i.MX6 SPI with 24 bit Transfer doesnt work

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i.MX6 SPI with 24 bit Transfer doesnt work

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her
Contributor I

Hi,

we have the Problem that the i.MX6 SPI dev (Kernel Version 3.0.35) works fine with 8,16,32bit transfers, but not for 24bit.

Is there any update for the i.MX6 SPI driver that fixes this problem?

I have found here a very old patch in the internet, IMX SPI - 17-24 bit bug and >32 bit support. but the code of the i.MX6 SPI driver is quite different

Regards Herbert

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alejandrolozan1
NXP Employee
NXP Employee

Hi,

Looking at the code I noticed that the ecspi driver supports only a word size of  [4-16] bit.

Can you share the code you are using?

/Alejandro

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