From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 9621628982A; Mon, 5 May 2025 23:14:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486857; cv=none; b=Hb6VfvGzrRNtxT1YuLaNfGh52VTPIAOyQifmMMp1JGg4CHqxeTFIIVxCRRWGZXjYSa3fjAKNMi4mxEAotJGNpsbjDnehtFL0X6+Stymp0kulmEnqNlTefMyJxZJKxvK8G4cYIakjMY/W+QAtmFrbdpIU4usscR9UYoO9jDCjxVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486857; c=relaxed/simple; bh=0EWvK4TsmZ4hBZAMOT+xfxdc3HMMgFzeks/y6hvpEGE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=EheZwb3FsL13w0TdheB5s1AoK2JBAZeeE5sd9YB+9sMxBscgfRdAlIWLlmtUW7XpYFg9aNyGzo0EutPGXavEKaMX7DCwe9YJavigO67QR4qyNcYGwMpVvOihm1HSZzabdGUqWIClAiuQDHQmQS5roGqB5eLILmOsK99xYSSLImQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QU/rqBrK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QU/rqBrK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 723C5C4CEED; Mon, 5 May 2025 23:14:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486857; bh=0EWvK4TsmZ4hBZAMOT+xfxdc3HMMgFzeks/y6hvpEGE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QU/rqBrKUH6KumuPQzsv7iuz6wovWmMAiFAIrM9vfJO1CIXpjvpKGQen3S3pCLBOx ahhooVH7vfei2Iy+Yh+SHBbLNZLgTU81f4uHZlDenC60L4QorwK1AJcZAslANCuyzG PDAYHp7/1l0t96xzKGs2oZYxzDjfUAM2FUloThEmCI/t4ItzQ/HQiVE2E5nqV08z/3 5DqKBXBmmwAgqfNTsBtgyLXPzZh/SrKFlBXAE04Dh69qGPHQV9P7w91xEg5mwz4PZS nCTbiyFfwSUqaHO2n6kllfkuJ/YF0i10LIrVF0sqtYJW88ftVuoodgEQu09KrvAkZ4 /JQwrl/8mFagg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stanley Chu , Frank Li , Alexandre Belloni , Sasha Levin , miquel.raynal@bootlin.com, linux-i3c@lists.infradead.org, imx@lists.linux.dev Subject: [PATCH AUTOSEL 5.15 028/153] i3c: master: svc: Fix missing STOP for master request Date: Mon, 5 May 2025 19:11:15 -0400 Message-Id: <20250505231320.2695319-28-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505231320.2695319-1-sashal@kernel.org> References: <20250505231320.2695319-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.181 Content-Transfer-Encoding: 8bit From: Stanley Chu [ Upstream commit 0430bf9bc1ac068c8b8c540eb93e5751872efc51 ] The controller driver nacked the master request but didn't emit a STOP to end the transaction. The driver shall refuse the unsupported requests and return the controller state to IDLE by emitting a STOP. Signed-off-by: Stanley Chu Reviewed-by: Frank Li Link: https://lore.kernel.org/r/20250318053606.3087121-4-yschu@nuvoton.com Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- drivers/i3c/master/svc-i3c-master.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c index 368429a34d600..92488ba5b5f2a 100644 --- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -437,6 +437,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work) queue_work(master->base.wq, &master->hj_work); break; case SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST: + svc_i3c_master_emit_stop(master); default: break; } -- 2.39.5