From patchwork Tue Jan 16 13:25:29 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 10166899 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D73DB60325 for ; Tue, 16 Jan 2018 13:26:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C9CED28488 for ; Tue, 16 Jan 2018 13:26:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BE93B28536; Tue, 16 Jan 2018 13:26:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 73A5528488 for ; Tue, 16 Jan 2018 13:26:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=GYSIEHdkDJPEKf4nPbuZUc7Rivgrjpy+PeCIQr56Bm4=; b=uXu+7MM9z11IwoqHCvEusaa8F/ 4q6wKeRciXfyvxt39/M/6jUKmsvoGcHVKEOaIqQ88gkIEZExNLVqvszSX6EExoSC5ixnlJNG86NQt /3fAE2ERkkYFvgaVCH24RNndYuYdkXhuuC9tJceQTVEp/1kk7lflym4F11GvxrPFlJ3CM+PmYs/LN shHofK3F0GLtM8Kk3Zinl3H4Oh2j53NpcwXkWZBcJkWdXq+Wju4QgsqJJ0sQasurB5DpDPUPS/bzb wwnihWZEZV4YEv3y1hyKRwyHIqmumoX02NYTIU9Qmq9D0NEypHk85F0e//GmAVwUTRtZD1R7Ie++E CIhveNEA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ebRGG-0003zQ-Km; Tue, 16 Jan 2018 13:26:44 +0000 Received: from regular1.263xmail.com ([211.150.99.141]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1ebRFq-0003RM-Lj; Tue, 16 Jan 2018 13:26:25 +0000 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.138]) by regular1.263xmail.com (Postfix) with ESMTP id C227B66; Tue, 16 Jan 2018 21:26:00 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 88CA2398; Tue, 16 Jan 2018 21:25:58 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 31605PMO4GQ; Tue, 16 Jan 2018 21:26:01 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org Subject: [PATCH v2 02/13] iommu/rockchip: Suppress unbinding Date: Tue, 16 Jan 2018 21:25:29 +0800 Message-Id: <20180116132540.18939-3-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180116132540.18939-1-jeffy.chen@rock-chips.com> References: <20180116132540.18939-1-jeffy.chen@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180116_052619_120575_40831BD5 X-CRM114-Status: UNSURE ( 6.10 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: xxm@rock-chips.com, Joerg Roedel , Jeffy Chen , tfiga@chromium.org, jcliang@chromium.org, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, Heiko Stuebner MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP It's not safe to unbind rockchip IOMMU driver. Signed-off-by: Jeffy Chen --- Changes in v2: None drivers/iommu/rockchip-iommu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 4a12d4746095..da4afe016a4e 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1205,6 +1205,7 @@ static struct platform_driver rk_iommu_driver = { .driver = { .name = "rk_iommu", .of_match_table = rk_iommu_dt_ids, + .suppress_bind_attrs = true, }, };