Warner Losh wrote:
> Original Message
> Subject: PCI DMA Questions
>
> I'm debugging a hunk of PCI hardware that I have under NDA. It
> doesn't seem to be initiating DMA transfers. This may be a hardware
> problem, but before I go back to the vend
In message <[EMAIL PROTECTED]> Mike Smith writes:
: Make sure that the busmaster bit is set in the PCI command register:
Good advice. However, that wasn't my problem :-(.
: Not to bounce too much, but you may find the examples in the amr and mlx
: drivers easier to follow (maybe not, too). I
>
> I'm debugging a hunk of PCI hardware that I have under NDA. It
> doesn't seem to be initiating DMA transfers. This may be a hardware
> problem, but before I go back to the vendor, I want to make sure that
> I'm doing the DMA initialization right. It was my understanding that
> DMA just hap
I'm debugging a hunk of PCI hardware that I have under NDA. It
doesn't seem to be initiating DMA transfers. This may be a hardware
problem, but before I go back to the vendor, I want to make sure that
I'm doing the DMA initialization right. It was my understanding that
DMA just happened on the
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