diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-09-01 13:24:21 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-09-25 06:20:44 +0200 |
| commit | bd9b848557b0e6bfefa64e661196aaea82c983aa (patch) | |
| tree | 74796fe1be4fe67b6ff152148fa67de333f0697f /drivers | |
| parent | dma-mapping: add a new dma_alloc_noncoherent API (diff) | |
| download | linux-bd9b848557b0e6bfefa64e661196aaea82c983aa.tar.xz linux-bd9b848557b0e6bfefa64e661196aaea82c983aa.zip | |
sgiwd93: convert to dma_alloc_noncoherent
Use the new non-coherent DMA API including proper ownership transfers.
This also means we can allocate the memory as DMA_TO_DEVICE instead
of bidirectional.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/sgiwd93.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c index 3bdf0deb8f15..cf1030c9dda1 100644 --- a/drivers/scsi/sgiwd93.c +++ b/drivers/scsi/sgiwd93.c @@ -95,7 +95,7 @@ void fill_hpc_entries(struct ip22_hostdata *hd, struct scsi_cmnd *cmd, int din) */ hcp->desc.pbuf = 0; hcp->desc.cntinfo = HPCDMA_EOX; - dma_cache_sync(hd->dev, hd->cpu, + dma_sync_single_for_device(hd->dev, hd->dma, (unsigned long)(hcp + 1) - (unsigned long)hd->cpu, DMA_TO_DEVICE); } @@ -234,8 +234,8 @@ static int sgiwd93_probe(struct platform_device *pdev) hdata = host_to_hostdata(host); hdata->dev = &pdev->dev; - hdata->cpu = dma_alloc_attrs(&pdev->dev, HPC_DMA_SIZE, &hdata->dma, - GFP_KERNEL, DMA_ATTR_NON_CONSISTENT); + hdata->cpu = dma_alloc_noncoherent(&pdev->dev, HPC_DMA_SIZE, + &hdata->dma, DMA_TO_DEVICE, GFP_KERNEL); if (!hdata->cpu) { printk(KERN_WARNING "sgiwd93: Could not allocate memory for " "host %d buffer.\n", unit); @@ -274,8 +274,8 @@ static int sgiwd93_probe(struct platform_device *pdev) out_irq: free_irq(irq, host); out_free: - dma_free_attrs(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma, - DMA_ATTR_NON_CONSISTENT); + dma_free_noncoherent(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma, + DMA_TO_DEVICE); out_put: scsi_host_put(host); out: @@ -291,8 +291,8 @@ static int sgiwd93_remove(struct platform_device *pdev) scsi_remove_host(host); free_irq(pd->irq, host); - dma_free_attrs(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma, - DMA_ATTR_NON_CONSISTENT); + dma_free_noncoherent(&pdev->dev, HPC_DMA_SIZE, hdata->cpu, hdata->dma, + DMA_TO_DEVICE); scsi_host_put(host); return 0; } |