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=unavailable 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 47046C433FF for ; Sun, 11 Aug 2019 08:06:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1A22B2173C for ; Sun, 11 Aug 2019 08:06:12 +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" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726527AbfHKIF5 (ORCPT ); Sun, 11 Aug 2019 04:05:57 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:33332 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726500AbfHKIFz (ORCPT ); Sun, 11 Aug 2019 04:05:55 -0400 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 Cc: Gavin Li , Laurentiu Tudor , Minas Harutyunyan , Alan Stern , Geoff Levand , Michal Simek , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Olav Kongas , Tony Prisk , Mathias Nyman , Bin Liu , linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org 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 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Archived-At: List-Archive: List-Post: 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