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 31A10CFD313 for ; Mon, 24 Nov 2025 12:12:36 +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=ANKj4jp6I7cTqtYGjCbyOmjH5fDakme+oSUms68uteg=; b=VmMgcUiwA+tJvR4X6znPxFqDZV c27B1eFl12Vh/ANQt6jDUSrHK+JQExIvYcHRY3UfgdXwKD4R+3sYt1uaC3j8HjUnQiz61RAMXBaA9 LIqwj81Eb1UxhdepcnaHecDQr1SnfJyrXQI3Dldp8uP1AyRCkulw5Vl2kp40oibOPd4B+IIWkyKjt jIJFMRoNtZz+g9FSanNRSmdyqnsoE4G8ZhOxdS+RFoneMXWDARzjJgl2sCcmj8IpSB9d7QHiaOpBc Kg74sqziH8EovwpjnM4h4uNwcfaT2fk9NnFuW634r09viSG0+yb8OhHSCCrKftLRQR+R9Ia7g22Od oOt2av9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNVQm-0000000BccQ-40BJ; Mon, 24 Nov 2025 12:12:32 +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 1vNVQV-0000000BcRO-3KEG; Mon, 24 Nov 2025 12:12:17 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763986335; x=1795522335; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yN+ecYcYKcZKT4gWNmRCDsdhTOBiye6jHzywdjrd5sk=; b=W05PbiSXQsav2rqzXVMEYHa/0kRmi45IgHfmEg8sGaCIrSgvBHB6EF/e QesCKnLUqMNnPUGVj82OzUudBiczPgI7SHUyRpNoyB+wxuJXIkuGAo2rQ +uy+4GKplLV/ENddEPRhj0kr0gbh1tHrUAx0l+IDW3oIjHROVGjjGou/6 jhYpjpS9yXMV6DXH9Qc+jHA5JYgEiy+yv9TfFrrezzt30t0+BSB2xsgRz mD8M7KyyZyEZuQvXte5hH3FySF1bm+4G7OSYDWmtQGmAxec2xPklvFtkb EJl5IsJkYUz8SYNUjkD/TTxrdwrLS0sRsldhfucxoFAar+ZFos3s+8+BU Q==; X-CSE-ConnectionGUID: xdR6/NyXRBi5rlUmYAl22Q== X-CSE-MsgGUID: Fim7RX2CTFy84dIxTKNBYw== X-IronPort-AV: E=McAfee;i="6800,10657,11622"; a="91467958" X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="91467958" 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: J8Apy+NdRdG8m6rJd8K6Ig== X-CSE-MsgGUID: jcpL5DqWTwKaU8kaKNBkiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,222,1758610800"; d="scan'208";a="192559570" 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 6077AA6; 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 06/13] dmaengine: k3dma: use sg_nents_for_dma() helper Date: Mon, 24 Nov 2025 13:09:24 +0100 Message-ID: <20251124121202.424072-7-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_041215_868286_3083494B X-CRM114-Status: GOOD ( 10.46 ) 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/k3dma.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index acc2983e28e0..88f9a2952edc 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -536,19 +536,14 @@ static struct dma_async_tx_descriptor *k3_dma_prep_slave_sg( size_t len, avail, total = 0; struct scatterlist *sg; dma_addr_t addr, src = 0, dst = 0; - int num = sglen, i; + int num, i; if (sgl == NULL) return NULL; c->cyclic = 0; - for_each_sg(sgl, sg, sglen, i) { - avail = sg_dma_len(sg); - if (avail > DMA_MAX_SIZE) - num += DIV_ROUND_UP(avail, DMA_MAX_SIZE) - 1; - } - + num = sg_nents_for_dma(sgl, sglen, DMA_MAX_SIZE); ds = k3_dma_alloc_desc_resource(num, chan); if (!ds) return NULL; -- 2.50.1