From nobody Sun Feb 8 06:05:33 2026 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 03FED4A5AF0; Thu, 8 Jan 2026 10:56:36 +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=1767869805; cv=none; b=n1LIFYoh6/YzowlDQwBtQV8QoKcNZgaBlmoFhd03iJ9T9n7HXd9WZBHvUVHXoxdppczKEc035dnQEv/Xo+/bUyKx4jhlfCNkjn6d/lGmo+oS+soQWNct470b53aW59BytI+UQH3u8SQFlaIAJUa9RC4RQgWYohKbo6RvC39GGBg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869805; c=relaxed/simple; bh=iHVq+79pb8Yq4SdLxvoeSS6py1B5FyegYsoIgEHQMaA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=crWT+cepuFC9MFvuyTjVDeUMO/P6p+Bs3rLtymChlgQuIlPtcPuWYqNZ7hK/mYbR37SjBQZW8YGUn2FUAfvNU7SuAiRdmXiSEp8k6gS/aSlxopcnQstFz5rkshm/F573CxmAY6BptsQ1gPt8cdssi0LqxGTXa5dyQQFBVDtYNkA= 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=H4zdEfry; 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="H4zdEfry" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869799; x=1799405799; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=iHVq+79pb8Yq4SdLxvoeSS6py1B5FyegYsoIgEHQMaA=; b=H4zdEfrycsJBBoNlB93VIX8UqNKZjgQnUYnb/GQTX41FLSCiM8MiPydI YrwwjfgEj3IrClBe5xtKgxlot5699MO/M2WC+N6b70llpQi1BRqGHJYqp tDSmlGTMKuh+JKwZS1QGr/FIoc3kU+NbpnUqhtWsn73Li2tInLbm081Kp z7l5XypF5FsINAcrIQRELC2rVFu4S6mgEv/b9+t2x+TF4m1fjpL5SNVw7 6+XnIOBy6FiVi8S2yZ0XuAdrUddXZsQojX0oV3+7zoCQPTFdu/7UqmD4P qkd5jKih4YltvDkdu6HHowkKBve5RNqvhvxnTpOFTgok5MeLcwteELF9L w==; X-CSE-ConnectionGUID: hoXDcAF7TH63uAXQk9JFlw== X-CSE-MsgGUID: 7+DHSaFDS829wnC+SKNc9A== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="79886167" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="79886167" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Jan 2026 02:56:33 -0800 X-CSE-ConnectionGUID: qwS2kr8bSuOOdOFkEdNwNg== X-CSE-MsgGUID: hHkm5BXrQlOpnfQ0U7iDZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203091232" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa006.fm.intel.com with ESMTP; 08 Jan 2026 02:56:27 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 5977FA2; 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 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:17 +0100 Message-ID: <20260108105619.3513561-7-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/k3dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index 0f9cd7815f88..63677c0b6f18 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