*@parent: Linux device model parentdevice. * *Returns pointer to created platform device, or NULL if a device wasnot *registered. Unavailable devices will not get registered. */ //分配内存,初始化和注册一个of_device structplatform_device *of_platform_device_create_pdata( structdevice_node *np...
以网卡 Fec 为例,网卡驱动在初始化 fec_probe 时遍历 dts 的定义,创建相应 struct phy_device 类型的设备,主要步骤为: 注册网络设备 net_device 申请队列和 DMA 申请MDIO 总线 创建并注册 Phy 设备 fec_probe(struct platform_device *pdev) ->structdevice_node*np=pdev->dev.of_node, *phy_node;// 获...
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staticstruct amba_device *of_amba_device_create(structdevice_node *node, const char *bus_id, void *platform_data, struct device *parent) { structamba_device *dev; constvoid *prop; inti, ret; pr_debug("Creatingamba device %s\n", node->full_name); if(!of_device_is_available(node)) ...
#defineIFNAMSIZ 32structnet_device {//用于存放网络设备的设备名称;charname[IFNAMSIZ];//网络设备的别名;char*ifalias;//网络设备的接口索引值,独一无二的网络设备标识符;intifindex;//这个字段用于构建网络设备名的哈希散列表,而struct net中的//name_hlist就指向每个哈希散列表的链表头;structhlist_node name...
struct hlist_node index_hlist; //用于将每一个网络设备加入到一个网络命名空间中的网络设备双链表中 struct list_head dev_list; //网络设备接口的标识符,其状态类型被定义在<linux/if.h>之中; unsigned int flags; //网络设备接口的标识符,但对用户空间不可见; ...
*/ struct net_device { //设备名称, 长度16 char name[IFNAMSIZ]; struct netdev_name_node *name_node; //设备别名 struct dev_ifalias __rcu *ifalias; /* * I/O specific fields * FIXME: Merge these and struct ifmap into one */ unsigned long mem_end; unsigned long mem_start; unsigned...
unsigned int policy;int nr_cpus_allowed;constcpumask_t*cpus_ptr;cpumask_t cpus_mask;#ifdefCONFIG_PREEMPT_RCUint rcu_read_lock_nesting;union rcu_special rcu_read_unlock_special;struct list_head rcu_node_entry;struct rcu_node*rcu_blocked_node;#endif/* #ifdef CONFIG_PREEMPT_RCU */#ifdefCONFI...
ofnode node; #else struct eth_device *dev; #endif @@ -182,11 +184,22 @@ void phy_connect_dev(struct phy_device *phydev, struct udevice *dev); struct phy_device *phy_connect(struct mii_dev *bus, int addr, struct udevice *dev, ...
(de-)allocation: mm, files, fs, tty, keyrings, mems_allowed, mempolicy: */ spinlock_t alloc_lock; /* Protection of the PI data structures: */ raw_spinlock_t pi_lock; struct wake_q_node wake_q /* Journalling filesystem info: */ void *journal_info; /* Stacked block device info:...