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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8321EC77B7E for ; Thu, 25 May 2023 18:57:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243443AbjEYS5M (ORCPT ); Thu, 25 May 2023 14:57:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243224AbjEYSy5 (ORCPT ); Thu, 25 May 2023 14:54:57 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F21E04204; Thu, 25 May 2023 11:46:33 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E96DC6497D; Thu, 25 May 2023 18:43:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B750AC4339B; Thu, 25 May 2023 18:43:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685040239; bh=mQZOCKaKu/hy1ed/IVeQUFZPlBqiN0A0UWtyYRHjdh8=; h=From:To:Cc:Subject:Date:From; b=PNKuDSq3ppJoagBmHEK4uP9ITaRrzbWs0thK96/hIxTn3mUXHLm0/8kEnqwxTr7iN gwrWvpJCrwlmtVWut20DJMSneDJG3f/kJgIz7Ms2iChyRsiH9JPDp/jLI3ZAEgu6n9 qZJf8Wj3ti9Y56y9crCAID9UdzsFNaowyBv5mHj2xLjFlTDiGNt1t7fSjsd51KpxuF ywt7l73QPv1VqEpq7f7vbQUlGa5T9amkWnlFKkm8mDHTqK8DS7DYLwvhcyDn/LbShN sIzro2bCbagWueYY3+oDlnerxwCa0JW4kvqxWpin3ga2PeLGPreVXIhTncyLLlOjtn OoBakceLcOg2w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Maxim Kochetkov , Sasha Levin , lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, ckeepax@opensource.cirrus.com, nicolas.ferre@microchip.com, u.kleine-koenig@pengutronix.de, alsa-devel@alsa-project.org Subject: [PATCH AUTOSEL 4.19 01/27] ASoC: dwc: limit the number of overrun messages Date: Thu, 25 May 2023 14:43:27 -0400 Message-Id: <20230525184356.1974216-1-sashal@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Maxim Kochetkov [ Upstream commit ab6ecfbf40fccf74b6ec2ba7ed6dd2fc024c3af2 ] On slow CPU (FPGA/QEMU emulated) printing overrun messages from interrupt handler to uart console may leads to more overrun errors. So use dev_err_ratelimited to limit the number of error messages. Signed-off-by: Maxim Kochetkov --- sound/soc/dwc/dwc-i2s.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/dwc/dwc-i2s.c b/sound/soc/dwc/dwc-i2s.c index 65112b9d8588a..90b8814d7506a 100644 --- a/sound/soc/dwc/dwc-i2s.c +++ b/sound/soc/dwc/dwc-i2s.c @@ -132,13 +132,13 @@ static irqreturn_t i2s_irq_handler(int irq, void *dev_id) /* Error Handling: TX */ if (isr[i] & ISR_TXFO) { - dev_err(dev->dev, "TX overrun (ch_id=%d)\n", i); + dev_err_ratelimited(dev->dev, "TX overrun (ch_id=%d)\n", i); irq_valid = true; } /* Error Handling: TX */ if (isr[i] & ISR_RXFO) { - dev_err(dev->dev, "RX overrun (ch_id=%d)\n", i); + dev_err_ratelimited(dev->dev, "RX overrun (ch_id=%d)\n", i); irq_valid = true; } } -- 2.39.2