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Thu, 22 Jan 2026 07:10:32 -0800 (PST) Received: from hu-ptalari-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8217c258fa7sm4328182b3a.17.2026.01.22.07.10.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Jan 2026 07:10:31 -0800 (PST) From: Praveen Talari To: Mark Brown , 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, konrad.dybcio@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, Praveen Talari Subject: [PATCH v1 3/3] spi: geni-qcom: Add target abort support Date: Thu, 22 Jan 2026 20:40:08 +0530 Message-Id: <20260122151008.2149252-4-praveen.talari@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260122151008.2149252-1-praveen.talari@oss.qualcomm.com> References: <20260122151008.2149252-1-praveen.talari@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=HOHO14tv c=1 sm=1 tr=0 ts=69723dea cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=ZHV-9eCtjRHb1jRugp0A:9 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-ORIG-GUID: q9u5b9qeT63hWZOkUOuh8q8AJGEbN6VI X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIyMDExNSBTYWx0ZWRfX2BHx7uikV/6v 5FLfnklyPXcAxpKllrz5mRjfDgsplv5BpMGu3aTQFjRPwJ3gEXoGkVrjq+0w6JV+BfkEUqFpCTH CRkAVhmk1vb5DGQ0KCGpLbCdT17+PG3OZ5iG8vABNkVv8GiPA3HfTsPnR4IEM8Rtu4hJSaUMdFl RXMEL90vbRvdAgJ93xOrd3EzeI1/oWrj0RVXXFkbKkW39Kuepm4KQ5xL6+T5XNGwrdVQTOAJrGV Cg4REZxGwP7CjFZYqdPH/EhzwSjgt90ffPQKBrTrMtL02wDgml2cWB+u/CPGEA9USw2w6+kGhPG nDTbrxUdXIeOc3svg33Vi+6y4oYbvRYxE9UXZfRAXqaxYxJhz7Gxo5zOrvljjO9WUQJeu/HeW3z NgJer0F9dU/7ZSN59VqrhHCsHxd2nUPd23JblyzmLHoYtC+Y/pou8DX3NeaRlgP+DQCCT2eySXn KawcEbEt7i1geo4JNWw== X-Proofpoint-GUID: q9u5b9qeT63hWZOkUOuh8q8AJGEbN6VI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-22_02,2026-01-22_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 malwarescore=0 spamscore=0 bulkscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601220115 Content-Type: text/plain; charset="utf-8" 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 --- 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; } =20 +static int spi_geni_target_abort(struct spi_controller *spi) +{ + if (!spi->cur_msg) + return 0; + + handle_se_timeout(spi, spi->cur_msg); + spi_finalize_current_transfer(spi); + + return 0; +} + static int spi_geni_probe(struct platform_device *pdev) { int ret, irq; @@ -1082,6 +1093,9 @@ static int spi_geni_probe(struct platform_device *pde= v) init_completion(&mas->rx_reset_done); spin_lock_init(&mas->lock); =20 + if (spi->target) + spi->target_abort =3D spi_geni_target_abort; + ret =3D geni_icc_get(&mas->se, NULL); if (ret) return ret; --=20 2.34.1