Date: Mon, 2 Mar 2009 09:41:00 GMT From: Ulf Lilleengen <lulf@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 158581 for review Message-ID: <200903020941.n229f0Cg043350@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=158581 Change 158581 by lulf@lulf_carrot on 2009/03/02 09:40:24 - Use uncached segment for tmpaddr. - Flush write buffer before sync to make sure. Affected files ... .. //depot/projects/avr32/src/sys/avr32/avr32/busdma_machdep.c#3 edit Differences ... ==== //depot/projects/avr32/src/sys/avr32/avr32/busdma_machdep.c#3 (text+ko) ==== @@ -460,7 +460,8 @@ void *tmpaddr = (void *)*vaddr; if (tmpaddr) { - tmpaddr = (void *)AVR32_PHYS_TO_P1(vtophys(tmpaddr)); + /* XXX: */ + tmpaddr = (void *)AVR32_PHYS_TO_P2(vtophys(tmpaddr)); newmap->origbuffer = *vaddr; newmap->allocbuffer = tmpaddr; avr32_dcache_wbinv_range((vm_offset_t)*vaddr, @@ -799,7 +800,7 @@ * Flush the write buffer. * XXX Is this always necessary? */ - //avr32_wbflush(); + avr32_wbflush(); op &= (BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); if (op == 0)
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