From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45D8D2BEC23; Fri, 4 Jul 2025 08:42:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.132.182.106 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751618525; cv=none; b=IqSyQg32iZ0Pux1WxXZwyYkt9hM5d1Z6ozxR/nsxO+Y1dLUOqKjwMU98O+wkAA9+ixP9Hyzq9q3geEUqpfH8Pl0PvsIQUXUk7FFfLmjPBFCLH8VLDDvEVRSK+kiy4DQ+/mSla9oxTJz845CVQOuumxoufiBRtVi2SCJtr4A+LKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751618525; c=relaxed/simple; bh=4qUbDwkN9/q0s1oaxoJhdRztUt05RT4Ty+UDzVW0BfE=; h=From:Subject:Date:Message-ID:MIME-Version:Content-Type:To:CC; b=QqqjL8MCvtL87EUIUy6lwoXQ2mHY5HycDEjZCfIqA3LR8W0Gs9qDRZYLnpRov3hAThI8qrLVEsypLb3iOlPfrNP5+IhX0N3SU2X4mKhs6Dd+bxVEjTr3zZEqO00sfwbgZx3H5hH6721OlgyzXdQB/DFJwZkXmMyIfbjwKksWehA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com; spf=pass smtp.mailfrom=foss.st.com; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b=QmrquhH1; arc=none smtp.client-ip=185.132.182.106 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=foss.st.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=foss.st.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foss.st.com header.i=@foss.st.com header.b="QmrquhH1" Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5647ZtTI015069; Fri, 4 Jul 2025 10:41:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h= cc:content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=selector1; bh=SG1Uf3WWZKbhZvXehI/zWs a4U/GR4wtbqsoht1Gvc/s=; b=QmrquhH140RmkusdKGMoRkObmTKMLtwuLmEXU5 wmSkUun+22sj1wVLDVEVRsnGu4tBT+iYggKLdQrW3tT3iB55Cndsx+sCwcbkLHSw qY/e4APbVTFRDu2IfqWzeL/Qk7Fz8guiua0XZUmiTySeKBPhTq0CTQOsyZ3+KqQU aHQomihSjdRo/ZmnxcxGvuxiXDOnmLRn5J06upV1tWs8JjSagMR4GIqmLs+hhKEO mJfUOjGFuzyRPluIjYqMaiw3Wi/sirTIirPmVe7jALRVTVSwgYr9bc4wNsrUQu4+ 5rpV+3eFvlRBQZuFsWd7EsnrGg2xbjoZVshkJtF76eLiEElg== Received: from beta.dmz-ap.st.com (beta.dmz-ap.st.com [138.198.100.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 47j7r6kx8p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Jul 2025 10:41:45 +0200 (MEST) Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-ap.st.com (STMicroelectronics) with ESMTP id 98DAB4004D; Fri, 4 Jul 2025 10:40:31 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node2.st.com [10.75.129.70]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 8586A48213E; Fri, 4 Jul 2025 10:39:36 +0200 (CEST) Received: from localhost (10.48.86.185) by SHFDAG1NODE2.st.com (10.75.129.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Fri, 4 Jul 2025 10:39:36 +0200 From: =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= Subject: [PATCH v4 0/3] Fix STM32 I2C dma operations Date: Fri, 4 Jul 2025 10:39:13 +0200 Message-ID: <20250704-i2c-upstream-v4-0-84a095a2c728@foss.st.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-B4-Tracking: v=1; b=H4sIADGTZ2gC/2XOTQ6DIBCG4as0rIuBGUDtqvdoukCklYU/AUvaG O9etBu1y2+S581MJFjvbCCX00S8jS64vktDnE/ENLp7WurqtAkwkExCTh0Y+hrC6K1uqZWVKiX jKEtNEhm8fbj3mrvd025cGHv/WeuRL9dfSHG1D0VOGRVQYy0xF1bJ66MPIQtjZvqWLKkIG378I 0LiheFCAoqC1+af44YjO3BMPNeAugKlCtR7Ps/zF4+/vAAoAQAA X-Change-ID: 20250527-i2c-upstream-e5b69501359a To: Pierre-Yves MORDRET , Alain Volmat , Andi Shyti , "Maxime Coquelin" , Alexandre Torgue , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , "M'boumba Cedric Madianga" , Wolfram Sang CC: Pierre-Yves MORDRET , , , , , , , , =?utf-8?q?Cl=C3=A9ment_Le_Goffic?= X-Mailer: b4 0.15-dev-7616d X-ClientProxiedBy: SHFCAS1NODE1.st.com (10.75.129.72) To SHFDAG1NODE2.st.com (10.75.129.70) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-07-04_03,2025-07-02_04,2025-03-28_01 This patch series aims to fix some issues inside the driver's DMA handling. It also uses newer I2C DMA API. Signed-off-by: Clément Le Goffic --- Changes in v4: - Patch[1]: Remove all `chan_dev` variable occurrencies - Patch[2]: - Refine commit message - Use the dma_callback to factorize the code - Patch[3]: Refine commit message - Link to v3: https://lore.kernel.org/r/20250630-i2c-upstream-v3-0-7a23ab26683a@foss.st.com Changes in v3: - Add Alain Volmat's "Acked-by" on patch 1 and 2 - Link to v2: https://lore.kernel.org/r/20250627-i2c-upstream-v2-0-8c14523481dc@foss.st.com Changes in v2: - Fix the dev used in dma_unmap also in the error path of `stm32_i2c_prep_dma_xfer` - Add a dma_unmap_single also in the ITs error handler - Add Alain Volmat's "Acked-by" on patch 3 - Link to v1: https://lore.kernel.org/r/20250616-i2c-upstream-v1-0-42d3d5374e65@foss.st.com --- Clément Le Goffic (3): i2c: stm32: fix the device used for the DMA map i2c: stm32f7: unmap DMA mapped buffer i2c: stm32f7: support i2c_*_dma_safe_msg_buf APIs drivers/i2c/busses/i2c-stm32.c | 8 +++--- drivers/i2c/busses/i2c-stm32f7.c | 56 +++++++++++++++++++++------------------- 2 files changed, 33 insertions(+), 31 deletions(-) --- base-commit: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af change-id: 20250527-i2c-upstream-e5b69501359a Best regards, -- Clément Le Goffic