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mwifiex_sdio_sd8997 and sdiouart8997 firmware

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Hi there

I have a question concerning firmware loading for mwifiex_sdio_sd8997. So far the driver hard-codes loading
mrvl/sdsd8997_combo_v4.bin. However, our latest hardware has the SD8997 strapped for sdiouart aka Wi-Fi using
SDIO and Bluetooth using serial UART. Therefore, it also requires a different firmware
sdiouart8997_combo_v4.bin [1] instead. While I successfully tested everything on top of latest -next by
manually re-naming that firmware file I was wondering how exactly this is supposed to work with mwifiex. 

Wouldn't it be possible to detect the strapping and automatically load the correct firmware?

Or how exactly could this be made to work?

Any suggestions are greatly appreciated. Thanks!

[1] https://github.com/NXP/imx-firmware/blob/lf-5.10.52_2.1.0/nxp/FwImage_8997_SD/sdiouart8997_combo_v4.bin

Cheers

Marcel




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