diff options
author | Christoph Hellwig <hch@lst.de> | 2005-05-16 18:54:12 +0200 |
---|---|---|
committer | James Bottomley <jejb@mulgrave.(none)> | 2005-05-20 15:54:37 -0500 |
commit | 7dfa0f2673c17334c5de75a449f7bc161c9bd2c0 (patch) | |
tree | 0cb95e4fdef14b0a4decc2ebed5a2abee057db6f /drivers/scsi | |
parent | dedd831081052028f35aaf924ea3d6c55109074f (diff) |
[SCSI] remove dma_mask hacks
pci_alloc_consistent is under 4G by default. Also simplify the
definition of bus_dmamap_t.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.c | 43 | ||||
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm.h | 7 | ||||
-rw-r--r-- | drivers/scsi/aic7xxx/aic7xxx_osm_pci.c | 2 |
3 files changed, 6 insertions, 46 deletions
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 37fda70b5435..717401b26b6f 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -949,37 +949,11 @@ int ahc_dmamem_alloc(struct ahc_softc *ahc, bus_dma_tag_t dmat, void** vaddr, int flags, bus_dmamap_t *mapp) { - bus_dmamap_t map; - - map = malloc(sizeof(*map), M_DEVBUF, M_NOWAIT); - if (map == NULL) - return (ENOMEM); - /* - * Although we can dma data above 4GB, our - * "consistent" memory is below 4GB for - * space efficiency reasons (only need a 4byte - * address). For this reason, we have to reset - * our dma mask when doing allocations. - */ - if (ahc->dev_softc != NULL) - if (pci_set_dma_mask(ahc->dev_softc, 0xFFFFFFFF)) { - printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n"); - kfree(map); - return (ENODEV); - } *vaddr = pci_alloc_consistent(ahc->dev_softc, - dmat->maxsize, &map->bus_addr); - if (ahc->dev_softc != NULL) - if (pci_set_dma_mask(ahc->dev_softc, - ahc->platform_data->hw_dma_mask)) { - printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n"); - kfree(map); - return (ENODEV); - } + dmat->maxsize, mapp); if (*vaddr == NULL) - return (ENOMEM); - *mapp = map; - return(0); + return ENOMEM; + return 0; } void @@ -987,7 +961,7 @@ ahc_dmamem_free(struct ahc_softc *ahc, bus_dma_tag_t dmat, void* vaddr, bus_dmamap_t map) { pci_free_consistent(ahc->dev_softc, dmat->maxsize, - vaddr, map->bus_addr); + vaddr, map); } int @@ -1001,7 +975,7 @@ ahc_dmamap_load(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map, */ bus_dma_segment_t stack_sg; - stack_sg.ds_addr = map->bus_addr; + stack_sg.ds_addr = map; stack_sg.ds_len = dmat->maxsize; cb(cb_arg, &stack_sg, /*nseg*/1, /*error*/0); return (0); @@ -1010,12 +984,6 @@ ahc_dmamap_load(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map, void ahc_dmamap_destroy(struct ahc_softc *ahc, bus_dma_tag_t dmat, bus_dmamap_t map) { - /* - * The map may is NULL in our < 2.3.X implementation. - * Now it's 2.6.5, but just in case... - */ - BUG_ON(map == NULL); - free(map, M_DEVBUF); } int @@ -1382,7 +1350,6 @@ ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg) TAILQ_INIT(&ahc->platform_data->completeq); TAILQ_INIT(&ahc->platform_data->device_runq); ahc->platform_data->irq = AHC_LINUX_NOIRQ; - ahc->platform_data->hw_dma_mask = 0xFFFFFFFF; ahc_lockinit(ahc); init_timer(&ahc->platform_data->completeq_timer); ahc->platform_data->completeq_timer.data = (u_long)ahc; diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h index 752022e4d4d4..9cfb46b4b15f 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.h +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h @@ -174,11 +174,7 @@ struct ahc_linux_dma_tag }; typedef struct ahc_linux_dma_tag* bus_dma_tag_t; -struct ahc_linux_dmamap -{ - dma_addr_t bus_addr; -}; -typedef struct ahc_linux_dmamap* bus_dmamap_t; +typedef dma_addr_t bus_dmamap_t; typedef int bus_dma_filter_t(void*, dma_addr_t); typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int); @@ -479,7 +475,6 @@ struct ahc_platform_data { uint32_t irq; /* IRQ for this adapter */ uint32_t bios_address; uint32_t mem_busaddr; /* Mem Base Addr */ - uint64_t hw_dma_mask; ahc_linux_softc_flags flags; }; diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c index 886f92f91846..2a0ebce83e7a 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c @@ -221,13 +221,11 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent) && ahc_linux_get_memsize() > 0x80000000 && pci_set_dma_mask(pdev, mask_39bit) == 0) { ahc->flags |= AHC_39BIT_ADDRESSING; - ahc->platform_data->hw_dma_mask = mask_39bit; } else { if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_WARNING "aic7xxx: No suitable DMA available.\n"); return (-ENODEV); } - ahc->platform_data->hw_dma_mask = DMA_32BIT_MASK; } ahc->dev_softc = pci; error = ahc_pci_config(ahc, entry); |