From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (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 63DE63FD95B for ; Fri, 15 May 2026 16:26:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778862406; cv=none; b=G+PNEdJbOaEioOf4rkve4QCVBvw3LpAErZc70VHHubhKa5VDJrVTnxuqf9fUf/IZyiV1ixfc412LkiSjYX8/jlqMT75SYb/e9ASGRJRIN6aBdME1BKNI8UZh7GK/Ycie8/+5cxC1no66jpc97zy3gdTlkIFcqp+c5zr4cLC1WJo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778862406; c=relaxed/simple; bh=RXfFB7UJVDGcBk6zbniffn/NJbT+BI67ap0XTvRMXCE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=RlAzbYEwBegD2YypdlaJkIKnQM72D4ahX1CEQrdjp4zfnWZDvXPfORtTty+wz9nCrYnoS8PTzZ699PFBQtj8FuqAvaxTM1ln6hUB059m6nP4yRi5TRT27rgd8zoTeGGkg6pLdjb8Yplt5lZs9k0SfL0suINMW027QokZnPXEdSs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ZbWNwyNk; arc=none smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ZbWNwyNk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778862406; x=1810398406; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=RXfFB7UJVDGcBk6zbniffn/NJbT+BI67ap0XTvRMXCE=; b=ZbWNwyNkzSyq/lIiAq04mVBFGoyTtZWVMO0UqTp7vNHqUieRUacMGw02 OgaV3s7nF/F3pcK6zNcgVBZTWm3WDRYSP7F9pnLi42/br4KH8NWB9Rk1H y9Pmk6U81VJkVsSC3MS8wcoETna+Ud4jTnldPKHnuJkuCn2o7QthVs12D hilgnbGpYZkfcvwUE8/GjrKjA2BS4erwRhfDvd+gEzreW2ZOBCrn8uEif VR9YjaC1Qf37HtIjcr2LPLFRgdgMt9RFSU0c/0Vj+BfE4oIVk6DvVa1xp YjpKunkop33r8OejJ73+bLKJR+405ki9rOcMKec+bnp9njyYQhVmaKCj0 Q==; X-CSE-ConnectionGUID: W6x7eHyqRUScYbq+R29kOw== X-CSE-MsgGUID: pIwa3e7XRxKf3itHyG6sWg== X-IronPort-AV: E=McAfee;i="6800,10657,11787"; a="79785249" X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="79785249" 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 09:26:46 -0700 X-CSE-ConnectionGUID: dcBzboy5RomFr2iIVMRUxw== X-CSE-MsgGUID: DpizpCdUTRma0NRsOBln+A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,236,1770624000"; d="scan'208";a="238857197" 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 09:26:44 -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 06/17] i3c: mipi-i3c-hci: Call hci_dma_xfer_done() from dequeue path Date: Fri, 15 May 2026 19:26:10 +0300 Message-ID: <20260515162621.57719-7-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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Content-Transfer-Encoding: 8bit hci_dma_dequeue_xfer() relies on state normally updated by the DMA interrupt handler. Ensure that state is current by explicitly invoking hci_dma_xfer_done() from the dequeue path. This handles cases where the interrupt handler has not (yet) run. Signed-off-by: Adrian Hunter Reviewed-by: Frank Li --- Changes in V3 and V4: None Changes in V2: Added Frank's Rev'd-by drivers/i3c/master/mipi-i3c-hci/dma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index ad47bb2890d6..de0f17706ac8 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -635,6 +635,8 @@ static bool hci_dma_dequeue_xfer(struct i3c_hci *hci, } } + hci_dma_xfer_done(hci, rh); + for (i = 0; i < n; i++) { struct hci_xfer *xfer = xfer_list + i; int idx = xfer->ring_entry; -- 2.51.0