From: Praveen Talari <praveen.talari@oss.qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>,
Mark Brown <broonie@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org,
linux-kernel@vger.kernel.org, bjorn.andersson@oss.qualcomm.com,
dmitry.baryshkov@oss.qualcomm.com
Cc: prasad.sodagudi@oss.qualcomm.com,
mukesh.savaliya@oss.qualcomm.com, quic_vtanuku@quicinc.com,
aniket.randive@oss.qualcomm.com,
chandana.chiluveru@oss.qualcomm.com,
jyothi.seerapu@oss.qualcomm.com
Subject: Re: [PATCH v1 2/3] spi: geni-qcom: Fix abort sequence execution for serial engine errors
Date: Wed, 28 Jan 2026 21:52:19 +0530 [thread overview]
Message-ID: <95bdb386-1635-4f8b-84dd-b5123d271b7d@oss.qualcomm.com> (raw)
In-Reply-To: <9d9d4d3d-42bf-4f4a-99d3-19df73f89c30@oss.qualcomm.com>
HI Konrad,
Thank you for review.
On 1/27/2026 6:47 PM, Konrad Dybcio wrote:
> On 1/22/26 4:10 PM, Praveen Talari wrote:
>> The driver currently skips the abort sequence for target mode when serial
>> engine errors occur. This leads to improper error recovery as the serial
>> engine may remain in an undefined state without proper cleanup, potentially
>> causing subsequent operations to fail or behave unpredictably.
>>
>> Fix this by ensuring the abort sequence and DMA reset always execute during
>> error recovery, as both are required for proper serial engine error
>> handling.
>>
>> Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com>
>> ---
>> drivers/spi/spi-geni-qcom.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
>> index f5d05025b196..e5320e2fb834 100644
>> --- a/drivers/spi/spi-geni-qcom.c
>> +++ b/drivers/spi/spi-geni-qcom.c
>> @@ -167,7 +167,7 @@ static void handle_se_timeout(struct spi_controller *spi,
>> * doesn`t support CMD Cancel sequnece
>> */
>> spin_unlock_irq(&mas->lock);
>> - goto reset_if_dma;
>> + goto abort;
>> }
>>
>> reinit_completion(&mas->cancel_done);
>> @@ -178,6 +178,7 @@ static void handle_se_timeout(struct spi_controller *spi,
>> if (time_left)
>> goto reset_if_dma;
>>
>> +abort:
>> spin_lock_irq(&mas->lock);
>
> Now that the jump is just 5 LoC, you can dispose of the goto and change it
> to an if-statement
Is the modification below good?
diff --git a/drivers/spi/spi-geni-qcom.c b/drivers/spi/spi-geni-qcom.c
index f5d05025b196..4feaf24d47ea 100644
--- a/drivers/spi/spi-geni-qcom.c
+++ b/drivers/spi/spi-geni-qcom.c
@@ -167,16 +167,15 @@ static void handle_se_timeout(struct
spi_controller *spi,
* doesn`t support CMD Cancel sequnece
*/
spin_unlock_irq(&mas->lock);
- goto reset_if_dma;
- }
-
- reinit_completion(&mas->cancel_done);
- geni_se_cancel_m_cmd(se);
- spin_unlock_irq(&mas->lock);
+ } else {
+ reinit_completion(&mas->cancel_done);
+ geni_se_cancel_m_cmd(se);
+ spin_unlock_irq(&mas->lock);
- time_left = wait_for_completion_timeout(&mas->cancel_done, HZ);
- if (time_left)
- goto reset_if_dma;
+ time_left =
wait_for_completion_timeout(&mas->cancel_done, HZ);
+ if (time_left)
+ goto reset_if_dma;
+ }
spin_lock_irq(&mas->lock);
reinit_completion(&mas->abort_done);
Thanks,
Praveen Talari
>
> Konrad
next prev parent reply other threads:[~2026-01-28 16:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-22 15:10 [PATCH v1 0/3] Improve SPI target mode support and error handling Praveen Talari
2026-01-22 15:10 ` [PATCH v1 1/3] spi: geni-qcom: Improve target mode allocation by using proper allocation functions Praveen Talari
2026-01-27 13:15 ` Konrad Dybcio
2026-01-28 16:32 ` Praveen Talari
2026-01-29 11:42 ` Konrad Dybcio
2026-01-29 15:45 ` Praveen Talari
2026-01-30 11:22 ` Konrad Dybcio
2026-01-22 15:10 ` [PATCH v1 2/3] spi: geni-qcom: Fix abort sequence execution for serial engine errors Praveen Talari
2026-01-27 13:17 ` Konrad Dybcio
2026-01-28 16:22 ` Praveen Talari [this message]
2026-01-29 11:48 ` Konrad Dybcio
2026-01-29 15:49 ` Praveen Talari
2026-01-29 15:10 ` [PATCH " Markus Elfring
2026-01-22 15:10 ` [PATCH v1 3/3] spi: geni-qcom: Add target abort support Praveen Talari
2026-01-27 13:21 ` Konrad Dybcio
2026-01-28 16:28 ` Praveen Talari
2026-01-29 11:42 ` Konrad Dybcio
2026-01-29 15:50 ` Praveen Talari
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