[drivers][ofw] fix ofw_alias_scan() bug by liYony · Pull Request #8908 · RT-Thread/rt-thread

拉取/合并请求描述:(PR description)

[

为什么提交这份PR (why to submit this PR)

处理设备树中aliases节点对于id的解析逻辑存在问题。

假设存在如下设备树aliases节点:

aliases {
    serial123 = &pl011;
    serial12  = &pl011;
    serial1 = &pl011;
    serial = &pl011;
};

对应的id解析出来应该是123、12、1、0.

目前代码的解析结果:

image

修改代码后的解析结果:

image

你的解决方案是什么 (what is your solution)

请提供验证的bsp和config (provide the config and bsp)

  • BSP:

qemu-virt64-aarch64

  • .config:

  • action:

]

当前拉取/合并请求的状态 Intent for your PR

必须选择一项 Choose one (Mandatory):

  • 本拉取/合并请求是一个草稿版本 This PR is for a code-review and is intended to get feedback
  • 本拉取/合并请求是一个成熟版本 This PR is mature, and ready to be integrated into the repo

代码质量 Code Quality:

我在这个拉取/合并请求中已经考虑了 As part of this pull request, I've considered the following:

  • 已经仔细查看过代码改动的对比 Already check the difference between PR and old code
  • 代码风格正确,包括缩进空格,命名及其他风格 Style guide is adhered to, including spacing, naming and other styles
  • 没有垃圾代码,代码尽量精简,不包含#if 0代码,不包含已经被注释了的代码 All redundant code is removed and cleaned up
  • 所有变更均有原因及合理的,并且不会影响到其他软件组件代码或BSP All modifications are justified and not affect other components or BSP
  • 对难懂代码均提供对应的注释 I've commented appropriately where code is tricky
  • 代码是高质量的 Code in this PR is of high quality
  • 已经使用formatting 等源码格式化工具确保格式符合RT-Thread代码规范 This PR complies with RT-Thread code specification