As stated in [1], dma_set_mask() with a 64-bit mask never fails 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 Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- drivers/i2c/busses/i2c-amd-mp2-pci.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c index adf0e8c1ec01..f57077a7448d 100644 --- a/drivers/i2c/busses/i2c-amd-mp2-pci.c +++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c @@ -308,11 +308,8 @@ static int amd_mp2_pci_init(struct amd_mp2_dev *privdata, pci_set_master(pci_dev); rc = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(64)); - if (rc) { - rc = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32)); - if (rc) - goto err_dma_mask; - } + if (rc) + goto err_dma_mask; /* Set up intx irq */ writel(0, privdata->mmio + AMD_P2C_MSG_INTEN); -- 2.32.0