Clean up some of the various platform and release specific dma tag

stuff so it is centralized in isp_freebsd.h.

Take out PCI posting flushed in qla2100/2200 register reads except for
2100s.

1 files changed, 4 insertions, 22 deletions

diff --git a/sys/dev/isp/isp_sbus.c b/sys/dev/isp/isp_sbus.c
index b45d5ea..c9a4294 100644
--- a/sys/dev/isp/isp_sbus.c
+++ b/sys/dev/isp/isp_sbus.c
@@ -474,23 +474,6 @@ imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
 	}
 }
 
-/*
- * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
- */
-#define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)  
-
-#if __FreeBSD_version < 700020
-#define	BUS_DMA_ROOTARG	NULL
-#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
-	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
-	busdma_lock_mutex, &Giant, z)
-#else
-#define	BUS_DMA_ROOTARG	bus_get_dma_tag(sbs->sbus_dev)
-#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
-	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
-	busdma_lock_mutex, &Giant, z)
-#endif
-
 static int
 isp_sbus_mbxdma(ispsoftc_t *isp)
 {
@@ -509,11 +492,10 @@ isp_sbus_mbxdma(ispsoftc_t *isp)
 
 	ISP_UNLOCK(isp);
 
-	if (isp_dma_tag_create(BUS_DMA_ROOTARG, 1, BUS_SPACE_MAXADDR_24BIT+1,
-	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT,
-	    NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS,
-	    BUS_SPACE_MAXADDR_24BIT, 0,
-	    &sbs->dmat)) {
+	if (isp_dma_tag_create(BUS_DMA_ROOTARG(sbs->sbus_dev), 1,
+	    BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
+	    BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
+	    ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &sbs->dmat)) {
 		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
 		ISP_LOCK(isp);
 		return(1);