From nobody Mon Feb 9 16:52:29 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 27DB03559F8; Thu, 13 Nov 2025 15:16:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046982; cv=none; b=J1qVRS4AIi5Wo1P5nlJk4Gp0onqYEb/TTxfUo546zxe371lgGycDBAiG2hgOA+cG0ZhY1aDFKdr6LQwMUjuN0LEqRuYekUsfqM0pOPXQgZti3R6g4GHnRAOPzsHw97P1qEPyo0KEkbSDZnFigJfu39JuoRJ1DJMAFHDY+YUM1Bs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046982; c=relaxed/simple; bh=1Su3S1OYlS3Av5yiXyt302P5FfhwZUhZFXIJtWLZ5yY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lbOtR4Zn2cr5OV/UNLMiH675Gk45eszr46ktx66tQNiG/fqQNFADpc8y/m265OGoUm3cbOW2PbK8AjlIhv8UCX+PdMHk8j29wSI+Q+gkJDKo/RDEAtoXloKtePRAD0rOdEaRywrhc/HZbeZrx1N0hGluz7tW5Eb6NVgXjelps/8= 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=Lj+T3BZr; arc=none smtp.client-ip=192.198.163.9 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="Lj+T3BZr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046980; x=1794582980; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=1Su3S1OYlS3Av5yiXyt302P5FfhwZUhZFXIJtWLZ5yY=; b=Lj+T3BZrgR9YTAmbLt/NQ5bSrOvZyf+48dauO0lotPMY9l3eINkkDPBS ctNMk6YWweqpUjojdOmuXNktQ4hdEALdwFhWLVjDuoKiwKWTqDJAsZfOh mCE9iITpYoPI+aEGWCOdwrgPmRR/Diey5LKD/wGgOq2W52shJHydCwOG/ lTfSzDovSS2j2MHhUBYqEfjBrBJfaC53OgV8t6TBi0alZSTTjBbnoOVtP 4c62uQhwlA1a13aLV6eDwAOTZsCzfIcqzDeN+s6dxiwUqV58Rke6sk++d Rfj12DL9NgqbIrZ0LLmyBhOyhEHQ85ZDGcP+raC0fKGMdH1UWXbuxRc5q g==; X-CSE-ConnectionGUID: UdoTrrdDTcOHzdplXuO8eA== X-CSE-MsgGUID: cQlpvt77SDqh6sbK9/5xBw== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809665" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809665" 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 07:16:11 -0800 X-CSE-ConnectionGUID: ZrcshzK7Rmen4NdOTdDGrg== X-CSE-MsgGUID: armfIibfREi1XvODTfMFiw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684641" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 13 Nov 2025 07:16:05 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id C12E09A; 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 04/13] dmaengine: bcm2835-dma: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:00 +0100 Message-ID: <20251113151603.3031717-5-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> 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 0117bb2e8591..802b23be2fd8 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