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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 B9C35C0650F for ; Sun, 11 Aug 2019 08:06:17 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 8FA722173C for ; Sun, 11 Aug 2019 08:06:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UMEvzoLE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8FA722173C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 13488AEF; Sun, 11 Aug 2019 08:06:04 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 387B8AC8 for ; Sun, 11 Aug 2019 08:06:01 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id E37396E0 for ; Sun, 11 Aug 2019 08:06:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=dftcSzfDdyc02vTQypmmr4nqPV2SE1bB1GMbvWD2Jek=; b=UMEvzoLEwpMDTenvIB+0BTS26+ KD8/KOYJDOvaupvERmLkq2+cOudPdXx/9YAoxoLHBIhbWE6ItR8RS/0q2pcFARGnStycuXfOJSELl L98cN/SUFZ/K1WBVF4aO8stRWvkRk/IP8d51FdkPvK7ZqKMWjCX/iU7n4w78ZUKQTKnGDENcpiQbL /hBoz5+7c3ZWPb2Avw9aNlL9bAkJ2ZEHRQ7/cZ4AqSjaLwefBbjEoCu93NOsgtOECpicixiH3M3eS vciuwhd+C2zn6tR2Fkb9RXE3YmkWCxeZuh1VGjS9wgNNuD08nkWVa1+3Wy2sU5Px8aHs3e6W6zj7J R+uzwONg==; Received: from [2001:4bb8:180:1ec3:c70:4a89:bc61:2] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hwir3-0001um-Fz; Sun, 11 Aug 2019 08:05:30 +0000 From: Christoph Hellwig To: Greg Kroah-Hartman , Maxime Chevallier Subject: [PATCH 1/6] usb: don't create dma pools for HCDs with a localmem_pool Date: Sun, 11 Aug 2019 10:05:15 +0200 Message-Id: <20190811080520.21712-2-hch@lst.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190811080520.21712-1-hch@lst.de> References: <20190811080520.21712-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Cc: linux-arch@vger.kernel.org, Olav Kongas , Gavin Li , linuxppc-dev@lists.ozlabs.org, Mathias Nyman , Geoff Levand , Fabio Estevam , Sascha Hauer , linux-usb@vger.kernel.org, Michal Simek , linux-kernel@vger.kernel.org, Tony Prisk , iommu@lists.linux-foundation.org, Alan Stern , NXP Linux Team , Pengutronix Kernel Team , Minas Harutyunyan , Shawn Guo , Bin Liu , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org If the HCD provides a localmem pool we will never use the DMA pools, so don't create them. Fixes: b0310c2f09bb ("USB: use genalloc for USB HCs with local memory") Signed-off-by: Christoph Hellwig --- drivers/usb/core/buffer.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 1359b78a624e..1a5b3dcae930 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -66,9 +66,9 @@ int hcd_buffer_create(struct usb_hcd *hcd) char name[16]; int i, size; - if (!IS_ENABLED(CONFIG_HAS_DMA) || - (!is_device_dma_capable(hcd->self.sysdev) && - !hcd->localmem_pool)) + if (hcd->localmem_pool || + !IS_ENABLED(CONFIG_HAS_DMA) || + !is_device_dma_capable(hcd->self.sysdev)) return 0; for (i = 0; i < HCD_BUFFER_POOLS; i++) { -- 2.20.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu