Re: o_sync in vfat driver
- From: Krzysztof Halasa <khc@xxxxxxxxx>
- Date: Tue, 28 Feb 2006 19:09:00 +0100
"linux-os \(*** Johnson\)" <linux-os@xxxxxxxxxxxx> writes:
Here is an instrumented erase function on a driver that rewrites
the first sector of a BIOS ROM. Unlike the Flash DISKS, the
BIOS ROM has no buffering in static RAM so you can gustimate
the actual time to erase............
The NOR flash is different but Samsung manual for K9F5608U0A-YCB0,
K9F5608U0A-YIB0 32M x 8 Bit NAND Flash Memory says:
FEATURES GENERAL DESCRIPTION
- Page Program : (512 + 16)Byte
- Block Erase : (16K + 512)Byte
- Program time : 200us(Typ.)
- Block Erase Time : 2ms(Typ.)
- Endurance : 100K Program/Erase Cycles
- Data Retention : 10 Years
--
Krzysztof Halasa
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- Re: o_sync in vfat driver
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