From patchwork Sat Mar 5 10:52:12 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Martin Sperl X-Patchwork-Id: 8509941 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 7F0989F659 for ; Sat, 5 Mar 2016 10:55:17 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9AC1B20260 for ; Sat, 5 Mar 2016 10:55:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BACF32022A for ; Sat, 5 Mar 2016 10:55:15 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ac9pe-00043h-UE; Sat, 05 Mar 2016 10:53:10 +0000 Received: from 212-186-180-163.dynamic.surfer.at ([212.186.180.163] helo=cgate.sperl.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ac9pW-0003zl-Mw; Sat, 05 Mar 2016 10:53:04 +0000 Received: from rasp3a.intern.sperl.org (account martin@sperl.org [10.10.10.43] verified) by sperl.org (CommuniGate Pro SMTP 6.1.2) with ESMTPSA id 6405646; Sat, 05 Mar 2016 10:52:35 +0000 From: kernel@martin.sperl.org To: Rob Herring , Stephen Warren , Lee Jones , Eric Anholt , Vinod Koul , devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, dmaengine@vger.kernel.org Subject: [PATCH v3 01/11] dmaengine: bcm2835: set residue_granularity field Date: Sat, 5 Mar 2016 10:52:12 +0000 Message-Id: <1457175142-28665-2-git-send-email-kernel@martin.sperl.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1457175142-28665-1-git-send-email-kernel@martin.sperl.org> References: <1457175142-28665-1-git-send-email-kernel@martin.sperl.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160305_025303_120780_90EFF4E3 X-CRM114-Status: UNSURE ( 5.26 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.9 (/) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Sperl , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Matthias Reichl Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Martin Sperl bcm2835-dma supports residue reporting at burst level but didn't report this via the residue_granularity field. See also: https://github.com/raspberrypi/linux/commit/b015555327afa402f70ddc86e3632f59df1cd9d7 for the downstream patch. Signed-off-by: Matthias Reichl Signed-off-by: Noralf Trønnes Signed-off-by: Martin Sperl Reviewed-by: Eric Anholt --- drivers/dma/bcm2835-dma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 996c4b0..2d72fe8 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -625,6 +625,7 @@ static int bcm2835_dma_probe(struct platform_device *pdev) od->ddev.src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); od->ddev.dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES); od->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); + od->ddev.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST; od->ddev.dev = &pdev->dev; INIT_LIST_HEAD(&od->ddev.channels); spin_lock_init(&od->lock);