Openwrt 18.06 kernel version: 4.9.120
Before the Samsung S8 mobile phone upgraded android 9.0, usb tethering worked normally; after the upgrade, usb tethering could not work normally, and the usb0 interface could not be recognized.
I used the latest openwrt source (kernel version 4.14.111) to find that Samsung s8 android 9.0 usb tethering works fine. I compared the usb and net/usb related drivers of the two versions of the kernel and found that the changes were great.
Due to the limitations of the product flash and memory, I don't want to upgrade the kernel version. Is there a kernel patch that can solve this problem?
- Are you able to just temporarily test a snapshot version - to determine if its solved there?
- What device do you have?
I add this patch to linux-4.9.120 and its solved.
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