Linux驱动程序和device.h
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我已经直接从制造商那里获得了一些用于某些canbus硬件的Linux驱动程序，但是它们已经过时了（至少对于我的内核而言），这让我不得不自己动手。在经历了一些麻烦之后，我陷入了编译中的一个错误，但这似乎无法动摇。
错误是这样的：
./src/esdcan_pci.c:353:9: error: ‘struct device’ has no member named ‘driver_data’
struct device {
struct device *parent;
struct device_private *p;
struct kobject kobj;
const char *init_name; /* initial name of the device */
struct device_type *type;
struct mutex mutex; /* mutex to synchronize calls to
* its driver.
*/
struct bus_type *bus; /* type of bus device is on */
struct device_driver *driver; /* which driver has allocated this
device */
void *platform_data; /* Platform specific data, device
core doesn\'t touch it */
struct dev_pm_info power;
#ifdef CONFIG_NUMA
int numa_node; /* NUMA node this device is close to */
#endif
u64 *dma_mask; /* dma mask (if dma\'able device) */
u64 coherent_dma_mask;/* Like dma_mask, but for
alloc_coherent mappings as
not all hardware supports
64 bit addresses for consistent
allocations such descriptors. */
struct device_dma_parameters *dma_parms;
struct list_head dma_pools; /* dma pools (if dma\'ble) */
struct dma_coherent_mem *dma_mem; /* internal for coherent mem
override */
/* arch specific additions */
struct dev_archdata archdata;
#ifdef CONFIG_OF
struct device_node *of_node;
#endif
dev_t devt; /* dev_t, creates the sysfs \"dev\" */
spinlock_t devres_lock;
struct list_head devres_head;
struct klist_node knode_class;
struct class *class;
const struct attribute_group **groups; /* optional groups */
void (*release)(struct device *dev);
};
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怪酞撩匹
和，而不是直接操纵成员。您将在ѭ5中找到这些函数的原型，几乎每个设备驱动程序都使用这些调用，因此您可以轻松找到示例。 但是要注意的一件事是，几个子系统（包括PCI）的功能类似于子系统的特定版本：。但是，这些只是函数的包装。