From nobody Sun Feb 8 06:05:33 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 EF0E44A5B01; Thu, 8 Jan 2026 10:56:46 +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=1767869814; cv=none; b=feBlhESjBpapAMGB2gLgz+eD57JX4uVfRTcq2cdqz3I05rVm0uQtPZem4gYo4o6J/JT7jQD4//R5sFPnAccmuhyChjRXxen+7uhcCkMKNQuGJr5YKz1h6UML3iLpq+vmRwKaAzkQV2FmeAR2r0N8NUa8VqOdIGf6o6kztzYON/s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767869814; c=relaxed/simple; bh=n0PKa+x5gXv92s+9IcYHn+CLocgSZP4a9Z3TXr15mqo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cpjrprtx1jHxl55ridbWQYa4fFKuanUrIj9tSOsF/7Wtn/ZcEHrC9I3DoqC08s0lEW2tlW3maswbHn84ggCR5CNRKaWvPCEignuwM/ZtwVqmMa6GPwANV+PteLSgX9imZZadgGid8Cwt1Ch768tw0aKw8Ai6s84g7gyLjS7iqZs= 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=SKVTyNUZ; 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="SKVTyNUZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767869809; x=1799405809; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=n0PKa+x5gXv92s+9IcYHn+CLocgSZP4a9Z3TXr15mqo=; b=SKVTyNUZTZBBfdMoyHBbAA2+1My+buLaXwuAgDkRsD0/Do0nsEilb/Ij 3O3EHcgUPE0akxImxgvBJTSUtLnYaV9E2EcT/XIifOKi2SRHX3WXLvPzB 18rlSqCgJvN+dMqEES4pzewP4o+i+y+i/KxIHZsFtL78HfR2U2Kb64AxK 3u64fgDe5UZek987+n0bFR7mXIYYKDV/UQrHKmJoa4m6a8xiHzc2cK3zh E2UuUznaMEfWxNtOCZncfQl2FgJi7ikBP4rSnuATjW58ukOa/isZhopBt n5vpxTlwNKs+7rArhEPv04ZNq11F+myZjCio5bzrb9VxxHF/8p+c6lFqn w==; X-CSE-ConnectionGUID: BtF09BbMTPizquLeju8Jxw== X-CSE-MsgGUID: a/yxqrpvQRiO5EXCIf/qEg== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="80354577" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="80354577" 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 02:56:28 -0800 X-CSE-ConnectionGUID: dXQieIjVTd2WGJm8g7WiPQ== X-CSE-MsgGUID: mheJh/SfRpuKhuDOeynzPQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203615539" 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 4675E9B; 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 02/13] dmaengine: altera-msgdma: use sg_nents_for_dma() helper Date: Thu, 8 Jan 2026 11:50:13 +0100 Message-ID: <20260108105619.3513561-3-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/altera-msgdma.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c index a203fdd84950..50534a6045a0 100644 --- a/drivers/dma/altera-msgdma.c +++ b/drivers/dma/altera-msgdma.c @@ -396,13 +396,11 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct s= catterlist *sgl, void *desc =3D NULL; size_t len, avail; dma_addr_t dma_dst, dma_src; - u32 desc_cnt =3D 0, i; - struct scatterlist *sg; + u32 desc_cnt; u32 stride; unsigned long irqflags; =20 - for_each_sg(sgl, sg, sg_len, i) - desc_cnt +=3D DIV_ROUND_UP(sg_dma_len(sg), MSGDMA_MAX_TRANS_LEN); + desc_cnt =3D sg_nents_for_dma(sgl, sg_len, MSGDMA_MAX_TRANS_LEN); =20 spin_lock_irqsave(&mdev->lock, irqflags); if (desc_cnt > mdev->desc_free_cnt) { --=20 2.50.1