Initialising NAND OOB with Software ECC
phil at river-bank.demon.co.uk
Fri Feb 14 09:18:33 EST 2003
On Friday 14 February 2003 1:56 pm, David Woodhouse wrote:
> On Fri, 2003-02-14 at 13:50, Thomas Gleixner wrote:
> > True, doe you have a better idea ?
> We don't _really_ need to write both in a single atomic operation, do
> we? Write to two different devices. You can always provide a library
> routine to do the right thing if you really care about upsetting the
> userspace programmer.
Given that you have to pass a pointer to the data in order to calculate the
ECC, and you have to allow filesystems to supply some OOB data, then you
still need 2 pointers into user space even if you separate the writes.
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