Re: [PATCH] mtd: nand: qcom: Fix the node for nand unmap resource

[Manivannan Sadhasivam]

On Thu, Sep 07, 2023 at 02:58:54PM +0530, Bibek Kumar Patro wrote:
> While unmapping the nand resource in case of err_core_clk
> the dev node being passed is res_start instead of nand->dma_base
> (where the iova returned from map operation is stored) causing
> failure in unmap operation. Hence modifying the unmap operation
> to pass the nand->base_dma instead of res_start.
> 
> Signed-off-by: Bibek Kumar Patro <quic_bibekkum@xxxxxxxxxxx>
> ---
>  drivers/mtd/nand/raw/qcom_nandc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/nand/raw/qcom_nandc.c b/drivers/mtd/nand/raw/qcom_nandc.c
> index f583022755a2..e085a0f588eb 100644
> --- a/drivers/mtd/nand/raw/qcom_nandc.c
> +++ b/drivers/mtd/nand/raw/qcom_nandc.c
> @@ -3322,7 +3322,7 @@ static int qcom_nandc_probe(struct platform_device *pdev)
>  err_aon_clk:
>  	clk_disable_unprepare(nandc->core_clk);
>  err_core_clk:
> -	dma_unmap_resource(dev, res->start, resource_size(res),
> +	dma_unmap_resource(dev, nandc->base_dma, resource_size(res),
>  			   DMA_BIDIRECTIONAL, 0);
>  	dev_err(&pdev->dev, "DEBUG: probe failed for nandc module\n");

This error indicates that you are sending the patch against downstream tree.
That's not appropriate. Please send your patches against mainline/mtd-next
instead and also validate properly.

- Mani

>  	return ret;
> -- 
> 2.17.1
> 

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