From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 06E5E30BBAB; Mon, 10 Nov 2025 10:38:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771100; cv=none; b=COtw7gKYiGVYJgKgReZ52HZbko3qypQHHbWgdQo3YJGAavaOgmwgklpTfCmSq3hXjCvDq+D9BwA/S5RJu6sT+FsKFDUyHp6VK44V6Yi9krRnoP782Fa0iYuC2ms+V66upH4uQCxdrtdUVVmLfgCssX1P64eNLonfokL0cUeD4MQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771100; c=relaxed/simple; bh=XsqlCtPiLy+XmIRbck4ylskBkeyrZIVThqfjAn1sq0o=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SPgrsZwtztxJMo+e0ApYS9UBNhQotmi1Zk5CrRrNjqLNHGzHRUqYd2z1fHg8CG/icwWtX44KqniPwr6sqzkMilfeJ9784WMANNzGYjP5Tl610P/yGjNXQ5CfOeNOLG8aLfmJ4TjhBZbLDGkqQStKe5ODR0j6ak53ifQPEWoZEIU= 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=BaqJU7wx; arc=none smtp.client-ip=192.198.163.11 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="BaqJU7wx" 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=XsqlCtPiLy+XmIRbck4ylskBkeyrZIVThqfjAn1sq0o=; b=BaqJU7wxPYmjJfDG6zN4f1Fmg5B7QZxmv8GY8EEwKRhx5T4CKOb83X2M m0rCNWgla+Hguworxj2EXjyysq1ekuRfUaclIIW1gTaF3mlAIzqzkhVgn i7Xl8zoL2i/QYeuF4JDNFUtJMGdino1aOwt3ITrzgEYZHzzaD4OGiyuWc 8+OnrACPqrHMXcw/eiVovJaYdZEiclgnR83SdpmAo2OqqF6G9TGw+YxFF zDVO/xbmN5zZ2Huahx8/duVFwZLXp3sAUDEi/H5wB8gVtjevbE0TGgrhp 75Xn2En9Bg1jxeHzr5veqoaBIih6ee0JGaZOuyHilR/VPApzPNG8iCp3S A==; X-CSE-ConnectionGUID: yJmnB4CnR5OC9SGNgxUjIQ== X-CSE-MsgGUID: RHhzn2ZXSCOUwGZk5AnB3w== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="75428656" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="75428656" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:18 -0800 X-CSE-ConnectionGUID: YB99gmtmQfaV/LSvfgaycg== X-CSE-MsgGUID: TRm5i9mLQvehQQMNp9VGpQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="192750714" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa003.jf.intel.com with ESMTP; 10 Nov 2025 02:38:14 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 835C19B; 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 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:33 +0100 Message-ID: <20251110103805.3562136-7-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/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