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 1E849E95A67 for ; Sun, 8 Oct 2023 00:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229717AbjJHAvm (ORCPT ); Sat, 7 Oct 2023 20:51:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234239AbjJHAvR (ORCPT ); Sat, 7 Oct 2023 20:51:17 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBC7D2686; Sat, 7 Oct 2023 17:50:28 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE322C433BA; Sun, 8 Oct 2023 00:50:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696726228; bh=jnSFQzi5NX1X4tZMw5o+/fReOaug/gjBryq09u2qCCc=; h=From:To:Cc:Subject:Date:From; b=BjIOGvfMu8MYx618vX3GcTjchPSM7j5KLL5HBxmByvUmBQngyXsezjEs8+1emCz13 xVkoAZ3HJouuOcAc12ii4cCSiCy7jlztXBEQWMY4JKBYpD4T8IN8r9fWl8nODpyyTp kpwfTxVQaeFbkYDoRHq4bJBeplDcaso/BIkk2zgpkzkRbzmislOHUxSPHlU58Mm7dx 7Gi89XsMyS/g9LMmO5vSn+r/16kCCi/njeVU0O7Z4a5PXPWCBXXjLl1cpnHV+sDZug xHpC8QvkJJ0WHsgoc+KM7A1z9QLMsTanU+Xx89WD+sGDgFl9GEVOFJdOQAMA788w70 G6vwU0QuFEtYQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tony Lindgren , Ivaylo Dimitrov , Carl Philipp Klemm , Merlijn Wajer , Pavel Machek , Sebastian Reichel , Sasha Levin , robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 1/8] ARM: dts: ti: omap: Fix noisy serial with overrun-throttle-ms for mapphone Date: Sat, 7 Oct 2023 20:50:17 -0400 Message-Id: <20231008005024.3768418-1-sashal@kernel.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.4.257 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tony Lindgren [ Upstream commit 5ad37b5e30433afa7a5513e3eb61f69fa0976785 ] On mapphone devices we may get lots of noise on the micro-USB port in debug uart mode until the phy-cpcap-usb driver probes. Let's limit the noise by using overrun-throttle-ms. Note that there is also a related separate issue where the charger cable connected may cause random sysrq requests until phy-cpcap-usb probes that still remains. Cc: Ivaylo Dimitrov Cc: Carl Philipp Klemm Cc: Merlijn Wajer Cc: Pavel Machek Reviewed-by: Sebastian Reichel Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- arch/arm/boot/dts/omap4-droid4-xt894.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/omap4-droid4-xt894.dts b/arch/arm/boot/dts/omap4-droid4-xt894.dts index a40fe8d49da64..64373a792122a 100644 --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -678,6 +678,7 @@ &uart1 { &uart3 { interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH &omap4_pmx_core 0x17c>; + overrun-throttle-ms = <500>; }; &uart4 { -- 2.40.1