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SubjectRe: [RFC PATCH 0/8] mtd: rawnand: ams-delta: Use gpio-omap accessors for data I/O
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Hi Boris,

On Thursday, July 19, 2018 8:15:08 AM CEST Boris Brezillon wrote:
> Hi Janusz,
>
> On Thu, 19 Jul 2018 01:57:02 +0200
> Janusz Krzysztofik <jmkrzyszt@gmail.com> wrote:
>
> > Implement the idea suggested by Artem Bityutskiy and Tony Lindgren
> > described in commit b027274d2e3a ("mtd: ams-delta: fix
> > request_mem_region() failure").
>
> Thanks for doing that. I'll review the patches, but I already have a
> extra request: can you convert this driver to ->exec_op()? It does not
> necessarily have to be done in this patchset, but, that'd be great to
> have one more driver converted to the new interface.

OK, I'll have a look as my free time permits.

> BTW, there seems to be a nand_gpio driver, maybe we should merge
> ams-delta code into nand_gpio after it's been patched to use the GPIO
> consumer API.

nand_gpio uses a form of read()/write() on a single bidirectional register for
data transfer, not GPIO, and it does not make use of NRE / NWE signals. Maybe
the two drivers could be merged to some extent but not entirely, I think.

Thanks,
Janusz


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