[drivers][serial]fix error in getting serial_tty settings #8953
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拉取/合并请求描述:(PR description)
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为什么提交这份PR (why to submit this PR)
原先获取串口tty配置时,会将传入的termios结构体清空,然后重新设置,但这会使原先的一些termios配置均删去。
你的解决方案是什么 (what is your solution)
硬件层只用来获取波特率等配置
请提供验证的bsp和config (provide the config and bsp)
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当前拉取/合并请求的状态 Intent for your PR
必须选择一项 Choose one (Mandatory):
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:
#if 0
代码,不包含已经被注释了的代码 All redundant code is removed and cleaned up