linux-kernel - Re: [PATCH v1 3/3] spi: geni-qcom: Add target abort support

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Message-ID: <64961e27-e316-47d1-8ab4-c4868754adb6@oss.qualcomm.com>
Date: Tue, 27 Jan 2026 14:21:47 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Praveen Talari <praveen.talari@....qualcomm.com>,
        Mark Brown <broonie@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        bjorn.andersson@....qualcomm.com, dmitry.baryshkov@....qualcomm.com
Cc: prasad.sodagudi@....qualcomm.com, mukesh.savaliya@....qualcomm.com,
        quic_vtanuku@...cinc.com, aniket.randive@....qualcomm.com,
        chandana.chiluveru@....qualcomm.com, jyothi.seerapu@....qualcomm.com
Subject: Re: [PATCH v1 3/3] spi: geni-qcom: Add target abort support

On 1/22/26 4:10 PM, Praveen Talari wrote:
> SPI target mode currently lacks a mechanism to gracefully abort ongoing
> transfers when the client or core needs to cancel active transactions.
> 
> Implement spi_geni_target_abort() to handle aborting SPI target
> operations when the client and core want to cancel ongoing transfers.
> This provides a mechanism for graceful termination of active SPI
> transactions in target mode.
> 
> Signed-off-by: Praveen Talari <praveen.talari@....qualcomm.com>
> ---
>  drivers/spi/spi-geni-qcom.c | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
> index e5320e2fb834..231fd31de048 100644
> --- a/drivers/spi/spi-geni-qcom.c
> +++ b/drivers/spi/spi-geni-qcom.c
> @@ -1009,6 +1009,17 @@ static irqreturn_t geni_spi_isr(int irq, void *data)
>  	return IRQ_HANDLED;
>  }
>  
> +static int spi_geni_target_abort(struct spi_controller *spi)
> +{
> +	if (!spi->cur_msg)
> +		return 0;
> +
> +	handle_se_timeout(spi, spi->cur_msg);

I can't help but notice this function never even dereferences this
argument

Konrad