From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 0FBFF30BBB0; Mon, 10 Nov 2025 10:38:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771100; cv=none; b=l8gNflbRcUJZKIX6AyDk8knN2nQpXeSky+qSqOYoc3hFwLE+nwUGNTVOQCpgth3K8FKyoe8t+BgkaaBe1pPe+M4fr+V+yrwzC2BypCwQ+Pqmc14ZBs41PmChyd5UAcKm+vOGBqtk4H4bq6wzezklJpLCkCdGBOH8puDKruWcayA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762771100; c=relaxed/simple; bh=90DBnN1DGQYnGUgwfmS95iw+ByD4MmosW5yY9D3pBv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hu+0P5DYYtZdlx8M//PaV+cdUnfvj9MYmdQpJV1VVily0vGoHkNUgNwhb25AcJHaJO973FPGCI5dOTb6X/vQasjmcEOAixRF3lAGNl7SneZAG4/HbL6O9Ga5epIpWtpq5LgNZo7kkSY5f8gCSwAxxsmwxSaBboDUTeGd2OcXubA= 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=J3desNKI; arc=none smtp.client-ip=192.198.163.16 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="J3desNKI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762771099; x=1794307099; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=90DBnN1DGQYnGUgwfmS95iw+ByD4MmosW5yY9D3pBv0=; b=J3desNKI9TNJ5VtcMB5/LTfQBAvlTpUJb2ppzQpepdfZlaWnUrcNRRRm JJ6PL9pYmi9zwixaoiFA9yGnZ5vZohYJVQURbTlTo4ymnWExeUT1A8F15 cJLdrQoip+5BfFzseNWDMZX22HVGxfPcPcyAePaONl3shINCmltZvwBvq nABiF50feJtUxOQUSZZreeyAtCJQL44sBOCyZ5zezb9DOFEvfpKVRkA0a cG/S0ygDlqD/VBFy5V9k2dKWU7aVQOp94HRUsSeVFNIrZBEf30kKCjL9X /uN7JEgm9Ti13GkZT2ncJ3UtuN3vE60IrmtdQQIBaoKOpjXHbmPdYoN+a A==; X-CSE-ConnectionGUID: 4yYmdELzRS6bvY/MLoIAfw== X-CSE-MsgGUID: GS64F8pJTgunHl3mKUUMHg== X-IronPort-AV: E=McAfee;i="6800,10657,11608"; a="52376882" X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="52376882" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 02:38:19 -0800 X-CSE-ConnectionGUID: QkmrFVSsSRGnEf/YxIPPiA== X-CSE-MsgGUID: np91THmSSw2v20kIwbQ+dA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,293,1754982000"; d="scan'208";a="188891261" Received: from black.igk.intel.com ([10.91.253.5]) by fmviesa008.fm.intel.com with ESMTP; 10 Nov 2025 02:38:13 -0800 Received: by black.igk.intel.com (Postfix, from userid 1003) id 8CC869D; Mon, 10 Nov 2025 11:38:07 +0100 (CET) From: Andy Shevchenko To: 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 , 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 v2 08/13] dmaengine: pxa-dma: use sg_nents_for_dma() helper Date: Mon, 10 Nov 2025 11:23:35 +0100 Message-ID: <20251110103805.3562136-9-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> References: <20251110103805.3562136-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Instead of open coded variant let's use recently introduced helper. 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 scatterlist *sgl, struct scatterlist *sg; dma_addr_t dma; u32 dcmd, dsadr = 0, dtadr = 0; - unsigned int nb_desc = 0, i, j = 0; + unsigned int nb_desc, i, j = 0; if ((sgl == NULL) || (sg_len == 0)) return NULL; @@ -979,8 +979,7 @@ pxad_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl, dev_dbg(&chan->vc.chan.dev->device, "%s(): dir=%d flags=%lx\n", __func__, dir, flags); - for_each_sg(sgl, sg, sg_len, i) - nb_desc += DIV_ROUND_UP(sg_dma_len(sg), PDMA_MAX_DESC_BYTES); + nb_desc = sg_nents_for_dma(sgl, sg_len, PDMA_MAX_DESC_BYTES); sw_desc = pxad_alloc_desc(chan, nb_desc + 1); if (!sw_desc) return NULL; -- 2.50.1