propname, index, &info); 4039 4040 if (IS_ERR(desc)) 4041 return desc; 4042 4043 acpi_gpio_update_gpiod_flags(&dflags, &info); 4044 4045 if (info.polarity == GPIO_ACTIVE_LOW) 4046 lflags |= GPIO_ACTIVE_LOW; 4047 4048 } else { 4049 /* This is with static definitions in a board file */ 4050 enum gpio_lookup_flags lookupflags = 0; 4051 > 4052 desc = gpiod_find(NULL, con_id, idx, &lookupflags); 4053 if (!IS_ERR(desc)) { 4054 } 4055 } 4056 4057 /* Currently only ACPI takes this path */ 4058 ret = gpiod_request(desc, label); 4059 if (ret) 4060 return ERR_PTR(ret); 4061 4062 ret = gpiod_configure_flags(desc, propname, lflags, dflags); 4063 if (ret < 0) { 4064 gpiod_put(desc); 4065 return ERR_PTR(ret); 4066 } 4067 4068 return desc; 4069 } 4070 EXPORT_SYMBOL_GPL(fwnode_get_named_gpiod); 4071 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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