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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59A4FC432C3 for ; Mon, 2 Dec 2019 20:31:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 2AA6121835 for ; Mon, 2 Dec 2019 20:31:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="U6grs8U4"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ibwwyX4C" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2AA6121835 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=PwALndAe8ESJ+RG6jRtJAGkmx/t6CJsn1kl4tFiUJ3c=; b=U6grs8U42CZl7J UAa81Tu0MlGZizHx6fQxYGLWEZCJJE6r/viZVqaP7wOmIWCOzmw2l543GVQbhf2FcMUHSBnS8lv+5 niIrd1lwszYbfp79zHZWqUZTdULcwRlWDvSHdQ7KHCP0IelbEqLJBR/0bssuQ/JP1M/1/unfLg7wx Okqi8fQjA83qv4l0oOqwC3bgR765gmeVGYBcGySV3L2kyh0XoEPccvRg4zdmANz4tdXvjcavs1sFI r1viEuwZ4IAb3a6juv/igE62MMZJUoxG7OmonVCYLuHTMVGNvFYgHjrJgzMlWz4hUqx4DbQYEf2sl vorx4RLuSLkb7ZjMhnig==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibsMC-0005yO-Er; Mon, 02 Dec 2019 20:31:44 +0000 Received: from lelv0142.ext.ti.com ([198.47.23.249]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibsM9-0005xc-Ce for linux-arm-kernel@lists.infradead.org; Mon, 02 Dec 2019 20:31:42 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id xB2KVU2q064017; Mon, 2 Dec 2019 14:31:30 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1575318690; bh=WJ7/iDoH+LgZm+FTh1H3GU4VY8iNBVP3eVx3nZf37Js=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ibwwyX4C1bE891UNaonAVXRMx4ZwTY4Gfe3ExB59ZVRB+mLyo1AiwGq6KFphTiRhN /3OjZmoSlmWh35JsB26bZKAmsWRt8+I2j25SZdzbPV3bGOMeTTpazJGhcIydY9WL42 45wOkoCc7Sg+If53ly5IkB5/r9mqlBKq7RX7ypKo= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id xB2KVU89001490 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 2 Dec 2019 14:31:30 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Mon, 2 Dec 2019 14:31:30 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Mon, 2 Dec 2019 14:31:30 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id xB2KVOPm106889; Mon, 2 Dec 2019 14:31:27 -0600 From: Peter Ujfalusi To: Subject: [PATCH 1/3] dmaengine: ti: k3-udma: Correct completed descriptor's residue value Date: Mon, 2 Dec 2019 22:31:26 +0200 Message-ID: <20191202203128.14348-2-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191202203128.14348-1-peter.ujfalusi@ti.com> References: <0191128105945.13071-1-peter.ujfalusi@ti.com> <20191202203128.14348-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191202_123141_535441_B249D0DE X-CRM114-Status: GOOD ( 12.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: grygorii.strashko@ti.com, vigneshr@ti.com, tony@atomide.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The residue should show the number of _not_ completed bytes, so it has to be 0 when the full transfer is completed. Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/k3-udma.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index c1450b0a8224..1b929f7a84d4 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2784,13 +2784,14 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc, if (cppi5_desc_get_type(desc_vaddr) == CPPI5_INFO0_DESC_TYPE_VAL_HOST) { - result->residue = cppi5_hdesc_get_pktlen(desc_vaddr); - if (result->residue == d->residue) - result->result = DMA_TRANS_NOERROR; - else + result->residue = d->residue - + cppi5_hdesc_get_pktlen(desc_vaddr); + if (result->residue) result->result = DMA_TRANS_ABORTED; + else + result->result = DMA_TRANS_NOERROR; } else { - result->residue = d->residue; + result->residue = 0; result->result = DMA_TRANS_NOERROR; } } -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel