devm_irq_sim

函数名称：q_sim_init - Initialize the interrupt simulator for a managed device.*@dev: Device to initialize the simulator object for.*@sim: The interrupt simulator object to initialize.*@num_irqs: Number of interrupts to allocate

函数原型：int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, unsigned int num_irqs)

返回类型：int

参数：

类型	参数	名称
struct device *	dev
struct irq_sim *	sim
unsigned int	num_irqs

151

dr等于devres_alloc(devm_irq_sim_release, dr的长度, GFP_KERNEL)

152

如果非dr则返回:负ENOMEM

155

rv等于q_sim_init - Initialize the interrupt simulator: allocate a range of* dummy interrupts.*@sim: The interrupt simulator object to initialize.*@num_irqs: Number of interrupts to allocate* On success: return the base of the allocated interrupt range.

156

如果rv小于0则

157

devres_free(dr)

158

返回:rv

161

sim等于sim

162

devres_add(dev, dr)

164

返回:rv

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