linux-kernel - Re: [RESEND PATCH] dmaengine: dw-edma: Add HDMA NATIVE map check

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Message-ID: <lmfkq4k6fkm4rlayysf3m2qpbyejfkgxubu2c7txtvwzlp6ua6@6jl7glnnndcf>
Date: Wed, 30 Apr 2025 11:53:46 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Devendra K Verma <devverma@....com>
Cc: dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org, 
	michal.simek@....com, vkoul@...nel.org
Subject: Re: [RESEND PATCH] dmaengine: dw-edma: Add HDMA NATIVE map check

On Tue, Apr 29, 2025 at 05:00:48PM +0530, Devendra K Verma wrote:
> The HDMA IP supports the HDMA_NATIVE map format as part of Vendor-Specific
> Extended Capability. Added the check for HDMA_NATIVE map format.
> The check for map format enables the IP specific function invocation
> during the DMA ops.
> 

You also need to update the 'Debug info' part in dw_edma_pcie_probe().

- Mani

> Signed-off-by: Devendra K Verma <devverma@....com>
> ---
>  drivers/dma/dw-edma/dw-edma-pcie.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/dw-edma/dw-edma-pcie.c b/drivers/dma/dw-edma/dw-edma-pcie.c
> index 1c6043751dc9..42b2a554f7a5 100644
> --- a/drivers/dma/dw-edma/dw-edma-pcie.c
> +++ b/drivers/dma/dw-edma/dw-edma-pcie.c
> @@ -136,7 +136,8 @@ static void dw_edma_pcie_get_vsec_dma_data(struct pci_dev *pdev,
>  	map = FIELD_GET(DW_PCIE_VSEC_DMA_MAP, val);
>  	if (map != EDMA_MF_EDMA_LEGACY &&
>  	    map != EDMA_MF_EDMA_UNROLL &&
> -	    map != EDMA_MF_HDMA_COMPAT)
> +	    map != EDMA_MF_HDMA_COMPAT &&
> +	    map != EDMA_MF_HDMA_NATIVE)
>  		return;
>  
>  	pdata->mf = map;
> -- 
> 2.43.0
> 

-- 
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