[U-Boot] [PATCH v2 09/11] configs: Remove SF_DUAL_FLASH

Jagan Teki jagan at amarulasolutions.com
Mon Jan 28 06:36:42 UTC 2019


On Fri, Jan 25, 2019 at 8:30 PM Vignesh R <vigneshr at ti.com> wrote:
>
>
>
> On 25/01/19 8:17 PM, Jagan Teki wrote:
> > On Fri, Dec 21, 2018 at 12:18 PM Vignesh R <vigneshr at ti.com> wrote:
> >>
> >> SF_DUAL_FLASH claims to enable support for SF_DUAL_STACKED_FLASH and
> >> SF_DUAL_PARALLEL_FLASH. But, in current U-Boot code, grepping for above
> >> enums yield no user and therefore support seems to be incomplete. Remove
> >> these configs so as to avoid confusion.
> >
> > So, with Linux sync. all dual flash code is dropped is it?
> >
>
> Yes, because Linux does not support dual flash. I did try to add back
> dual flash support, but could not find any SPI flash claiming
> SF_DUAL_FLASH capability in today's U-Boot code. Therefore, this patch
> just drops the CONFIG option.
> Dual flash can always be added back to this framework when there is an
> actual user of the code in _mainline_ U-Boot.

As I said in previous version patches, it is not always to have some
functionalities in Linux and dual flash is useful for bootloader in
Xilinx Zynq IP's.  True that nothing has been done in Linux front and
even we asked about the "plan of work" on this context to Michal and
Siva in previous mails, unfortunately no is responded. On that note
I'm fine with going this change, thanks.


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