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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-01-09 13:34:18 +0100
committerWolfram Sang <wsa@kernel.org>2022-02-07 15:32:14 +0100
commit951285e59e8ac1d056780b3b5f024cdbdc9846d8 (patch)
tree4f04947e9cd6fd579c81b58b216a44f51fa0a397 /drivers/i2c/busses
parenti2c: mediatek: Add i2c compatible for Mediatek MT8186 (diff)
downloadlinux-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.c7
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);