On Fri, 22 Jan 1999, Leonard N. Zubkoff wrote:
>
>since they are incorrectly translating a kernel virtual address (addr) before
>accessing the location. Again, with the default PAGE_OFFSET and __io_virt this
>behavior wasn't apparent. Changing PAGE_OFFSET to 0x7000000 also causes my
>DAC960 driver to die, and the point of death is the first writeb to the device.
>
>I haven't had time to test this theory as yet. Anyone more familiar with this
>code care to comment? From IO-mapping.txt it seems pretty clear that the
>current code is incorrect.
>
> Leonard
Another data point that I forgot to mention before is that I changed the
PAGE_OFFSET to 0x7C000000 as in the patch that you sent me for 2.0.36. I
don't know if this makes any difference, but thought that you should know.
Tom
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