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=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 DFF64C433E1 for ; Tue, 30 Jun 2020 10:06:58 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AFB322073E for ; Tue, 30 Jun 2020 10:06:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="3Na6/bgv" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AFB322073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=B6G22F94UdXp6m6ZpRh18f7Q3nwq89dFXpMkfIt3uRY=; b=3Na6/bgvccSddU7L/x2ReoIKG 3z6N3SPSNxELMArXDayApNBrycsgI9Lc+HhkyVC5icFFbZs1qF+0uCGsfxkmF5MVFEfy47lcR+j1B M/BOXreAmKbQCy7FzY+RnG5dxkXQJo+jVhubZvnNgIo3eQcvfeENA/yJT2CZOYkk81+xCQnhdLgY/ 6mjSi1N+v1w2Kuk316ioSd3v/RiEnHz4EfPuafbg5IWKoqm9wxPhJ8sFkGFv9ZtGdsKLhrsJ8r0wt 1MF2A1KxwHyslmtaxjw6OXCdi5A95QXA33Xsg6JqCLyda1QP78rGpwd/ttKAAgFS587Os5T7zpjHA w4Ehwi3pQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqD93-0004IH-Dq; Tue, 30 Jun 2020 10:05:41 +0000 Received: from 8bytes.org ([2a01:238:4383:600:38bc:a715:4b6d:a889] helo=theia.8bytes.org) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqD90-0004Ht-Pm for linux-arm-kernel@lists.infradead.org; Tue, 30 Jun 2020 10:05:39 +0000 Received: by theia.8bytes.org (Postfix, from userid 1000) id D4D6E2A7; Tue, 30 Jun 2020 12:05:37 +0200 (CEST) Date: Tue, 30 Jun 2020 12:05:36 +0200 From: Joerg Roedel To: Maxime Ripard Subject: Re: [PATCH 1/2] iommu/sun50i: Change the readl timeout to the atomic variant Message-ID: <20200630100536.GK28824@8bytes.org> References: <20200628180844.79205-1-maxime@cerno.tech> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200628180844.79205-1-maxime@cerno.tech> User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chen-Yu Tsai , iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Jun 28, 2020 at 08:08:43PM +0200, Maxime Ripard wrote: > The flush_all_tlb call back can be called from an atomic context, so using > readl_poll_timeout that embeds a udelay doesn't work. > > Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver") > Signed-off-by: Maxime Ripard Applied both for v5.8, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel