From patchwork Mon May 20 14:53:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Anderson X-Patchwork-Id: 13668379 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 63A3DC04FFE for ; Mon, 20 May 2024 14:54:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=37nqkO9ncmH0Ff+EXVB/zQ87iZrssqt1Vo6d0LL8hiU=; b=bDi8FtosaE6KoT E5Q9M5kWNEZEuRNXnHFh6U3S5GCTqj/fsfI3CuLbEmaizHBK02sCuC/EiBShIbyryZ09I45++oQ+J jERcEjWtnAjMTb+DfKuGR00SJCherkP8oIATAqN/VGn9ns6t3BgQEZKn9r6j8yuH2EE+D/o1Tlp74 DRyeY6ZdBrN+ONw3QjtVu1J2cgywlBHgnSKXWH1Tp0ESb0Zh6OkI44RHg5qB1vi6vGoALme+mFTmP iV5gg+Dxz4woCHHqMKffqV1IWUTuM18PF7q6G1FIuYGRHxU2XkZyf1YqOTDqQVSFpjH4N5Yh78Yyt kvUw/acH4V2xPtW/Sikg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s94PM-0000000EkeW-49sZ; Mon, 20 May 2024 14:54:36 +0000 Received: from out-182.mta0.migadu.com ([91.218.175.182]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s94P8-0000000EkVK-37cy for linux-arm-kernel@lists.infradead.org; Mon, 20 May 2024 14:54:24 +0000 X-Envelope-To: lpieralisi@kernel.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1716216860; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aQwH77/vqcL6nAroUqOCPsVDtJd7S7+cLJcYruhNakw=; b=pBvoH/8efJEugUE9jNRbNpcO7Ugvrf9vZkfx0TBnxwyqrjgD15xaD1qrOPoURAeXuuCwC+ 9BmLFlJl3xeq2Le1KR/sxxnOIZ4nJh6F3v/b/OwL1tj+07PNhV4GxktJZxtA+LsUrOQlid xl1NFvbvhGruDAT+u1+58x0jT4r2UAE= X-Envelope-To: kw@linux.com X-Envelope-To: robh@kernel.org X-Envelope-To: linux-pci@vger.kernel.org X-Envelope-To: michal.simek@amd.com X-Envelope-To: thippeswamy.havalige@amd.com X-Envelope-To: linux-arm-kernel@lists.infradead.org X-Envelope-To: bhelgaas@google.com X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: sean.anderson@linux.dev X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sean Anderson To: Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , linux-pci@vger.kernel.org Cc: Michal Simek , Thippeswamy Havalige , linux-arm-kernel@lists.infradead.org, Bjorn Helgaas , linux-kernel@vger.kernel.org, Sean Anderson Subject: [PATCH v3 4/7] PCI: xilinx-nwl: Rate-limit misc interrupt messages Date: Mon, 20 May 2024 10:53:59 -0400 Message-Id: <20240520145402.2526481-5-sean.anderson@linux.dev> In-Reply-To: <20240520145402.2526481-1-sean.anderson@linux.dev> References: <20240520145402.2526481-1-sean.anderson@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240520_075423_023110_1F8EAF82 X-CRM114-Status: UNSURE ( 9.86 ) 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 The conditions logged by the misc interrupt can occur repeatedly and continuously. Avoid rendering the console unusable by rate-limiting these messages. Signed-off-by: Sean Anderson --- (no changes since v1) drivers/pci/controller/pcie-xilinx-nwl.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index ce881baac6d8..c0a60cebdb2e 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -267,37 +267,37 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void *data) return IRQ_NONE; if (misc_stat & MSGF_MISC_SR_RXMSG_OVER) - dev_err(dev, "Received Message FIFO Overflow\n"); + dev_err_ratelimited(dev, "Received Message FIFO Overflow\n"); if (misc_stat & MSGF_MISC_SR_SLAVE_ERR) - dev_err(dev, "Slave error\n"); + dev_err_ratelimited(dev, "Slave error\n"); if (misc_stat & MSGF_MISC_SR_MASTER_ERR) - dev_err(dev, "Master error\n"); + dev_err_ratelimited(dev, "Master error\n"); if (misc_stat & MSGF_MISC_SR_I_ADDR_ERR) - dev_err(dev, "In Misc Ingress address translation error\n"); + dev_err_ratelimited(dev, "In Misc Ingress address translation error\n"); if (misc_stat & MSGF_MISC_SR_E_ADDR_ERR) - dev_err(dev, "In Misc Egress address translation error\n"); + dev_err_ratelimited(dev, "In Misc Egress address translation error\n"); if (misc_stat & MSGF_MISC_SR_FATAL_AER) - dev_err(dev, "Fatal Error in AER Capability\n"); + dev_err_ratelimited(dev, "Fatal Error in AER Capability\n"); if (misc_stat & MSGF_MISC_SR_NON_FATAL_AER) - dev_err(dev, "Non-Fatal Error in AER Capability\n"); + dev_err_ratelimited(dev, "Non-Fatal Error in AER Capability\n"); if (misc_stat & MSGF_MISC_SR_CORR_AER) - dev_err(dev, "Correctable Error in AER Capability\n"); + dev_err_ratelimited(dev, "Correctable Error in AER Capability\n"); if (misc_stat & MSGF_MISC_SR_UR_DETECT) - dev_err(dev, "Unsupported request Detected\n"); + dev_err_ratelimited(dev, "Unsupported request Detected\n"); if (misc_stat & MSGF_MISC_SR_NON_FATAL_DEV) - dev_err(dev, "Non-Fatal Error Detected\n"); + dev_err_ratelimited(dev, "Non-Fatal Error Detected\n"); if (misc_stat & MSGF_MISC_SR_FATAL_DEV) - dev_err(dev, "Fatal Error Detected\n"); + dev_err_ratelimited(dev, "Fatal Error Detected\n"); if (misc_stat & MSGF_MISC_SR_LINK_AUTO_BWIDTH) dev_info(dev, "Link Autonomous Bandwidth Management Status bit set\n");