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Wed, 04 Feb 2026 08:29:28 -0800 (PST) Received: from hu-ptalari-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c6c8515f36esm2546878a12.29.2026.02.04.08.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Feb 2026 08:29:27 -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 v2 4/4] spi: geni-qcom: Add target abort support Date: Wed, 4 Feb 2026 21:58:54 +0530 Message-Id: <20260204162854.1206323-5-praveen.talari@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260204162854.1206323-1-praveen.talari@oss.qualcomm.com> References: <20260204162854.1206323-1-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-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDEyNSBTYWx0ZWRfX9LGG3LMhwUHO E+LKfeTf2W9/AV/rr4s1pCDTWoM/bJLaNcY3MG72+gsSLc1GTYCI3yC5NqBEzTbcIU0r3bdoApH 3a7/lsZFuNKRzVyCLgRsqkLeC40ZntZij4rI8G+OEwPxizC3+nx4DpPKSQfZUd/wHer9yGq+5NN erw12L9ibRGbDryJWCWCfnEHn9LZfeQCb4V8QuCGflVgnRZxF+oc9bviljqL0cqZQjbE8Gu5lkL DGY9yt4H2KX16SNSwunVbVdPR9js/LQBAb1htDiQZr/OFlSXKRgHb93cEhkXRawHXFpq8kAVZln vCNqErBlH+W+DvFoBS6/jkZoa0sFJYaHbx+kvBHYaXnog+bbubaHJetu7aiah93urSKTjnTHdjW YtU5vCLdmLGzc/mESEZ4yTOi/d11vJCdmj3QfcWW/0Zhsl68WXYLI1x9iHoJbxZ99qNOABdtev3 ZY4WTbF+rnVQFwbevWQ== X-Authority-Analysis: v=2.4 cv=IJoPywvG c=1 sm=1 tr=0 ts=698373e9 cx=c_pps a=oF/VQ+ItUULfLr/lQ2/icg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=ZHV-9eCtjRHb1jRugp0A:9 a=3WC7DwWrALyhR5TkjVHa:22 X-Proofpoint-GUID: LmGjzhWxlYXj6u0ZshyX7jvhnsbSmU2D X-Proofpoint-ORIG-GUID: LmGjzhWxlYXj6u0ZshyX7jvhnsbSmU2D X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-04_05,2026-02-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 lowpriorityscore=0 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602040125 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 Reviewed-by: Konrad Dybcio --- v1->v2 - Removed unused param from time out handlers. --- 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 5077dc041e3a..43ce47f2454c 100644 --- a/drivers/spi/spi-geni-qcom.c +++ b/drivers/spi/spi-geni-qcom.c @@ -1003,6 +1003,17 @@ 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_finalize_current_transfer(spi); + + return 0; +} + static int spi_geni_probe(struct platform_device *pdev) { int ret, irq; @@ -1076,6 +1087,9 @@ 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