From patchwork Tue Jan 2 16:18:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ezra Buehler X-Patchwork-Id: 759507 Received: from mail-ed1-f47.google.com (mail-ed1-f47.google.com [209.85.208.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C639314F60 for ; Tue, 2 Jan 2024 16:18:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=easyb.ch Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=easyb.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=easyb-ch.20230601.gappssmtp.com header.i=@easyb-ch.20230601.gappssmtp.com header.b="Eebx0Vvo" Received: by mail-ed1-f47.google.com with SMTP id 4fb4d7f45d1cf-555daab65b0so1038701a12.0 for ; Tue, 02 Jan 2024 08:18:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=easyb-ch.20230601.gappssmtp.com; s=20230601; t=1704212322; x=1704817122; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=AK39mKKFpj4484b33ot/DtFluDWhKNvbgmlLtz4KmTg=; b=Eebx0VvosFlh+FhzJTScXFVeaRNVTJr/IHy2POm+vTfAaTwuCDjOjNg/AL+LnZd90u GhxDkntD3obTjJ3CiAxbtrSzhaKg1u6pe5s1fAbImfuxOguHuJZZKllPiMrWf4IRp4tc YXd5vcRpHeGuWLnjZ/ALmSK31CpOAcmWQVwpjlk/XB0Wl85LUo0x1stIijOJvLdMvOIP 8ccCUSebufmHtaeTTzrob8C3G1XOXhBaxCB120Wj9l21pOqoIR9hNFYzyJyWQN8jNKSC TDbkm1JHn7Et0CZeByU5XZwzUQ1vyR7Xj0mJ4fYnN9VhWebSa+qZRyS9pgXYJQ3d2f8A 26Tg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704212322; x=1704817122; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AK39mKKFpj4484b33ot/DtFluDWhKNvbgmlLtz4KmTg=; b=KL7Bdysv4DRG8CQ0LiV+znAV1q+u5gsGS/vbMEc9ncBbU+6K1qxvagqlt5BMw7Jpsc ryzQgE1UnS8SSH4uoej73Ei+YLSQZWz+BGt86+L3wGXbQlz5HMLGkfAQCNBlrHCAJyjv oQ3l1xlhaGIKkwj1DjY3yp6b98/AhlsJ9ben8hCVXeidTaT0SeBzMIttDOJNBO0iC+YS yUTkwgitbU8UXDYMufMVA728FWpLZYCI3drXAR7N7H6aq0DsrEkQYFgxDzhaYo0ih7dV VnBm5muJ2VCqhFpvtSBxue6U2zk0vXwrPNG685syV0X4DAVuBor92cZp0ibFDnsIB3rN +Gbw== X-Gm-Message-State: AOJu0YwajnSOU2kWS3E9bnmayzMIAneyZ/WKzOeFY4XBpmrkjO44NIf+ a1Ogwqg1ZiQUAjnAO1MUfw7vMemAKg0euA== X-Google-Smtp-Source: AGHT+IFkEUSHclWLMmNvocNvT6r3BYQbOlDeQqrx4PcfcjUwNpe1HxozeIdKG4JExExi3i02BP1n9w== X-Received: by 2002:a50:d74f:0:b0:54c:6fc0:483a with SMTP id i15-20020a50d74f000000b0054c6fc0483amr20387267edj.2.1704212321729; Tue, 02 Jan 2024 08:18:41 -0800 (PST) Received: from fraxinus.easyland ([77.109.191.117]) by smtp.gmail.com with ESMTPSA id h12-20020a0564020e0c00b005561a8c2badsm3969191edh.83.2024.01.02.08.18.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jan 2024 08:18:41 -0800 (PST) From: ezra@easyb.ch X-Google-Original-From: ezra.buehler@husqvarna.com To: Alexandre Belloni , Claudiu Beznea , Conor Dooley , Krzysztof Kozlowski , Nicolas Ferre , Rob Herring , linux-arm-kernel@lists.infradead.org Cc: Reto Schneider , Michael Zimmermann , devicetree@vger.kernel.org, Ezra Buehler Subject: [PATCH v1 0/2] ARM: dts: at91: gardena-smart-gateway: Use DMA for serial ports Date: Tue, 2 Jan 2024 17:18:37 +0100 Message-Id: <20240102161839.702625-1-ezra.buehler@husqvarna.com> X-Mailer: git-send-email 2.39.2 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Ezra Buehler On our AT91SAM9G25-based GARDENA smart Gateway we have been experiencing various problems which we were able to trace back to unreliable UART communication. Enabling DMA for the serial ports resolved these issues. Ezra Buehler (2): ARM: dts: at91: at91sam9x5ek: Use DMA for DBGU serial port ARM: dts: at91: gardena-smart-gateway: Use DMA for USART3 .../boot/dts/microchip/at91sam9g25-gardena-smart-gateway.dts | 2 ++ arch/arm/boot/dts/microchip/at91sam9x5ek.dtsi | 2 ++ 2 files changed, 4 insertions(+) Acked-by: Nicolas Ferre --- 2.39.2