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_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 6D395C3A5A4 for ; Sun, 1 Sep 2019 19:26:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 34EE52190F for ; Sun, 1 Sep 2019 19:26:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="TjHWNZc0" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729207AbfIATXt (ORCPT ); Sun, 1 Sep 2019 15:23:49 -0400 Received: from mail-pl1-f194.google.com ([209.85.214.194]:33331 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729142AbfIATXs (ORCPT ); Sun, 1 Sep 2019 15:23:48 -0400 Received: by mail-pl1-f194.google.com with SMTP id go14so5589582plb.0 for ; Sun, 01 Sep 2019 12:23:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=MYmyqV51fBjQuhWN4wRJPBtp4cf5jebojptEpCVLVOk=; b=TjHWNZc0ZSAdLlICAmRNnY+1VKMb8ksQKlv2+3dqXX/Od6eAOEyRzvUwKpJvFshVrH HrrR7AzO7vyxkqqq8e3qYBKsKhC710WpwJN5/HLGqabKuwsVKvT8Sxq69tP2BrP4baWQ TA1MQp/Z3dMDgmRYKP/hQw4iGFquZ8eBXYA2xQazOg9QcT0Mqd4MnqWbbiBmuBpqBjle PLMS6HCjOTxicYWnq0Tbkd59InVsarbuDZZylarrhkkwwRu1H69HlAunEjCuH+pw53pV iqK/4yVXBpneAsahpXA1yg5WXLEApVp2prY059J8ZTkETMIFe9z2++wpWf0qXGy8sUHH AT5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=MYmyqV51fBjQuhWN4wRJPBtp4cf5jebojptEpCVLVOk=; b=RakH8+iVwmdURcA8x0yYXOjvh16LAM55g0Iq+7YgVN/MHx+phEAme6yD+gJfgHb2U5 i67ZMLhuYT4rafuPWrxTLzOrCfCg8GOEfu+Wo2yGin6lLfkflXO6kFbcy44m0qX5rdrb aYtwj3WuPfygCRK3s9XltRwWqrSTSuV2XgSsAUZCBViyH2ov8bNUlnjduTeChpmUIOt/ rxDRijwembDUcELMhu2UdiBfDy801HLF9mWmpb5Os8m9HtIxX63uc8tiTS1wdzK8rt27 cX2052zLQGguuUnDp5ZsTV+UlxzSkDMd9odHhxmBKrCSf7rf71y2p3ECItN9zIoalccr Osuw== X-Gm-Message-State: APjAAAX+JkIAZkYRr6CJnYUCxZNqMcBK+7el8mMdKtkRnGL8BKvkHnLU Bopj8VCdjlOL9WTumRAUV0eQkstI X-Google-Smtp-Source: APXvYqxVwAyX5i9CZCLq1N9HsR4W+F1HPa3PbBb79wf4iu91tGmUo6frN78M/h5qjGemTUYvUXOSQQ== X-Received: by 2002:a17:902:744a:: with SMTP id e10mr20291723plt.239.1567365828132; Sun, 01 Sep 2019 12:23:48 -0700 (PDT) Received: from jordon-HP-15-Notebook-PC.domain.name ([106.51.20.96]) by smtp.gmail.com with ESMTPSA id s7sm21910679pfb.138.2019.09.01.12.23.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 01 Sep 2019 12:23:46 -0700 (PDT) From: Souptick Joarder To: konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org Cc: xen-devel@lists.xenproject.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Souptick Joarder Subject: [PATCH] swiotlb-zen: Convert to use macro Date: Mon, 2 Sep 2019 00:58:56 +0530 Message-Id: <1567366136-874-1-git-send-email-jrdr.linux@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rather than using static int max_dma_bits, this can be coverted to use as macro. Signed-off-by: Souptick Joarder --- drivers/xen/swiotlb-xen.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index ae1df49..d1eced5 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -38,6 +38,7 @@ #include #include +#define MAX_DMA_BITS 32 /* * Used to do a quick range check in swiotlb_tbl_unmap_single and * swiotlb_tbl_sync_single_*, to see if the memory was in fact allocated by this @@ -114,8 +115,6 @@ static int is_xen_swiotlb_buffer(dma_addr_t dma_addr) return 0; } -static int max_dma_bits = 32; - static int xen_swiotlb_fixup(void *buf, size_t size, unsigned long nslabs) { @@ -135,7 +134,7 @@ static int is_xen_swiotlb_buffer(dma_addr_t dma_addr) p + (i << IO_TLB_SHIFT), get_order(slabs << IO_TLB_SHIFT), dma_bits, &dma_handle); - } while (rc && dma_bits++ < max_dma_bits); + } while (rc && dma_bits++ < MAX_DMA_BITS); if (rc) return rc; -- 1.9.1