I use mainline kernel 3.10.102, now I tested two sdio devices but both of them can be recognized but can't work properly, on the same port, SD card works fine. I wonder is there any patch need to applied to mainline kernel?
In our website no such patch. Here you can refer to Running a Mainline Kernel on an i.MX28 EVK Board .
Please try 4.13.2 instead.
There have been some recent patches that improve SD/MMC operation on MX25. Please see the latest 4 patches
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