Minor mods to DMA interface - get rid of unnecessary args. Allow DMA functions to return status flags.

Note: Changing code to have DMA interface indicate when I/O is done (a la NetBSD) was considered. It was rejected due to questionable backward compatability
with ISA DMA and MAC obio DMA

Added irqack from NetBSD (though this feature should really be in the
PCI interrupt handlers)

Use pool

1 files changed, 5 insertions, 6 deletions

diff --git a/sys/dev/isa/wdc_isa.c b/sys/dev/isa/wdc_isa.c
index 033f246602f..41781ef665e 100644
--- a/sys/dev/isa/wdc_isa.c
+++ b/sys/dev/isa/wdc_isa.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: wdc_isa.c,v 1.6 2001/01/29 00:20:17 csapuntz Exp $     */
+/*      $OpenBSD: wdc_isa.c,v 1.7 2001/03/25 13:11:58 csapuntz Exp $     */
 /*	$NetBSD: wdc_isa.c,v 1.15 1999/05/19 14:41:25 bouyer Exp $ */
 
 /*-
@@ -91,8 +91,8 @@ struct cfattach wdc_isa_ca = {
 #if NISADMA > 0
 static void	wdc_isa_dma_setup __P((struct wdc_isa_softc *));
 static int	wdc_isa_dma_init __P((void*, int, int, void *, size_t, int));
-static void 	wdc_isa_dma_start __P((void*, int, int, int));
-static int	wdc_isa_dma_finish __P((void*, int, int, int));
+static void 	wdc_isa_dma_start __P((void*, int, int));
+static int	wdc_isa_dma_finish __P((void*, int, int));
 #endif	/* NISADMA > 0 */
 
 int
@@ -244,7 +244,7 @@ wdc_isa_dma_init(v, channel, drive, databuf, datalen, read)
 }
 
 static void
-wdc_isa_dma_start(v, channel, drive, read)
+wdc_isa_dma_start(v, channel, drive)
 	void *v;
 	int channel, drive;
 {
@@ -252,10 +252,9 @@ wdc_isa_dma_start(v, channel, drive, read)
 }
 
 static int
-wdc_isa_dma_finish(v, channel, drive, read)
+wdc_isa_dma_finish(v, channel, drive)
 	void *v;
 	int channel, drive;
-	int read;
 {
 	struct wdc_isa_softc *sc = v;