platform_driver_probe()

最新推荐文章于 2024-05-23 20:00:40 发布

engerled

最新推荐文章于 2024-05-23 20:00:40 发布

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文章标签： structure struct module

本文介绍platform_driver_probe函数，用于注册不可热插拔设备的驱动，并在驱动绑定到设备后移除其一次性探测基础设施。适用于系统级芯片控制器等场景。

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platform_driver_probe — register driver for non-hotpluggable device

Synopsis

`int __init_or_module platform_driver_probe (`	struct platform_driver *	`drv` ,
	int (*	`probe` `(` struct platform_device *`)` `)` ;

Arguments

drv

platform driver structure

probe

the driver probe routine, probably from an __init section

Description

Use this instead of platform_driver_register when you know the device is not hotpluggable and has already been registered, and you want to remove its run-once probe infrastructure from memory after the driver has bound to the device.

One typical use for this would be with drivers for controllers integrated into system-on-chip processors, where the controller devices have been configured as part of board setup.

Returns zero if the driver registered and bound to a device, else returns a negative error code and with the driver not registered.