diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2021-01-04 18:08:46 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-27 22:03:50 +0300 |
| commit | 825b30c4f37bd4a6846916a18379dcd211ea3fbf (patch) | |
| tree | 90fe5b52af700c25d321612998886852c2efc516 /drivers/misc/habanalabs | |
| parent | 423815bf02e257091d5337be5c63b57fc29e4254 (diff) | |
| download | linux-825b30c4f37bd4a6846916a18379dcd211ea3fbf.tar.xz | |
habanalabs: Use 'dma_set_mask_and_coherent()'
Axe 'hl_pci_set_dma_mask()' and replace it with an equivalent
'dma_set_mask_and_coherent()' call.
This makes the code a bit less verbose.
It also removes an erroneous comment, because 'hl_pci_set_dma_mask()'
does not try to use a fall-back value.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs')
| -rw-r--r-- | drivers/misc/habanalabs/common/pci/pci.c | 43 |
1 files changed, 7 insertions, 36 deletions
diff --git a/drivers/misc/habanalabs/common/pci/pci.c b/drivers/misc/habanalabs/common/pci/pci.c index c56ec1574127..b799f9258fb0 100644 --- a/drivers/misc/habanalabs/common/pci/pci.c +++ b/drivers/misc/habanalabs/common/pci/pci.c @@ -308,40 +308,6 @@ int hl_pci_set_outbound_region(struct hl_device *hdev, } /** - * hl_pci_set_dma_mask() - Set DMA masks for the device. - * @hdev: Pointer to hl_device structure. - * - * This function sets the DMA masks (regular and consistent) for a specified - * value. If it doesn't succeed, it tries to set it to a fall-back value - * - * Return: 0 on success, non-zero for failure. - */ -static int hl_pci_set_dma_mask(struct hl_device *hdev) -{ - struct pci_dev *pdev = hdev->pdev; - int rc; - - /* set DMA mask */ - rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(hdev->dma_mask)); - if (rc) { - dev_err(hdev->dev, - "Failed to set pci dma mask to %d bits, error %d\n", - hdev->dma_mask, rc); - return rc; - } - - rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(hdev->dma_mask)); - if (rc) { - dev_err(hdev->dev, - "Failed to set pci consistent dma mask to %d bits, error %d\n", - hdev->dma_mask, rc); - return rc; - } - - return 0; -} - -/** * hl_pci_init() - PCI initialization code. * @hdev: Pointer to hl_device structure. * @@ -377,9 +343,14 @@ int hl_pci_init(struct hl_device *hdev) goto unmap_pci_bars; } - rc = hl_pci_set_dma_mask(hdev); - if (rc) + rc = dma_set_mask_and_coherent(&pdev->dev, + DMA_BIT_MASK(hdev->dma_mask)); + if (rc) { + dev_err(hdev->dev, + "Failed to set dma mask to %d bits, error %d\n", + hdev->dma_mask, rc); goto unmap_pci_bars; + } return 0; |