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gpmc ECC BCH support in vailla kernel

toska
Prodigy 20 points

Hello

could someone please explain me why the hardware ECC of the GPMC is not supported in the vanilla kernel ?

In the linux kernel provided by TI there is a definition in gpmc.h which provides support for ECC_BCH4 or ECC_BCH8 code.

I cannot find this feature in the latest vanilla kernel.

 

Thank you very much in advance for any comments !

 

BR

 

  • 0
    TI__Expert 8180 points

    I believe, when you say vanilla kernel, you are referring to kernel.org (Mainline) kernel here, right?

    These patches or features have not submitted to the list yet, certainly due to all known issues.

    I hope you understand the fact that, there will always be some time GAP, the feature gets developed and integrated in PSP release Vs time it takes to get it upstream (vanilla kernel).

    Thanks,

    Vaibhav

  • 0 in reply to Vaibhav Hiremath
    Prodigy 20 points

    Thank you very much for your answer.

    Yes, I meant the kernel from kernel.org or the omap git repository maintained by tony lindgren.

    Could it be possible that advanced ECC won’t be supported by the linux-kernel, because ECC is shifted to the nand in hardware so that there will be no need for host-side ECC in the future ?

    Best Regards,

    toska