From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 62A5C3054CC; Mon, 10 Nov 2025 10:38:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771101; cv=none; b=Vdy6aJKuzCma/+C6HEYNZwnXBFhUqJJA29C2oWlfOR62VG1Wiq/EZlXXuicrql3rU+KAbsf0dWqQ/bJPPAAlHMjz+nY5LWOZEKMbJSFa7442RjSFN1HhPPvhWzCZedxsi5ZytEMzjkLRdSV3SCQwmLSmEIM6jLbtqoBoa9PaVWQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771101; c=relaxed/simple; bh=8yAlrs00JSl0ed7bQ0uLXdi6Ey9t5OjHKtlhl1VgOJk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DqvfwuNcqHn8lXhLr1KQGuXwZrhHil3gUXvGoGvJFYLgtz+qClVFBUHpER67xXtsBDbm+vZExuoAWERXW1PCZS3AJF2FGd3Az4s1zdXQ8iH3gtMEUgLik38e2MwG/HxhAIXULUoSkjOCUFyCJjascVzOidgAueTRxABZEp3xzo0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=QH6PZUCd; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="QH6PZUCd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771099; x=1794307099; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8yAlrs00JSl0ed7bQ0uLXdi6Ey9t5OjHKtlhl1VgOJk=; b=QH6PZUCdJuqfr19WgbQHTJNsQvitwEDBAINTrvIQlLSS1HSQcn4uMKev oVmUQghcQTZNyTPiBU0TA0GyfyvwTm9eoAfjhZ2YI88YF4U0plUww/TLV pwG0dETdsRXq1gCwuWZk+0vvQiN6PjJ8a8V0nesDaCevuMLxgvH/iHJlg PjGBEj0caUQxryyRX+ZnjhanKdBjeQZC4YllRjW3jTl27n/CF4ESAlFt1 pblxdLGtBxFTxlJ1f1NpiLFHMl+HJtypXK1SP/xiSAbSahR200DcEin84 WIkE5VTrUM1vS8XXJqxPGOZdTFlB3wIz93ekUm6ObAQ5ad5+Ehv9a+Thh Q==; X-CSE-ConnectionGUID: qkIzMVr6RdSqZgW97N0Idw== X-CSE-MsgGUID: nZ+sKLg9SZapUrKxrPvsXg== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="75111770" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="75111770" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:19 -0800 X-CSE-ConnectionGUID: iB+mA8BnRL6lJ5u2cXHMGg== X-CSE-MsgGUID: lGPahJxqSQaaqozs/u17Ng== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="188384808" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa009.jf.intel.com with ESMTP; 10 Nov 2025 02:38:13 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 7E02F9A; Mon, 10 Nov 2025 11:38:07 +0100 (CET) From: Andy Shevchenko To: 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 , 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 v2 05/13] dmaengine: dw-axi-dmac: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:32 +0100 Message-ID: <20251110103805.3562136-6-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> References: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of open coded variant let's use recently introduced helper. Signed-off-by: Andy Shevchenko --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index b23536645ff7..493c2a32b0fe 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -850,7 +850,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, unsigned int loop = 0; struct scatterlist *sg; size_t axi_block_len; - u32 len, num_sgs = 0; + u32 len, num_sgs; unsigned int i; dma_addr_t mem; int status; @@ -867,9 +867,7 @@ dw_axi_dma_chan_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, if (axi_block_len == 0) return NULL; - for_each_sg(sgl, sg, sg_len, i) - num_sgs += DIV_ROUND_UP(sg_dma_len(sg), axi_block_len); - + num_sgs = sg_nents_for_dma(sgl, sg_len, axi_block_len); desc = axi_desc_alloc(num_sgs); if (unlikely(!desc)) goto err_desc_get; -- 2.50.1