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 8A698CFD313 for ; Mon, 24 Nov 2025 12:13:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=cwi5dnF3dpek4jXJULnJfgIW6KK1KnHzUaqp6GzvFq4=; b=YtUMByMN8gAam+i1ZyC/4QphnU +1WrQ96KKlGw8KPn6N5TNYSfKj+BNjhSU/+6nnyCUFLf2Gnh26MmYbe47tO8t9CgOZcN6N1UCVobi 4RDkqap3wTaPBSYK6E+cXpHrr9lsJgmgBz31AgVqEuKknVjxN6ZAu1bU88GsyvgwuZbWgcWxzgVKj p0H0IfZuQA5GnKkwabkJsEu9nn6c9FznNch0TLQEA0fu1JaLUwQg/8LhEZnpEbyY5eiDAiz5jC1KL 8hmItpwWVLNUt43Wfl+Sio/kT/cyGPRrG9XKvOyfywJFXjgGz1focwhX7+eld9Nm4pJf7YFpEPzd8 MZocXMmw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVRG-0000000Bd0B-47DO; Mon, 24 Nov 2025 12:13:02 +0000 Received: from mgamail.intel.com ([192.198.163.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQY-0000000BcRO-2300; Mon, 24 Nov 2025 12:12:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986338; x=1795522338; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=rUyODX56g/0PVw4q9uoPm3QtJgx5W1kE7M9udwy7iHM=; b=j8xkC9y6PGJN0ik00sDGRSaRO9e+0W9scUo6rTNTkEgDv1+DrsB1O7Ci rpDjRRfbj0Cm9mvzEYBliaUnfoJd4YLfHJZF+A9aeu22xeMJjlN71Ocqy 8KgOP25cDiWIwFaBCetepibWsZ9Bc/BplaqcKoCB7kVpDH8bEA16jVdbd razlQ4Cb+6IHjX1tUa/bM0q58sjrxqCRvrkz/tDzqVRmniJBi0hn0K9ZK qOTJgdaqXAHUQ7wL42lyPYOOXhp8v6jC3cqr032eij90/Vtv0GtgoD60A 7CkYc5/KTRRBPCbbDqfzObkFwthm3IuF63xmgRYW4x3jNJMmDsMbSefx9 g==; X-CSE-ConnectionGUID: TH611xIZTvCpHwxvh0Xowg== X-CSE-MsgGUID: VIyOKd3mQ3uHyeljTEmb6A== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91468004" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91468004" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:15 -0800 X-CSE-ConnectionGUID: nnXj4wckTvi9keb5yZ3x/g== X-CSE-MsgGUID: 7CI4VqycQDKBM7yw1yp7Tw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559576" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 24 Nov 2025 04:12:10 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 823E6AD; Mon, 24 Nov 2025 13:12:03 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , Andy Shevchenko , Stefan Wahren , Vinod Koul , Thomas Andreatta , Caleb Sander Mateos , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Cc: Olivier Dautricourt , Stefan Roese , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v4 13/13] dmaengine: xilinx: xdma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:31 +0100 Message-ID: <20251124121202.424072-14-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251124121202.424072-1-andriy.shevchenko@linux.intel.com> References: <20251124121202.424072-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251124_041218_562539_B580888B X-CRM114-Status: UNSURE ( 9.56 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Instead of open coded variant let's use recently introduced helper. Reviewed-by: Bjorn Andersson Signed-off-by: Andy Shevchenko --- drivers/dma/xilinx/xdma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/xilinx/xdma.c b/drivers/dma/xilinx/xdma.c index 5ecf8223c112..118199a04902 100644 --- a/drivers/dma/xilinx/xdma.c +++ b/drivers/dma/xilinx/xdma.c @@ -605,13 +605,11 @@ xdma_prep_device_sg(struct dma_chan *chan, struct scatterlist *sgl, struct xdma_chan *xdma_chan = to_xdma_chan(chan); struct dma_async_tx_descriptor *tx_desc; struct xdma_desc *sw_desc; - u32 desc_num = 0, i; u64 addr, dev_addr, *src, *dst; + u32 desc_num, i; struct scatterlist *sg; - for_each_sg(sgl, sg, sg_len, i) - desc_num += DIV_ROUND_UP(sg_dma_len(sg), XDMA_DESC_BLEN_MAX); - + desc_num = sg_nents_for_dma(sgl, sg_len, XDMA_DESC_BLEN_MAX); sw_desc = xdma_alloc_desc(xdma_chan, desc_num, false); if (!sw_desc) return NULL; -- 2.50.1