From nobody Tue Dec 2 01:06:32 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 539E62FFF80; Mon, 24 Nov 2025 12:12:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986343; cv=none; b=lZVj2DOJp8R83ZhOKuLn03rPg4ZyEKuax8NKyiqeWp5mmQxfTrKCAP8ZNDn8RcGULaclgYgVSzfEBQ/hCpjH/IAft8hRJ2KCHJqhln0nDGirEiAW/YQpxvH7dSBpuyg/hXgl2lzWyhhQJRMwhE8jGYTsFa13waqyuu3JYFtDI3M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986343; c=relaxed/simple; bh=Z4cy+2HbiLCLWtcSsLcUwBV59DreBfM5HrektthG6GQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gNNj9SmJ6NgHJTbseFSd2rEbepaqU/3xQK9CzGLb0Pjjfyd4ruC8cJgKrIT86HQvrpnEnVNVoIY66T1wddkr7N0lbN/C1GxITyVxWVDeacAMjTwxYQa1MtDzx8vtSQHe1yKBvSrONW4ZHEp1Z/HlLwTNB1DmiCHqhf0/Ol31o4M= 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=TCkiUMio; arc=none smtp.client-ip=192.198.163.12 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="TCkiUMio" 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=Z4cy+2HbiLCLWtcSsLcUwBV59DreBfM5HrektthG6GQ=; b=TCkiUMiowQuCOQ3zBlrCxPwT4dEAA8TFmVLTpdDxMuNM8qg9CPotyMUf Y47G5B4T+L6kepVAwtesr87Wn1+DCMojVjn6jeWKFFBYcpC3d2dv8TgOI Jr5L1717wLVAlJ0IpdTrLa795UAm+Izy+LHxxRnbpl9RpWEV+qx6SWNo/ FJ53Z2r4fhoqbQ1AIzHcTf6km1oXvBz3JUFG1shmpfC79K4/RkBulEMbH 9+D+jkMJSTKjkGQAZYoGVjSutRyKHl5hp/XVtGztPbBqqFI69t0vgenR4 TAKuRWngNlhNVop766q+gXWwscXVU6JghgPBDWuesBBw+9X97hBJWW/W/ Q==; X-CSE-ConnectionGUID: F+2DNrXjR+a7DTykIgwWfw== X-CSE-MsgGUID: hHzEaE7lRAqiK33kNvPiNQ== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="69847587" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="69847587" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2025 04:12:15 -0800 X-CSE-ConnectionGUID: u8eTMZfQRgaZ40Qo2k195g== X-CSE-MsgGUID: 39ttMucESuq1ncwuVM0izw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="222970344" Received: from black.igk.intel.com ([10.91.253.5]) by orviesa002.jf.intel.com with ESMTP; 24 Nov 2025 04:12:10 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 6560CA7; 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 07/13] dmaengine: lgm: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:25 +0100 Message-ID: <20251124121202.424072-8-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/lgm/lgm-dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/lgm/lgm-dma.c b/drivers/dma/lgm/lgm-dma.c index 8173c3f1075a..a7b9cf30f6ad 100644 --- a/drivers/dma/lgm/lgm-dma.c +++ b/drivers/dma/lgm/lgm-dma.c @@ -1164,8 +1164,8 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct scat= terlist *sgl, struct dw2_desc *hw_ds; struct dw2_desc_sw *ds; struct scatterlist *sg; - int num =3D sglen, i; dma_addr_t addr; + int num, i; =20 if (!sgl) return NULL; @@ -1173,12 +1173,7 @@ ldma_prep_slave_sg(struct dma_chan *chan, struct sca= tterlist *sgl, if (d->ver > DMA_VER22) return ldma_chan_desc_cfg(chan, sgl->dma_address, sglen); =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 dma_alloc_desc_resource(num, c); if (!ds) return NULL; --=20 2.50.1