From nobody Tue Dec 2 01:06:31 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 9C69B2F90E0; Mon, 24 Nov 2025 12:12:19 +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=1763986343; cv=none; b=r5sct2fEfkbmsnMtOaquy/A7yFtFPxnyhbQGSOgwRnYBS73tvkEno1pj6s3PQI1u7GxXOt9cA9ZG9EfISCusZmDXkOHWQugUj69+PU2Lc/AHnplyHUNmEtBrR0mXgDipKQddUvf33ej+xXX60/8WQs7frRcrIUJhjTgx7zxLfFg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763986343; c=relaxed/simple; bh=aIZKpp2i1U4bYPp+lJpBExBX9TU2DJpWjDWAz41Iejk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bMJyZ60Fkx4B5MIdgaJqd0PlKvkuNHaBuBqSyPALXXmJgo0N5fBBXK8bEfNkpX9NEFjPyF5CmpCOAOCBmUU3IshcM9wlSPe1y0msS5X+P5NTtL+CkKb08dfuuaCwKkYjbl0Ok0r8ubGS9R1aqNH+RM2S+nqGGsBOCzYreBDAnME= 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=OQiT1l95; 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="OQiT1l95" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986340; x=1795522340; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aIZKpp2i1U4bYPp+lJpBExBX9TU2DJpWjDWAz41Iejk=; b=OQiT1l952fOPwDpWxoKbFKjPmgAJiGOjoKoYWdiZ+hasgLeebb1RAb+k j1Dr4tWBbLyc1s/MG7aVum3EzT7xoCo9O3fLzQn5CGh/CW/fSlf6nuFxL hgr6Hv4lpHOtIGf5LrlecLNLonGFt5u1kT89zYo1T/Rio/ZUi9+79daaA N8NdwNJOZc9ApdG1rpFuOx0zblf0hBg7dmwDQiZ54ZYgPC0kRwHz+S8QN 2ukKtJA+m4WGqzeJc7RBocLbwM78ehxu07uUrx+kaZo0Q6JXFXo5DMY0Q ICLXeTHnOaSixqXYN4T4H78so6p10cecAKbPr5oN236TdV+Lc7jLiVm02 Q==; X-CSE-ConnectionGUID: DhjwRODJRpm2BXPiildRgQ== X-CSE-MsgGUID: +qu2eCoXRAqwVhuWdPupFQ== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467977" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467977" 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: TTvZDXbhSCi3GwHPuB08gg== X-CSE-MsgGUID: IzSkpYm7TIGtqQIBH5iKGQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559571" 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 6A35BA8; 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 08/13] dmaengine: pxa-dma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:26 +0100 Message-ID: <20251124121202.424072-9-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/pxa_dma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 249296389771..b639c8b51e87 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -970,7 +970,7 @@ pxad_prep_slave_sg(struct dma_chan *dchan, struct scatt= erlist *sgl, struct scatterlist *sg; dma_addr_t dma; u32 dcmd, dsadr =3D 0, dtadr =3D 0; - unsigned int nb_desc =3D 0, i, j =3D 0; + unsigned int nb_desc, i, j =3D 0; =20 if ((sgl =3D=3D NULL) || (sg_len =3D=3D 0)) return NULL; @@ -979,8 +979,7 @@ pxad_prep_slave_sg(struct dma_chan *dchan, struct scatt= erlist *sgl, dev_dbg(&chan->vc.chan.dev->device, "%s(): dir=3D%d flags=3D%lx\n", __func__, dir, flags); =20 - for_each_sg(sgl, sg, sg_len, i) - nb_desc +=3D DIV_ROUND_UP(sg_dma_len(sg), PDMA_MAX_DESC_BYTES); + nb_desc =3D sg_nents_for_dma(sgl, sg_len, PDMA_MAX_DESC_BYTES); sw_desc =3D pxad_alloc_desc(chan, nb_desc + 1); if (!sw_desc) return NULL; --=20 2.50.1