From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F8C4368 for ; Sun, 8 Oct 2023 00:49:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mZgzpf7M" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C3D5C433C8; Sun, 8 Oct 2023 00:49:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696726194; bh=p+dbh/QJCK9y3FH8XFLOf8z4BWAv6SzXlCAHvuGIeJ8=; h=From:To:Cc:Subject:Date:From; b=mZgzpf7MoV1v+mbCYY9eTiepYHM5MsGnc5Y6COQ7n2fWPfPliwfgQsBEOusKRwJPl AJ0wKadde0Sl+H7AC3fRDhrN991uorr/dIdwnhL9CCsAlIqHfuN2TLP3zguWIng9Ht KNvRujlTMzuddlb9tih4QrmwkBW6ds8+6q1K9taX8n2g6fgwdgxDihznXnSffdpSok gSTcXgUIQuqwjGoX83rlP5dLb2hduTXXAZQ2nl2u0AqZBbpxG6wKYiAreZ7wrxBkFZ wLxoC+gZ4ogKvuKw/yzsG+EroQIut+rRnwtwbKLvECXglVyeh/1aqSqRkLrovWajep YbIMYUwUCWIHQ== 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 5.15 01/10] ARM: dts: ti: omap: Fix noisy serial with overrun-throttle-ms for mapphone Date: Sat, 7 Oct 2023 20:49:40 -0400 Message-Id: <20231008004950.3768189-1-sashal@kernel.org> X-Mailer: git-send-email 2.40.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.134 Content-Transfer-Encoding: 8bit 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/motorola-mapphone-common.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi index a4423ff0df392..77c05984c395a 100644 --- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi +++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi @@ -640,6 +640,7 @@ &uart1 { &uart3 { interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH &omap4_pmx_core 0x17c>; + overrun-throttle-ms = <500>; }; &uart4 { -- 2.40.1