From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 582873054C4; Mon, 10 Nov 2025 10:38:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771097; cv=none; b=aX8pEVUeRVJkadbzy2zj3Gy2O5/i0eU0cGDLD7ZHWaW7biIJpcCdKnv3xH+om+eyqdn9QM6irMhELePVZ/PV7pTKuZ5/1TkdA5A59XpmpSo6Qq7xwW7t6gSSfkcC1Md3Xg0e8FPongQPgeQ5Po8nSdfaHH1BknyfIP/eKQ+bwxA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771097; c=relaxed/simple; bh=Ux3YDPxRIRJcqm5FybObKjKYtBEmPBVV9iloQuSAsH0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rYMFYgmJwxQs/ZCWPOWPbxj2L41GbrxJ21kXMf1PRpkyL7Hcr9u2Bzn/fyhtq1RGJy2zAIMe0A7A1HyHPUMZYKsXXcdFo54IIEOY3awU0wNUB0rknmWExA81W7csCbT0KUFQ8tyXOxwDzTg2x8wos+UNeHoUguOnAkKwFh1oZ/A= 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=UYYxpLJ5; arc=none smtp.client-ip=192.198.163.15 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="UYYxpLJ5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771094; x=1794307094; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ux3YDPxRIRJcqm5FybObKjKYtBEmPBVV9iloQuSAsH0=; b=UYYxpLJ56cjJ/DqX4ztgsk+o13Uz2IyO+S/5ARrv42OuNBGpCbGLnxUZ jw8DCsQUmENCRnODEfbXc2eOZOp7rBlOYw+mLfr8q+AzYt8czjkEu1y3j ItZodr/v9WGGIl+UvKaVdgtYPVH/o9pwy5iJ/ylY1sy4IRNvvejGhfhz0 upRvYL71dKyZn6GazYDlJqEgxESSXByOL5EybR8Mc0v+fPA78J617ApNW ClAt03n8tmYt7PziFvOMBBY8F8pFDCDjBL7LmPqtko+l30enbnmMm+F2M cypW4x0SY+ovs9V1qc4uoaDo7Uby4S6dPbk3i1u3IDQdnPjLKid1MRtsp w==; X-CSE-ConnectionGUID: JZQ/2rgQT1GszxIRsiUJDQ== X-CSE-MsgGUID: 2h3nOemkT+u+TdN52gviJQ== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="64907219" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="64907219" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:13 -0800 X-CSE-ConnectionGUID: LIP04zOORreySQZMlK9cMg== X-CSE-MsgGUID: ybY7gYwFRaiOboFvVla2rg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="219369242" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa001.fm.intel.com with ESMTP; 10 Nov 2025 02:38:08 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 6FA7397; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:29 +0100 Message-ID: <20251110103805.3562136-3-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/altera-msgdma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index a203fdd84950..48d2a0e638bb 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -396,13 +396,12 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, void *desc = NULL; size_t len, avail; dma_addr_t dma_dst, dma_src; - u32 desc_cnt = 0, i; struct scatterlist *sg; + u32 desc_cnt; u32 stride; unsigned long irqflags; - for_each_sg(sgl, sg, sg_len, i) - desc_cnt += DIV_ROUND_UP(sg_dma_len(sg), MSGDMA_MAX_TRANS_LEN); + desc_cnt = sg_nents_for_dma(sgl, sg_len, MSGDMA_MAX_TRANS_LEN); spin_lock_irqsave(&mdev->lock, irqflags); if (desc_cnt > mdev->desc_free_cnt) { -- 2.50.1