From patchwork Mon Apr 23 13:51:44 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiang Liu X-Patchwork-Id: 154453 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 6BF8BB6F9A for ; Mon, 23 Apr 2012 23:58:10 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755516Ab2DWN41 (ORCPT ); Mon, 23 Apr 2012 09:56:27 -0400 Received: from mail-pz0-f51.google.com ([209.85.210.51]:45199 "EHLO mail-pz0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752454Ab2DWN40 (ORCPT ); Mon, 23 Apr 2012 09:56:26 -0400 Received: by mail-pz0-f51.google.com with SMTP id z8so15592682dad.10 for ; Mon, 23 Apr 2012 06:56:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=w3lMDUElVyhHuSmybi94jYN6bayZ9cghwvTaaXHDaqQ=; b=i9ay3I6dV08tTeQTlU+zkJL5AORMSl8ZHSdLnBLzD6d1Kz1dinmL31nDxs+20weGVL LRc+6K2DY8Ka5CuqmNfJA/zvO8v5LgHhJEnloPCpDB75yysWv0qyNNvxcjWfPjhsL2q7 HC6F7OnCdfRg8rmhzMKp1J6gP2LYUR6hP1qDgQBZ0RAl0JcZGMLTnNwjeaLUZJCJbIOT TjFvwIp6QH8H3mj8GKA8fETyl93K5oBgsU/3qQxs+JkKk5gfr7KhNj8K/W3ibXTw1SV8 v6/BCsNoESf3XWtrKXrpJ3Fhh2HAcl16PzN01noFdk4gCbrkb6MSPd95Dw0udO5384aH kgcw== Received: by 10.68.227.226 with SMTP id sd2mr2562170pbc.49.1335189385536; Mon, 23 Apr 2012 06:56:25 -0700 (PDT) Received: from localhost.localdomain ([221.221.17.121]) by mx.google.com with ESMTPS id q1sm14443839pbp.62.2012.04.23.06.56.18 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 23 Apr 2012 06:56:24 -0700 (PDT) From: Jiang Liu To: Vinod Koul , Dan Williams Cc: Jiang Liu , Keping Chen , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jiang Liu Subject: [PATCH v1 3/8] dmaengine: introduce CONFIG_DMA_ENGINE_HOTPLUG for DMA device hotplug Date: Mon, 23 Apr 2012 21:51:44 +0800 Message-Id: <1335189109-4871-4-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.5.4 In-Reply-To: <1335189109-4871-1-git-send-email-jiang.liu@huawei.com> References: <1335189109-4871-1-git-send-email-jiang.liu@huawei.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Introduce CONFIG_DMA_ENGINE_HOTPLUG to enable/disable DMA device hotplug logic. Signed-off-by: Jiang Liu --- drivers/dma/Kconfig | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index cf9da36..aba92f0 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -62,6 +62,7 @@ config INTEL_IOATDMA depends on PCI && X86 select DMA_ENGINE select DCA + select DMA_ENGINE_HOTPLUG select ASYNC_TX_DISABLE_PQ_VAL_DMA select ASYNC_TX_DISABLE_XOR_VAL_DMA help @@ -263,6 +264,11 @@ config DMA_SA11X0 config DMA_ENGINE bool +config DMA_ENGINE_HOTPLUG + bool + default n + depends on DMA_ENGINE + comment "DMA Clients" depends on DMA_ENGINE