From nobody Sun Feb 8 12:19:09 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 376844A5B04; Thu, 8 Jan 2026 10:56:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869802; cv=none; b=VvJrKsaOrPhQVXbWws+69nEDjd56DOJU24NDLRmnLr4LggO4jwBg9+ND5pSBrsBuXCJ/hJ59SKeAHHpvd3tCQuBbkgemH/FresMHY4eUyt7qGR+UKRU7/5UhUab3bqwMzIVzebPkTi8N/6R0gG68CKaFFfTDZP3bdD4Z+Zij/9s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869802; c=relaxed/simple; bh=QsLTBFLRSsqzKbhE6ZxuHj1l34g02g1XFbZdK2cy1fs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KHjcpFh8sMEj5UTO+2itRnUkR+Fb4CM7SAqpZzcdmoyk5t0/KUPgoCY4+G+/Wq9FA1ZUZr8cTxHrr+QzPxK48WMIVVMAa4pVtV9IDiKXaovqctUBcdrC7KJnZk9jpp//wR3iTuSUYabX/YkN7g83MxCJh69ciSDysbFQgUfm9W4= 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=TG+tR8Ov; arc=none smtp.client-ip=198.175.65.13 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="TG+tR8Ov" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869796; x=1799405796; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=QsLTBFLRSsqzKbhE6ZxuHj1l34g02g1XFbZdK2cy1fs=; b=TG+tR8OveQx5FY7gyZOkRUyTTd0La/q32n0nZDJ9usXLghxqG0uUcVFk OKj6g+Mke5HJqHcK7+S2DwhpKGRzEfjaPfg5Um9HUgdpKy2r2M+SDELdF tjpKqjtmY2OIveHpDwJCXtBZptx6OgJc1IpH2gc//fQAtff3lEvXKJ7Yr HBUIZevwNuQ0lxK9f+HCO7R2YeSJ+wc8YlXdCKof4NLUqEts/oLi+MV1F TcWHMgYiaNR+PneFDa4fW43yADpdH5PjNAObf4Xu7L99aH3hNXgo8NDrU SxmIHyatzHh3gVUbjvTuI6Mfsh2Io3Lnyl6MmcYyJCnRMEmhspwYPhPWO A==; X-CSE-ConnectionGUID: KBgAy7jaQmGf8F6lNX5LXQ== X-CSE-MsgGUID: gdrltfU9TPeoRJislMx2gQ== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="80354531" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="80354531" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 02:56:27 -0800 X-CSE-ConnectionGUID: iy3iIMreQ6a/mDhF/dca9g== X-CSE-MsgGUID: wlX6BSnmRU22UNKliXDG6g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203615535" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa009.fm.intel.com with ESMTP; 08 Jan 2026 02:56:21 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 4FFB19E; Thu, 08 Jan 2026 11:56:20 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , Andy Shevchenko , =?UTF-8?q?Nuno=20S=C3=A1?= , Vinod Koul , Bartosz Golaszewski , 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 v5 04/13] dmaengine: bcm2835-dma: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:15 +0100 Message-ID: <20260108105619.3513561-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260108105619.3513561-1-andriy.shevchenko@linux.intel.com> References: <20260108105619.3513561-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Instead of open coded variant let's use recently introduced helper. Reviewed-by: Bjorn Andersson Signed-off-by: Andy Shevchenko --- drivers/dma/bcm2835-dma.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index 321748e2983e..3f638c3e81cd 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -260,23 +260,6 @@ static void bcm2835_dma_create_cb_set_length( control_block->info |=3D finalextrainfo; } =20 -static inline size_t bcm2835_dma_count_frames_for_sg( - struct bcm2835_chan *c, - struct scatterlist *sgl, - unsigned int sg_len) -{ - size_t frames =3D 0; - struct scatterlist *sgent; - unsigned int i; - size_t plength =3D bcm2835_dma_max_frame_length(c); - - for_each_sg(sgl, sgent, sg_len, i) - frames +=3D bcm2835_dma_frames_for_length( - sg_dma_len(sgent), plength); - - return frames; -} - /** * bcm2835_dma_create_cb_chain - create a control block and fills data in * @@ -672,7 +655,7 @@ static struct dma_async_tx_descriptor *bcm2835_dma_prep= _slave_sg( } =20 /* count frames in sg list */ - frames =3D bcm2835_dma_count_frames_for_sg(c, sgl, sg_len); + frames =3D sg_nents_for_dma(sgl, sg_len, bcm2835_dma_max_frame_length(c)); =20 /* allocate the CB chain */ d =3D bcm2835_dma_create_cb_chain(chan, direction, false, --=20 2.50.1