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 5715F368 for ; Sun, 8 Oct 2023 00:50:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="G/6ZygOR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C5231C43142; Sun, 8 Oct 2023 00:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696726257; bh=wDWIqD460oEsh3nRxYpDhP8nQPY+vgqfxSoDuHNiGaw=; h=From:To:Cc:Subject:Date:From; b=G/6ZygORBvQANDIhFR6k9l+993r99YWqhT8smGfQCXmp9E3JPWUxxUYfwpzd6VI4Q fICnvjtmJmUVVnhXLxn/LwK0KP9Lmz+Bnw/gJegyQBn3KBq+OGrXGSK5FpEJVRVpxi /S7xmdC/snJIDixyY6Asi4Liybhw1IVAc/BuBhqPrOnJb2Tj9/KP1J/d2Si+rh0oh9 0HeXJA91w6NJTc/yY+mRLTje0J5miE4da9nnW1usQ6sbluSX5HFFV7K01sw0VQOyTz mL+660cmz7tHUQrX4BqGLJ6sy1yhehARF5RMKLHAQD8cWW/R2uNIsDK0dPPuhR6jvP pPg8KtBZNAoGQ== 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 4.14 1/7] ARM: dts: ti: omap: Fix noisy serial with overrun-throttle-ms for mapphone Date: Sat, 7 Oct 2023 20:50:47 -0400 Message-Id: <20231008005053.3768625-1-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 4.14.326 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/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 bad690b23081b..6d2ee40d88e1c 100644 --- a/arch/arm/boot/dts/omap4-droid4-xt894.dts +++ b/arch/arm/boot/dts/omap4-droid4-xt894.dts @@ -533,6 +533,7 @@ OMAP4_IOPAD(0X1d0, PIN_OUTPUT | MUX_MODE1) /* dmtimer9_pwm_evt (gpio_28) */ &uart3 { interrupts-extended = <&wakeupgen GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH &omap4_pmx_core 0x17c>; + overrun-throttle-ms = <500>; }; &uart4 { -- 2.40.1