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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 368F8C4727F for ; Tue, 22 Sep 2020 13:39:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F178E20936 for ; Tue, 22 Sep 2020 13:39:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="RbkWoWrC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726798AbgIVNjo (ORCPT ); Tue, 22 Sep 2020 09:39:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726776AbgIVNjn (ORCPT ); Tue, 22 Sep 2020 09:39:43 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20355C0613D0 for ; Tue, 22 Sep 2020 06:39:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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; bh=949fIlFJxhHftxK0F0GIl/omAnloK0lrmH1lk+jzSZ8=; b=RbkWoWrCf5xaBUbunWQCzfjwUc oDOkMeUm6Z5seq7uxsDIBMWyWWt4jxGsX5okbeTWhUGZPFBmobf0GC5jFVxLOEWcnb3Rw/KTaQ6C2 PkR2JzqlA4AHqgUPLtts1LY+dHW0J6jNKjAyVFNW5dW4y/YbqMgiInjuqywcxgPvgt9j159owP2b5 N1vH6DrLidLzLEMC1pXnWUQCCo9tdbu7tIhLCVsS6OCksmbewe9q1FxhiHS0onuHN6EHQfq8AnVqw Y5iW0MJ513T2EHvvUcfAvt7Ublr95NFq9IbMf2dZX+D4BPPvUdtdBomp21JE6bSG7Mh27JUQ+L2I0 4/wzcOUg==; Received: from p4fdb0c34.dip0.t-ipconnect.de ([79.219.12.52] helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kKiW9-0005M2-S5; Tue, 22 Sep 2020 13:39:38 +0000 From: Christoph Hellwig To: iommu@lists.linux-foundation.org Cc: Dominik Brodowski , linux-kernel@vger.kernel.org Subject: [PATCH 1/3] dma-mapping: remove DMA_MASK_NONE Date: Tue, 22 Sep 2020 15:40:00 +0200 Message-Id: <20200922134002.1227279-2-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200922134002.1227279-1-hch@lst.de> References: <20200922134002.1227279-1-hch@lst.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This value is only used by a PCMCIA driver and not very useful. Signed-off-by: Christoph Hellwig --- drivers/pcmcia/ds.c | 2 +- include/linux/dma-mapping.h | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 09d06b082f8b8c..72114907c0e4d2 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -516,7 +516,7 @@ static struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, p_dev->dev.parent = s->dev.parent; p_dev->dev.release = pcmcia_release_dev; /* by default don't allow DMA */ - p_dev->dma_mask = DMA_MASK_NONE; + p_dev->dma_mask = 0; p_dev->dev.dma_mask = &p_dev->dma_mask; dev_set_name(&p_dev->dev, "%d.%d", p_dev->socket->sock, p_dev->device_no); if (!dev_name(&p_dev->dev)) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index bb138ac6f5e63e..e074588d753ff6 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -138,8 +138,6 @@ extern const struct dma_map_ops dma_dummy_ops; #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) -#define DMA_MASK_NONE 0x0ULL - static inline int valid_dma_direction(int dma_direction) { return ((dma_direction == DMA_BIDIRECTIONAL) || -- 2.28.0