[PATCH v3 3/9] PCI: endpoint: pci-epf-test: Use dmaenigne_prep_config_single() to simplify code

[Manivannan Sadhasivam]

On Mon, Jan 05, 2026 at 05:46:53PM -0500, Frank Li wrote:
> Use dmaenigne_prep_config_single() to simplify code.
> 
> No functional change.
> 
> Tested-by: Niklas Cassel <cassel at kernel.org>
> Reviewed-by: Damien Le Moal <dlemoal at kernel.org>
> Signed-off-by: Frank Li <Frank.Li at nxp.com>

Acked-by: Manivannan Sadhasivam <mani at kernel.org>

- Mani

> ---
> change in v3
> - add Damien Le Moal review tag
> ---
>  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..95b046c678da7ca4a0d9616acdd544251dc05aac 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_config_single(chan, dma_local, len,
> +						  dir, flags, &sconf);
>  	} else {
>  		tx = dmaengine_prep_dma_memcpy(chan, dma_dst, dma_src, len,
>  					       flags);
> 
> -- 
> 2.34.1
> 

-- 
மணிவண்ணன் சதாசிவம்