From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7BFEECD343F for ; Fri, 15 May 2026 16:26:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=QhwHr3ITMA/IVaX/VBj8YGh0N6aAta9kDGecsYpRqEU=; b=M7FiEuNPd0c/cO t8CxvaDBf/JrQS2DehxzbJqKws4Hvb1oRsEyEIxW1/VBG1w/tsiGIntyLdZJUvgG3U9YjmcyvPF2b 9o9XYsfBikOdBUD2lZP2HY5QiFTR0oMr3YmKftmWFWMUKFW91iaDZiYx15UlCGAvb7kwIBqsf0kEz tBpg6QqCeD74RHxYjwRFktlNY1aZntM05dXtRXkefM/oTWx0J40eVIf2SigGwxjkqpuwkzFgj9bq6 AskUrOaypVRB4DuuXZUJvQfd7AMpgpI6dA6fq+Jqn53HfM+C36cMEX/bsnviUFqlD9Sw/md7EPPJS D7uX5/g96XPzQS1vu8jQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wNvNI-00000008rUy-10Av; Fri, 15 May 2026 16:26:56 +0000 Received: from mgamail.intel.com ([198.175.65.19]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wNvNF-00000008rJ2-1BjY for linux-i3c@lists.infradead.org; Fri, 15 May 2026 16:26:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778862414; x=1810398414; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FSUUfb0G+Gxwh81FaCHidOvdNJ83lqm7ZkEkFCNbAyg=; b=ZeMKGfaYcvqmSP05gqkyLCCG839XwNZIpBpfswFTUUIdC606qKwdhHdy YfbI7xp8q2BBZw4LtSeI3ouwk8VW9fu/M/f/2xBoDbvdLthY0LMNPerhc fd7hYQWrvFdffiSk9+EJiIo9ZjAYWHI9JLs7asgUqDlmSsGiZk8k2x+ux rZWM2ljoarUg5aDW1v8HpfoRMllDC9Wp4Wd1ruJjW1BU4LHuECIDw+tGk 6kzfXj4Fs6zkfze62ia8jOjpTBBVQN41RSLKjH55oS10iZJhuguMvDFeZ q/6ygJt4vXptesto+pG9gRbJ2Suu60IXxriX9Su986kyOKsyZ05N0FHRW g==; X-CSE-ConnectionGUID: jYWlBieMQ4KqaQNO3QdFyQ== X-CSE-MsgGUID: bZflLUqKTn29mgbeIjvbxQ== X-IronPort-AV: E=McAfee;i="6800,10657,11787"; a="79785278" X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="79785278" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2026 09:26:53 -0700 X-CSE-ConnectionGUID: H6K3jIM7SwGuwslSecwHOw== X-CSE-MsgGUID: zdIyBGnpSk+xXlsXw3CqrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="238857244" Received: from ijarvine-mobl1.ger.corp.intel.com (HELO ahunter6-desk) ([10.245.245.28]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2026 09:26:52 -0700 From: Adrian Hunter To: alexandre.belloni@bootlin.com Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH V4 10/17] i3c: mipi-i3c-hci: Factor out hci_dma_abort() Date: Fri, 15 May 2026 19:26:14 +0300 Message-ID: <20260515162621.57719-11-adrian.hunter@intel.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260515162621.57719-1-adrian.hunter@intel.com> References: <20260515162621.57719-1-adrian.hunter@intel.com> MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo, Business Identity Code: 0357606 - 4, Domiciled in Helsinki X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260515_092653_387885_4D88A694 X-CRM114-Status: UNSURE ( 8.07 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org Factor out hci_dma_abort() from hci_dma_dequeue_xfer() in preparation for further changes. Signed-off-by: Adrian Hunter --- Changes in V4: New patch drivers/i3c/master/mipi-i3c-hci/dma.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index 906de7dbfdb5..f2d33068b8df 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -597,6 +597,13 @@ static void hci_dma_xfer_done(struct i3c_hci *hci, struct hci_rh_data *rh) rh_reg_write(RING_OPERATION1, op1_val); } +static void hci_dma_abort(struct hci_rh_data *rh) +{ + reinit_completion(&rh->op_done); + rh_reg_write(RING_CONTROL, rh_reg_read(RING_CONTROL) | RING_CTRL_ABORT); + wait_for_completion_timeout(&rh->op_done, HZ); +} + static void hci_dma_unblock_enqueue(struct i3c_hci *hci) { if (hci->enqueue_blocked) { @@ -623,9 +630,7 @@ static bool hci_dma_dequeue_xfer(struct i3c_hci *hci, hci->enqueue_blocked = true; spin_unlock_irq(&hci->lock); /* stop the ring */ - reinit_completion(&rh->op_done); - rh_reg_write(RING_CONTROL, rh_reg_read(RING_CONTROL) | RING_CTRL_ABORT); - wait_for_completion_timeout(&rh->op_done, HZ); + hci_dma_abort(rh); spin_lock_irq(&hci->lock); ring_status = rh_reg_read(RING_STATUS); if (ring_status & RING_STATUS_RUNNING) { -- 2.51.0 -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c