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I.MX6 HS200 support

Question asked by Sebastien Baudouin on Nov 7, 2014
Latest reply on Nov 11, 2014 by Sebastien Baudouin

Hi,

 

i'm using iMx6 Quad core, a Linux 3.035 and i would like to configure my eMMC in HS200 mode.

I back-ported HS200 patch (linux-2.6-imx.git - Freescale i.MX Linux Tree) but i had to adapt it (as my linux is 3.035)

 

When running the code i get an error -EBADMSG coming from mmc_switch when having call:

mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING, 2, 0)

 

DO you have idea on why this message is not recognized ? Am i missing another patch to back-port ?

 

Thanks for your help

 

Br


Seb

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