From patchwork Mon May 10 01:42:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zev Weiss X-Patchwork-Id: 12246657 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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,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 33D9DC433B4 for ; Mon, 10 May 2021 01:45:24 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 EBE42613DB for ; Mon, 10 May 2021 01:45:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EBE42613DB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bewilderbeest.net 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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=rJB1boHMvQPFbYJA7XKEyXuwb2SA9lEjakaOy/evEY0=; b=OOQqmjS1UQJQ6y1Extf41cNK7M OBpl9CyaOZw52M678WM4UcMUb0Nmqg6RbYxCND/ypfvR+oRLWvoqDVdxvJPx2PRPnmcUKQF1NvMuG +fcutJTUjB+6IFOUOejzJES00SKL6yCcVUiUTyx0AJMBDY7ViJnb2yvTuvGLBbFVd740wAW3Lb9Cm 4KhHxonFWoKpmdeJy9ZN8BDVL4/VNtoHedSZ7Chk7LG/9/jHtN5Mb2LiUnmeX48n8sKBZyEoi2ibd 5NXYJdIEK5CymPNk1U8Gy9F6TvXfjtPY5pfruMm/7Gg5KAlsRR3L3GMYlvxegFwaSehIPzHQqnQO1 7lzDnT/w==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lfux5-00Clsn-4N; Mon, 10 May 2021 01:43:19 +0000 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lfuwb-00CloH-Ng for linux-arm-kernel@desiato.infradead.org; Mon, 10 May 2021 01:43:04 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=fTY1Or3lLvDzUlgv4eo2/CcR45q88eZ2rtCXzIFSd8c=; b=K4UxiSzj3Ey4LCY3P5D8qbCagN GLJDmLujvQWuP/+aTY4J2gXTm9+kKES4DYBTZpi/GbT+LmQ8dt8Fx3cDSXDqpmb909JmNrlt4YoCK v82OPKjVmBZcfTs6gFGq6LLavKeL1H1quDPMDhqPVIFP7Q4TEXisEfWZTWzEbnN7lhIgy0WJ9OOPn +ZGxr1CMq3g0t9RKWChBMwUKLcxsxcYbz8/1M3xPUEOc4EgQmUY8b4SdSdxES5usj1eNnhjE5ql3c NHD4fOdOmMqQpEv1qMY011wJ7euaNqclf/tzlqT0Cib7mXw5pbWNQMh3Xs4UfH0O8Lp5M1/xsdRdu cV6LZggA==; Received: from thorn.bewilderbeest.net ([71.19.156.171]) by bombadil.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lfuwX-008CPt-MK for linux-arm-kernel@lists.infradead.org; Mon, 10 May 2021 01:42:48 +0000 Received: from hatter.bewilderbeest.net (unknown [IPv6:2600:6c44:7f:ba20::7c6]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: zev) by thorn.bewilderbeest.net (Postfix) with ESMTPSA id 5129C2A8; Sun, 9 May 2021 18:42:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bewilderbeest.net; s=thorn; t=1620610963; bh=fTY1Or3lLvDzUlgv4eo2/CcR45q88eZ2rtCXzIFSd8c=; h=From:To:Cc:Subject:Date:From; b=eOIizJlGxOiK02IBxlm/VQd7RbnvQcvMuC/WiRQQUwOfZbc13rQ9/U6sGkRPqmSOy 3EPBMu5Btyrw/hIjXYzwfhCY1MFgztvs1AgUUtS0bB+GVwzSBhJEx1a/yUWR5SQQ0S BWG1wXtbCgnWgAu9rxDEmqPsgcUAXFeNuqrBVEus= From: Zev Weiss To: Greg Kroah-Hartman Cc: openbmc@lists.ozlabs.org, Zev Weiss , Jiri Slaby , Joel Stanley , Andrew Jeffery , Johan Hovold , linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/3] serial: 8250_aspeed_vuart: fix duplicate __release_region() on unbind Date: Sun, 9 May 2021 20:42:28 -0500 Message-Id: <20210510014231.647-1-zev@bewilderbeest.net> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210509_184245_750733_2927A4A4 X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, This series addresses a bug reported by Andrew Jeffery [0] wherein the aspeed-vuart driver triggers a "Trying to free nonexistent resource" warning from __release_region() when unbound from a device. The first two patches provide some preparatory refactoring and cleanups; the actual fix is in the final patch. Joel, note that this series has a dependency on the "generalized DT properties" series [1] (specifically the second patch), which has been merged upstream but is not yet in the OpenBMC dev-5.10 tree. [0] https://github.com/openbmc/linux/issues/203 [1] https://lore.kernel.org/openbmc/20210412034712.16778-1-zev@bewilderbeest.net/ Zev Weiss (3): serial: 8250_aspeed_vuart: factor out aspeed_vuart_{read,write}b() helper functions serial: 8250_aspeed_vuart: initialize vuart->port in aspeed_vuart_probe() serial: 8250_aspeed_vuart: use UPF_IOREMAP to set up register mapping drivers/tty/serial/8250/8250_aspeed_vuart.c | 50 +++++++++++---------- 1 file changed, 27 insertions(+), 23 deletions(-)