Re: Query| USE of MTD_CFI_ADV_OPTIONS for SPI-NOR/serial-NOR flash for BE-kernel on arm64

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

Hi Ashish,

On Tue, 4 Sep 2018 11:21:11 +0000
Ashish Kumar <ashish.kumar@xxxxxxx> wrote:

> Hi all,
> 
> I may sound very naïve, but I do not have other options to look for.
> What I was trying to achieve was "running BE-kernel on arm64, with the SPI-NOR controller(fsl_qspi) configured for AHB and IP buffer in BE mode. It works to an extent but not all is working correctly.

Could you detail what is working and what is not?

> 
> I was grep-ing through /driver/mtd/ and include/linux/mtd to look for these advance option(MTD_CFI_ADV_OPTIONS) to be used for SPI-NOR interface, is there a way this(MTD_CFI_BE_BYTE_SWAP) can be achieved for SPI-NOR flash?
> 
> Is anyone working on this, or similar thing?

That's not the proper fix. If you want you driver to work in
big-endian, fix the driver.

Regards,

Boris

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