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author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-01-09 13:34:18 +0100 |
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committer | Wolfram Sang <wsa@kernel.org> | 2022-02-07 15:32:14 +0100 |
commit | 951285e59e8ac1d056780b3b5f024cdbdc9846d8 (patch) | |
tree | 4f04947e9cd6fd579c81b58b216a44f51fa0a397 /drivers/i2c/busses | |
parent | i2c: mediatek: Add i2c compatible for Mediatek MT8186 (diff) | |
download | linux-951285e59e8ac1d056780b3b5f024cdbdc9846d8.tar.xz linux-951285e59e8ac1d056780b3b5f024cdbdc9846d8.zip |
i2c: amd-mp2: Remove useless DMA-32 fallback configuration
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@wanadoo.fr>
Acked-by: Nehal Bakulchandra Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r-- | drivers/i2c/busses/i2c-amd-mp2-pci.c | 7 |
1 files 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); |