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 5FEE2CD6E78 for ; Thu, 13 Nov 2025 15:17:00 +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=ANKj4jp6I7cTqtYGjCbyOmjH5fDakme+oSUms68uteg=; b=bYFRx9y/y2ByqfhSv41lDN+sCd a6unJwMttNDucYosGrIDqgGiwPeVj8mGAEcshIW2Ar3g0t/UdEt5S/6z4agvF4kSG3ZIjqjayW6t0 JmdkTGWNCcYZXUHMbjf3/OuozeoCK1saYNywtmLfcnsm+VSkZGtXz5uE1b6KKvHcanj1oT+tlFf0c cXz2/4rVd3en+Y6RG6SUcrzZacefEesbBO4mkYG3Pm4psQmWBk8lF7McSDG90+p0YCOIZAG4Rh7OB Ou1hJxoVmHrmnTLID3nEWMl4Y8XFEIV3qBtPHU9qyAr/h5PD+UWYE3VTGXjzceAl+JZY52pvuXA3T /MRiLfKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ4A-0000000AhLY-0y9o; Thu, 13 Nov 2025 15:16:54 +0000 Received: from mgamail.intel.com ([192.198.163.9]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJZ3d-0000000Agpj-3sCj; Thu, 13 Nov 2025 15:16:23 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046982; x=1794582982; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; b=Rdy9CYJkOI8Jx/pmj1+6yRC4HR8zXKVemo1TRBXQkYUv1Fy9ixPFqVvu 3eR2NuARplN0zZhhHT2z0DV3hkzssVkZDN67y8mm46C8GKCmJjMxOqdWd UTyxPelcwIyVoc8jKMuPDXg32K5Y8jQxC1jCBYSbqOT0CrYg3bCgkJCwO 9Kh7U/tp6Ya9NQdSyDyOHmZucbtDeLIUBxA0dhy4hLX/KKFTbMOTNDVXS 52SoxUciWdelSzJHOXt/YS2XBBzXpEUQSpS6Av4gePRTIvy1Z5yoLRBJ0 xNWZlokXxVNQeymKgQQKilVlLwc5uO6E0C4X+z3uX3QLA17eacQvifEWF g==; X-CSE-ConnectionGUID: bZsJyP4dQQCEfJ+Rd9LblA== X-CSE-MsgGUID: bSjK6QeLS0+YGPKkNPHaVA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809710" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809710" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Nov 2025 07:16:17 -0800 X-CSE-ConnectionGUID: ZCWWQCajQ8KTqkyEIl9qgw== X-CSE-MsgGUID: WAwxt83BTDSq/BTv9XYEAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684669" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 13 Nov 2025 07:16:11 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id CB1019C; Thu, 13 Nov 2025 16:16:04 +0100 (CET) From: Andy Shevchenko To: Andy Shevchenko , Bjorn Andersson , 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 , Broadcom internal kernel review list , Ray Jui , Scott Branden , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v3 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:02 +0100 Message-ID: <20251113151603.3031717-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251113151603.3031717-1-andriy.shevchenko@linux.intel.com> References: <20251113151603.3031717-1-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-20251113_071622_004538_20C73A45 X-CRM114-Status: GOOD ( 10.03 ) 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/k3dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index acc2983e28e0..88f9a2952edc 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -536,19 +536,14 @@ static struct dma_async_tx_descriptor *k3_dma_prep_slave_sg( size_t len, avail, total = 0; struct scatterlist *sg; dma_addr_t addr, src = 0, dst = 0; - int num = sglen, i; + int num, i; if (sgl == NULL) return NULL; c->cyclic = 0; - for_each_sg(sgl, sg, sglen, i) { - avail = sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num = sg_nents_for_dma(sgl, sglen, DMA_MAX_SIZE); ds = k3_dma_alloc_desc_resource(num, chan); if (!ds) return NULL; -- 2.50.1