[PATCH 2/8] PCI: endpoint: pci-epf-test: use new DMA API to simple code

Frank Li
2025-12-08T17:10:15Z

Using new API dmaengine_prep_slave_single_config() to simple code.

No functional change.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
drivers/pci/endpoint/functions/pci-epf-test.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c
index debd235253c5ba54eb8f06d13261c407ee3768ec..eef569db0784d37bd6468b87fd951a5a0799ae69 100644
--- a/drivers/pci/endpoint/functions/pci-epf-test.c
+++ b/drivers/pci/endpoint/functions/pci-epf-test.c
@@ -162,12 +162,8 @@ static int pci_epf_test_data_transfer(struct pci_epf_test *epf_test,
else
sconf.src_addr = dma_remote;

- if (dmaengine_slave_config(chan, &sconf)) {
- dev_err(dev, "DMA slave config fail\n");
- return -EIO;
- }
- tx = dmaengine_prep_slave_single(chan, dma_local, len, dir,
- flags);
+ tx = dmaengine_prep_slave_single_config(chan, dma_local, len,
+ dir, flags, &sconf);
} else {
tx = dmaengine_prep_dma_memcpy(chan, dma_dst, dma_src, len,
flags);

--
2.34.1