How to change SDIO frequency to 25MHz in Android KK 4.4.2?
Have you tried to change the code in the arch/arm/mach-imx/clk-(your device).c file?
base + 0x24, 11, 3);
To change the usdhc_clk_ root.
Please try that and let me know if that works.
Customer can't find this file or function name in Android KK 4.4.2.
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