From: Minghao Chi <chi.minghao@xxxxxxxxxx> As stated in [1], dma_set_mask() with a 64-bit mask will never fail if dev->dma_mask is non-NULL. So, if it fails, the 32 bits case will also fail for the same reason. Simplify code and remove some dead code accordingly. [1]: https://lkml.org/lkml/2021/6/7/398 Reported-by: Zeal Robot <zealci@xxxxxxxxxx> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx> --- drivers/fpga/dfl-pci.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/fpga/dfl-pci.c b/drivers/fpga/dfl-pci.c index 717ac9715970..42fdfa7a28d6 100644 --- a/drivers/fpga/dfl-pci.c +++ b/drivers/fpga/dfl-pci.c @@ -356,8 +356,6 @@ int cci_pci_probe(struct pci_dev *pcidev, const struct pci_device_id *pcidevid) pci_set_master(pcidev); ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(64)); - if (ret) - ret = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)); if (ret) { dev_err(&pcidev->dev, "No suitable DMA support available.\n"); goto disable_error_report_exit; -- 2.25.1
