[PATCH 1/2] mtd: m25p80: Fix false-positive probing

[Mike Frysinger]

On Tue, Jun 22, 2010 at 12:57, Anton Vorontsov wrote:
> Since commit 18c6182bae0acca220ed6611f741034d563cd19f ("Rework
> probing/JEDEC code"), m25p80 driver successfully registers chips
> even if JEDEC probing fails.
>
> This was needed to support non-JEDEC flashes. Though, it appears
> that some platforms (e.g. blackfin bf533 stamp[1]) used the old
> behavior to detect if there's any flash connected, so the driver
> have to fail on JEDEC probing errors.
>
> This patch restores the old behavior for JEDEC flashes, and adds
> "-nonjedec" SPI device IDs for M25Pxx flashes, so that the kernel
> still supports non-JEDEC flashes.

Acked-by: Mike Frysinger <vapier at gentoo.org>

> [1] http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=5975

http://blackfin.uclinux.org/gf/tracker/5975

> Reported-by: Mingquan Pan

<Grace.Pan at analog.com>
-mike