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-rw-r--r--sys/dev/ata/ata-dma.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/sys/dev/ata/ata-dma.c b/sys/dev/ata/ata-dma.c
index cd719ee..644755d 100644
--- a/sys/dev/ata/ata-dma.c
+++ b/sys/dev/ata/ata-dma.c
@@ -59,7 +59,6 @@ static MALLOC_DEFINE(M_ATADMA, "ATA DMA", "ATA driver DMA");
/* misc defines */
#define MAXTABSZ PAGE_SIZE
#define MAXWSPCSZ PAGE_SIZE
-#define MAXCTLDMASZ (2 * (MAXTABSZ + MAXPHYS))
struct ata_dc_cb_args {
bus_addr_t maddr;
@@ -95,10 +94,10 @@ ata_dmaalloc(struct ata_channel *ch)
{
struct ata_dc_cb_args ccba;
- if (bus_dma_tag_create(NULL, 1, 0,
+ if (bus_dma_tag_create(NULL, ch->dma->alignment, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
- NULL, NULL, MAXCTLDMASZ,
- ATA_DMA_ENTRIES, BUS_SPACE_MAXSIZE_32BIT,
+ NULL, NULL, 16*1024*1024,
+ ATA_DMA_ENTRIES, ch->dma->max_iosize,
BUS_DMA_ALLOCNOW, NULL, NULL, &ch->dma->dmatag))
goto error;
@@ -110,8 +109,8 @@ ata_dmaalloc(struct ata_channel *ch)
if (bus_dma_tag_create(ch->dma->dmatag,ch->dma->alignment,ch->dma->boundary,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
- NULL, NULL, ch->dma->max_iosize,
- ATA_DMA_ENTRIES, ch->dma->boundary,
+ NULL, NULL, 16*1024*1024,
+ ATA_DMA_ENTRIES, ch->dma->max_iosize,
BUS_DMA_ALLOCNOW, NULL, NULL, &ch->dma->ddmatag))
goto error;
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