linux-kernel - Re: [PATCH V6 1/3] soc: qcom: geni: Remove "iova" check

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Message-ID: <20201122032711.GO8532@builder.lan>
Date:   Sat, 21 Nov 2020 21:27:11 -0600
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Roja Rani Yarubandi <rojay@...eaurora.org>
Cc:     wsa@...nel.org, swboyd@...omium.org, dianders@...omium.org,
        saiprakash.ranjan@...eaurora.org, gregkh@...uxfoundation.org,
        mka@...omium.org, akashast@...eaurora.org,
        msavaliy@....qualcomm.com, skakit@...eaurora.org,
        vkaur@...eaurora.org, pyarlaga@...eaurora.org,
        rnayak@...eaurora.org, agross@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, sumit.semwal@...aro.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH V6 1/3] soc: qcom: geni: Remove "iova" check

On Fri 30 Oct 09:59 CDT 2020, Roja Rani Yarubandi wrote:

> Remove "iova" check from geni_se_tx_dma_unprep and geni_se_rx_dma_unprep
> functions as checking with dma_mapping_error() is enough.
> 

Applied this patch towards v5.11.

Thank you,
Bjorn

> Signed-off-by: Roja Rani Yarubandi <rojay@...eaurora.org>
> ---
> Changes in V5:
>  - This is newly added patch in V5. As per Stephen's comments separted
>    this patch from shutdown callback patch.
> 
> Changes in V6:
>  - Fixed nit-picks in commit text.
> 
>  drivers/soc/qcom/qcom-geni-se.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
> index d0e4f520cff8..0216b38c1e9a 100644
> --- a/drivers/soc/qcom/qcom-geni-se.c
> +++ b/drivers/soc/qcom/qcom-geni-se.c
> @@ -705,7 +705,7 @@ void geni_se_tx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
>  {
>  	struct geni_wrapper *wrapper = se->wrapper;
>  
> -	if (iova && !dma_mapping_error(wrapper->dev, iova))
> +	if (!dma_mapping_error(wrapper->dev, iova))
>  		dma_unmap_single(wrapper->dev, iova, len, DMA_TO_DEVICE);
>  }
>  EXPORT_SYMBOL(geni_se_tx_dma_unprep);
> @@ -722,7 +722,7 @@ void geni_se_rx_dma_unprep(struct geni_se *se, dma_addr_t iova, size_t len)
>  {
>  	struct geni_wrapper *wrapper = se->wrapper;
>  
> -	if (iova && !dma_mapping_error(wrapper->dev, iova))
> +	if (!dma_mapping_error(wrapper->dev, iova))
>  		dma_unmap_single(wrapper->dev, iova, len, DMA_FROM_DEVICE);
>  }
>  EXPORT_SYMBOL(geni_se_rx_dma_unprep);
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member 
> of Code Aurora Forum, hosted by The Linux Foundation
>