[PATCH] mtd: m25p80: Disable 4K erase for s25sl032p, s25sl064p

Artem Bityutskiy artem.bityutskiy at linux.intel.com
Fri Sep 21 09:12:31 EDT 2012


On Tue, 2012-09-04 at 05:31 +0200, Marek Vasut wrote:
> Quoting from the datasheet for S25FL064P, rev. 05, Nov 18 2011,
> section 9.17:
> 
> A 64 kB sector erase (D8h) command issued on 4 kB or 8 kB erase
> sectors will erase all sectors in the specified 64 kB region.
> However, please note that a 4 kB sector erase (20h) or 8 kB
> sector erase (40h) command will not work on a 64 kB sector.
> 
> Refering further to Table 8.1 and Table 8.2, it is clearly seen
> that most of the sectors are 64kB, therefore disable this 4K
> erase support since it's valid only on first/last sectors.

Pushed to l2-mtd.git, thanks!

-- 
Best Regards,
Artem Bityutskiy
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