From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 47A29CFA466 for ; Mon, 24 Nov 2025 12:12:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=U9R2jXj49146KC+5vfWPPVVZwl1JmffLlWfBTYD6OiU=; b=Y2r9FjYUndufpXYaYNYJIg+mBZ M4GHIAot2Gz4WthVgS3x1/S5zl5l3llLzIxqTgfHHVKP9VB2vKzwWETDw7N1GLb8bQ+rW6KRBmIIj IipHQqgm4wtaSF+8JGA6iZSmahCTSaVJzi8ktBzHn1WUbp+QyOkERUrXuTdm9erYTal0ppoYwKt78 ONuOCMkl7ODsJqTqKfhetydmeTRlSl87runW9RBnReTaUQrlUMDAJ31S5R3QVbKEtLRUKVJcqo6kp WhqfCHgCFrvZcCBgWjo7GfiVTauQw/5q5oUn2vgRojs+o2slyJmG1nZzvV+dcE7ivXoTVyP/bwnfM 6nEN+s6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVR4-0000000BcqK-3PPd; Mon, 24 Nov 2025 12:12:50 +0000 Received: from mgamail.intel.com ([192.198.163.7]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQX-0000000BcRO-0PAe; Mon, 24 Nov 2025 12:12:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986337; x=1795522337; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aIZKpp2i1U4bYPp+lJpBExBX9TU2DJpWjDWAz41Iejk=; b=RNInwxbSKc2hh5R5seltMket0y7VvNtxNxB4aZtvARZmcuFiPNnvpFIi li04AN7lH4V7I9l7z496OR9Nwu9dapVs2cNLoX78ECNkE9RcM+QsBpGAZ 2MIIDW6JRYj1My01pzkXHS6/CaTRRZ1nz21vkzMYGLdkTWEg1betXS/nT Q6O0FE3xfwwEvsJD/x0zX+WRsDmlrHRV+2JqCnCXQBQb7mLLkWVQQg5ET ab30dqOZRDA6Sr7ZryCI+BV32AT3FEWQujnvzIZYnLfUigQahNxDuVITd IBMR3woL2p8pMHeIMITFLF5BcvmKs8Ci0rxVOMzrGzyB4z/V+BXvnLOea Q==; X-CSE-ConnectionGUID: DC8qUw2iSNeCcf2jjih9hQ== X-CSE-MsgGUID: XTF0MNMFSzKJfOJCOd6H5A== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467971" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467971" 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251124_041217_172714_B30ECC42 X-CRM114-Status: GOOD ( 10.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 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