[PATCH] NAND I/O instruction support
William J Beksi
wjbeksi at setabox.com
Tue Apr 5 22:39:08 EDT 2005
Artem B. Bityuckiy wrote:
> William J Beksi wrote:
>> This patch is to implement reading and writing nand flash by I/O
>> instructions. I have only been able to test on the x86 architecture.
>> Questions, comments, criticisms are welcome.
> Why didn't you use request_region()/release_region() to allocate IO ports?
> I wonder, for what do you need this?
Because I want to use the *same* I/O port range as that used by the IDE
interface on a PC. I think a look at my driver below will make things
> Shouldn't you redefine nand_read_byte() and the like *in your driver* instead.
Sure, it can be done like that. I am just not sure if this feature would
be useful to other driver writers in the future, that is why I tried to
make it as general as possible.
Thomas, should read/write using inb/outb be in my driver, or should this
be in nand_base.c?
Thanks for your comments.
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