From nobody Tue Dec 2 00:45:58 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 F25A42FF663; Mon, 24 Nov 2025 12:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986342; cv=none; b=q4EuDv8+VMHOtI77mUm5B2TBRNyS4Dv7zBGCxurbyOpzcgx38LM0SMi2R0KpDLGmNmglh3I8yzngvUGHBdqNZW7Ruv3jEru9B2M4EboA6EG+OvpGm5pgQDsT1TgUbceWW3FtW/YulKMnIBAlXGh7BcjaRrYb5S/oz0rvVpdKsS8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986342; c=relaxed/simple; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j9JAdMGd5Sv89Haqb/Eq+oxUGt/GN1jA5aFygS2MlhsHSx2VQn/6+fqzzsb4+/qVzHogzbIwGJqV/sCOtnPS9v9GTC7tH/XNifgAjAq0oK/uCzSItLY0pv8G9+U7YsVy5cKnSTjr+eT6B8/TXr7rvKWdzDxPtfbBEVvvq6obS3c= 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=VCrZL4kk; arc=none smtp.client-ip=192.198.163.7 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="VCrZL4kk" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986339; x=1795522339; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; b=VCrZL4kkP/55orkgEchC+T9PDYTOIoiptM37kOSs41Fswlqy9I6WC3If d3lqgnyQ5WQ5jtwJLCqz4kTgIcGcEDtEGtnkdoORrquIwWGW/+/RE1OHs 0SNI/1Uzb+1L86fWmR5iObKWyJn/NuHPmNIlnL93q2SZPpTa6WwjcOxPl 1xQle2T8kjMj9Va9PhcWEv2iM38fzAJzqD7JMQKpt7YdSufJ1KcJhdGUY gpJ21IgGStljGtPZi/CIjBDnaBOtG8gHd7JMjauoYzOaEtjhU7LwKc6YE sT7MgEYnrLC8iNPi4cl916lseckgNVUwgGKKmm/n2LJRq2ThxSRUwbtxl Q==; X-CSE-ConnectionGUID: lEracMilTJC7itXDr1WuGQ== X-CSE-MsgGUID: K3PJ6//LSu+K/qeK0ifuOw== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467960" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467960" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:15 -0800 X-CSE-ConnectionGUID: J8Apy+NdRdG8m6rJd8K6Ig== X-CSE-MsgGUID: jcpL5DqWTwKaU8kaKNBkiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559570" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 24 Nov 2025 04:12:10 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 6077AA6; Mon, 24 Nov 2025 13:12:03 +0100 (CET) From: Andy Shevchenko To: Bjorn Andersson , 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 , Ray Jui , Scott Branden , Broadcom internal kernel review list , Lars-Peter Clausen , Eugeniy Paltsev , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Lizhi Hou , Brian Xu , Raj Kumar Rampelli , Michal Simek , Andrew Morton Subject: [PATCH v4 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:24 +0100 Message-ID: <20251124121202.424072-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251124121202.424072-1-andriy.shevchenko@linux.intel.com> References: <20251124121202.424072-1-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