diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-08-26 13:57:24 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-08-26 22:58:58 +0300 |
| commit | dcc02c19cc06bd7bc1b6db0aa0087a2b6eb05b94 (patch) | |
| tree | 7bb71664f91cf444536e94bbd6e74da018d1c078 /drivers/ata/sata_sil24.c | |
| parent | 440bd77f09b8a11a5c729ef61f346421e4d10b87 (diff) | |
| download | linux-dcc02c19cc06bd7bc1b6db0aa0087a2b6eb05b94.tar.xz | |
sata_sil24: use dma_set_mask_and_coherent
Use the dma_set_mask_and_coherent helper to set the DMA mask. Rely
on the relatively recent change that setting a larger than required
mask will never fail to avoid the need for the boilerplate 32-bit
fallback code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ata/sata_sil24.c')
| -rw-r--r-- | drivers/ata/sata_sil24.c | 26 |
1 files changed, 4 insertions, 22 deletions
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 98aad8206921..7bef82de53ca 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -1301,28 +1301,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) host->iomap = iomap; /* configure and activate the device */ - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { - rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); - if (rc) { - rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, - "64-bit DMA enable failed\n"); - return rc; - } - } - } else { - rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, "32-bit DMA enable failed\n"); - return rc; - } - rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (rc) { - dev_err(&pdev->dev, - "32-bit consistent DMA enable failed\n"); - return rc; - } + rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); + if (rc) { + dev_err(&pdev->dev, "DMA enable failed\n"); + return rc; } /* Set max read request size to 4096. This slightly increases |