Re: [PATCH v2] mtd: spi-nor: Use DMA-safe buffer for JEDEC ID in spi_nor_read_id()

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On 09/17/2018 11:46 AM, Boris Brezillon wrote:
On Mon, 17 Sep 2018 11:41:31 +0300
Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx> wrote:

On 09/17/2018 11:28 AM, Boris Brezillon wrote:

Hm, I just had a look at all ->read/write_reg() call sites and it seems
we have the same problem in other places. Maybe it's just better to fix
the problem in m25p80 ->read/write_reg() implems for now and see how we
can fix that generically afterwards.
It's not only m25p80, how about all other cases calling spi_nor_scan()?


I agree, the problem is more generic than that, but commit 4120f8d158ef
only breaks the m25p80 driver, and I'd like to keep the fix as simple as
possible.

You are right, I looked at too quickly spi_nor_scan() users. Those others are controller drivers.

--
Jarkko

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