I2O_EXEC_SHOW_PRODUC(9) Message-based devices I2O_EXEC_SHOW_PRODUC(9)NAME
i2o_exec_show_product_id - Displays Product ID of controller
ssize_t i2o_exec_show_product_id(struct device * d, struct device_attribute * attr, char * buf);
device of which the Product ID should be displayed
device_attribute to display
buffer into which the Product ID should be printed
Returns number of bytes printed into buffer.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 I2O_EXEC_SHOW_PRODUC(9)
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DEVICE_CREATE_VARGS(9) Device drivers infrastructure DEVICE_CREATE_VARGS(9)NAME
device_create_vargs - creates a device and registers it with sysfs
struct device * device_create_vargs(struct class * class, struct device * parent, dev_t devt, void * drvdata, const char * fmt,
pointer to the struct class that this device should be registered to
pointer to the parent struct device of this new device, if any
the dev_t for the char device to be added
the data to be added to the device for callbacks
string for the device's name
va_list for the device's name
This function can be used by char device classes. A struct device will be created in sysfs, registered to the specified class.
A "dev" file will be created, showing the dev_t for the device, if the dev_t is not 0,0. If a pointer to a parent struct device is passed
in, the newly created struct device will be a child of that device in sysfs. The pointer to the struct device will be returned from the
call. Any further sysfs files that might be required can be created using this pointer.
Returns struct device pointer on success, or ERR_PTR on error.
the struct class passed to this function must have previously been created with a call to class_create.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 DEVICE_CREATE_VARGS(9)
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