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Re: [RFC PATCH v6 00/11] hw/ssi: imx_spi: Fix various bugs in the imx_sp

From: Bin Meng
Subject: Re: [RFC PATCH v6 00/11] hw/ssi: imx_spi: Fix various bugs in the imx_spi model
Date: Wed, 13 Jan 2021 11:29:00 +0800

Hi Philippe,

On Wed, Jan 13, 2021 at 2:35 AM Philippe Mathieu-Daudé <f4bug@amsat.org> wrote:
> Hi,
> As it is sometimes harder for me to express myself in plain
> English, I found it easier to write the patches I was thinking
> about. I know this doesn't scale.
> So this is how I understand the ecSPI reset works, after
> looking at the IMX6DQRM.pdf datasheet.
> This is a respin of Ben's v5 series [*].
> Tagged RFC because I have not tested it :)

Unfortunately this series breaks SPI flash testing under both U-Boot
and VxWorks 7.

> Sometimes changing device reset to better match hardware gives
> trouble when using '-kernel ...' because there is no bootloader
> setting the device in the state Linux expects it.

Given most of the new changes in this RFC series are clean-ups, I
suggest we apply the v5 series unless there is anything seriously
wrong in v5, IOW, don't fix it unless it's broken.



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