From nobody Tue Feb 10 19:16:31 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 359BD357730; Thu, 13 Nov 2025 15:16:22 +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=1763046984; cv=none; b=nsdcNu4kbdh4l09Intk6j1WLiCQ2EcOLxAi5FM0v1+AkbiwLx8ju9QiW0gLX+KRHcFeSTkos9hzyUi5KYVnwsCka8Br8kNpt+YftF+8jhofbJ5jCQUpAlVq0W7nJTgcTyWv0wGnr50zptCT6IAHf0HVaR5JRoesVOY0ZiiYXVCI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763046984; c=relaxed/simple; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=iQaF7Cz2fvxiGwMmDlydFs4xNxzcgKqXh8/cHXgG/Uhlp+DnIjR8lGbtvZCMwnoTETVEn0UxoQ3M5hK+hR4UIN6KUrIkIPNAtXjM4U01KLdYNTvlV7s0nJ7LV5wxOAbJtolV7bWLrRyzN4ePvOtdp5nCxFTk92ra1GeAbPyx+X0= 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=Rdy9CYJk; 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="Rdy9CYJk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763046982; x=1794582982; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; b=Rdy9CYJkOI8Jx/pmj1+6yRC4HR8zXKVemo1TRBXQkYUv1Fy9ixPFqVvu 3eR2NuARplN0zZhhHT2z0DV3hkzssVkZDN67y8mm46C8GKCmJjMxOqdWd UTyxPelcwIyVoc8jKMuPDXg32K5Y8jQxC1jCBYSbqOT0CrYg3bCgkJCwO 9Kh7U/tp6Ya9NQdSyDyOHmZucbtDeLIUBxA0dhy4hLX/KKFTbMOTNDVXS 52SoxUciWdelSzJHOXt/YS2XBBzXpEUQSpS6Av4gePRTIvy1Z5yoLRBJ0 xNWZlokXxVNQeymKgQQKilVlLwc5uO6E0C4X+z3uX3QLA17eacQvifEWF g==; X-CSE-ConnectionGUID: ltUjckvhTKS6OnCqJ9vRdw== X-CSE-MsgGUID: kY5mBJXCRHuryN8+E9+XGA== X-IronPort-AV: E=McAfee;i="6800,10657,11612"; a="75809709" X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="75809709" 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 07:16:17 -0800 X-CSE-ConnectionGUID: ZCWWQCajQ8KTqkyEIl9qgw== X-CSE-MsgGUID: WAwxt83BTDSq/BTv9XYEAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,302,1754982000"; d="scan'208";a="194684669" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa005.jf.intel.com with ESMTP; 13 Nov 2025 07:16:11 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id CB1019C; 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 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Thu, 13 Nov 2025 16:13:02 +0100 Message-ID: <20251113151603.3031717-7-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/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_sl= ave_sg( size_t len, avail, total =3D 0; struct scatterlist *sg; dma_addr_t addr, src =3D 0, dst =3D 0; - int num =3D sglen, i; + int num, i; =20 if (sgl =3D=3D NULL) return NULL; =20 c->cyclic =3D 0; =20 - for_each_sg(sgl, sg, sglen, i) { - avail =3D sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num +=3D DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num =3D sg_nents_for_dma(sgl, sglen, DMA_MAX_SIZE); ds =3D k3_dma_alloc_desc_resource(num, chan); if (!ds) return NULL; --=20 2.50.1