DragonFly commits List (threaded) for 2007-06
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DragonFly commits List (threaded) for 2007-06
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Re: cvs commit: src/sys/platform/pc32/i386 busdma_machdep.c


From: "Thomas E. Spanjaard" <tgen@xxxxxxxxxxxxx>
Date: Tue, 05 Jun 2007 09:34:55 +0000

Simon 'corecode' Schubert wrote:
Matthew Dillon wrote:
Log:
Implement boundary and maximum segment size handling in bus_dmamap_load().
This fixes NATA's UDMA device support. The UDMA dma controller is limited
to a transfer size of 65536 bytes and address incrementation might not
carry over to bit 16.
Good catch! Well hidden though.

Indeed, I was staring myself blind on interrupts...


Cheers,
--
        Thomas E. Spanjaard
        tgen@netphreax.net

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