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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6DBAC433DF for ; Thu, 28 May 2020 10:01:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ABADE208A7 for ; Thu, 28 May 2020 10:01:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rKVa+ukZ"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ZOiJQDrO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABADE208A7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=JnIdtujqfgjE0XwqmTpmMFjpydHAI6rMABCnwMyZhL4=; b=rKVa+ukZNykThX ELeUFABatzJK5EKZSsIZCu+k6fndJ0fXOnWmrc9xr9GAsi4L1XGysym/+ZBSmTLmPJBbX7egE1Zj9 TufcZJy3H+hErJHDHL+2sr4hEslqyG4Pe8QK97VLZ/DZatVM5jdX1MeiLCPeXPrXSrYkziNUyYlms jxz5uCkclpotVsaLy961N3xD1mUJmC1CsAR34Z86NUJWYJcLhRdDrM4etcoN/FjSBlGc/Dibs/8DE kFw9p1Kr8Uc0grQBKRxFUSQPR+YAezAN2TASxzg5UvoFoJ+/u1SYiMzX6lFKufTCK1w/uUSL2+Sx2 /i6vAmKVz9XLl00oNhDQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeFLx-0006c7-U3; Thu, 28 May 2020 10:01:33 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jeFLv-0006bQ-83; Thu, 28 May 2020 10:01:32 +0000 X-UUID: de902c93ba484b9391094533b8bf3954-20200528 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=Hhp4Gq/lAQxSghJRwoF92XaAxe8EL9n2NHwdPyaDOAY=; b=ZOiJQDrOsxf+NlhP5UYip6cN6QhIqSKTsMaNft0avbZI9+0PBxsthMGhLaI+6onCF/hMgN3E0IDbnkSXfNTOxIpb6dtqf39F9vDFBtfbmo7VudvufHsUaVcpjJmFNAgEaXQSPozR+CRbV1m7ZCW3muQE+rZVxtKQDCbdYmhjrNc=; X-UUID: de902c93ba484b9391094533b8bf3954-20200528 Received: from mtkcas66.mediatek.inc [(172.29.193.44)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLS) with ESMTP id 420021002; Thu, 28 May 2020 02:01:24 -0800 Received: from MTKMBS01N2.mediatek.inc (172.21.101.79) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 02:57:29 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n2.mediatek.inc (172.21.101.79) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 28 May 2020 17:57:29 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Thu, 28 May 2020 17:57:29 +0800 From: EastL To: Sean Wang Subject: [PATCH v4 4/4] dmaengine: mediatek-cqdma: add dma mask for capability Date: Thu, 28 May 2020 17:57:12 +0800 Message-ID: <1590659832-31476-5-git-send-email-EastL.Lee@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1590659832-31476-1-git-send-email-EastL.Lee@mediatek.com> References: <1590659832-31476-1-git-send-email-EastL.Lee@mediatek.com> MIME-Version: 1.0 X-TM-SNTS-SMTP: F93B03554329BDCDD88F2B63E056675CC432FAFBAF2E0F0D0441441AD2A2C1902000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200528_030131_288370_9CC45FB6 X-CRM114-Status: UNSURE ( 9.39 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, wsd_upstream@mediatek.com, linux-kernel@vger.kernel.org, EastL , dmaengine@vger.kernel.org, vkoul@kernel.org, robh+dt@kernel.org, linux-mediatek@lists.infradead.org, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch add dma mask for capability. Change-Id: I31f4622f9541d769702029532e5f5f185815dda2 Signed-off-by: EastL --- drivers/dma/mediatek/mtk-cqdma.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/dma/mediatek/mtk-cqdma.c b/drivers/dma/mediatek/mtk-cqdma.c index bca7118..1805a76 100644 --- a/drivers/dma/mediatek/mtk-cqdma.c +++ b/drivers/dma/mediatek/mtk-cqdma.c @@ -117,6 +117,7 @@ struct mtk_cqdma_vchan { * @clk: The clock that device internal is using * @dma_requests: The number of VCs the device supports to * @dma_channels: The number of PCs the device supports to + * @dma_mask: A mask for DMA capability * @vc: The pointer to all available VCs * @pc: The pointer to all the underlying PCs */ @@ -126,6 +127,7 @@ struct mtk_cqdma_device { u32 dma_requests; u32 dma_channels; + u32 dma_mask; struct mtk_cqdma_vchan *vc; struct mtk_cqdma_pchan **pc; }; @@ -549,6 +551,7 @@ static void mtk_cqdma_hw_deinit(struct mtk_cqdma_device *cqdma) }; MODULE_DEVICE_TABLE(of, mtk_cqdma_match); +static u64 cqdma_dmamask; static int mtk_cqdma_probe(struct platform_device *pdev) { struct mtk_cqdma_device *cqdma; @@ -607,6 +610,16 @@ static int mtk_cqdma_probe(struct platform_device *pdev) cqdma->dma_channels = MTK_CQDMA_NR_PCHANS; } + if (pdev->dev.of_node && of_property_read_u32(pdev->dev.of_node, + "dma-channel-mask", + &cqdma->dma_mask)) { + dev_info(&pdev->dev, + "Using 0 as missing dma-channel-mask property\n"); + } else { + cqdma_dmamask = DMA_BIT_MASK(cqdma->dma_mask); + pdev->dev.dma_mask = &cqdma_dmamask; + } + cqdma->pc = devm_kcalloc(&pdev->dev, cqdma->dma_channels, sizeof(*cqdma->pc), GFP_KERNEL); if (!cqdma->pc) -- 1.9.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek