From patchwork Thu Sep 28 14:56:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Ferre X-Patchwork-Id: 13403208 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12D59E732DF for ; Thu, 28 Sep 2023 14:58:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=Wx3AShhE0nsZSNNWT7eK+/1gUQBSMxp23a5MueiPO0I=; b=QV8wiMfEGCiGGY VaMxpoThZIm7+5RtnFGcUMs/uT0DpdfWZafggqT9UK2uuaWmf8f3+MhK+90ZeumBvZjRlIMKl8/BM G9fsnWnFK0aurEG6n95kGE9bCDpRcGoUxLZn19X0R5F9LteyhwHzkgToZi3BtDSKMMm1Yz/CalV1I 5kQvE/f4Tfw4SgOtt09rPxJwjFzOgqvtutN+mVGSjZyeSX3CamD2ZpN1y3lpfZbX8v4dYtuf0SGeL +RtjvNfPnY6XM/z2Vh/fq6M5vnV/angyi4v7GluGyIYYJNzA6d/fjM3PHml4cB/F/veaxcnd9bd/Y goB19wV+5jgPj9DR5coA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qlsSX-0058cV-0Z; Thu, 28 Sep 2023 14:57:45 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qlsSU-0058Xm-0b for linux-arm-kernel@lists.infradead.org; Thu, 28 Sep 2023 14:57:44 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1695913062; x=1727449062; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=E5+tmPZYwvTypdMShXuSxHArtHxRd4fHU6kmi+JT+Xw=; b=p8vcSpn3lcv9WuKm/F9YR/mhi6J415A6RET4wuSHwrBRqXXJ3cT4lZZY gBvYimRKE5z8+bxsx4L45UdGBgTQmHGYDRFoMzixr77sb/D29KD8U+6E6 7etSwLl0LnIJBgWcMNVSxhDCfI0W/n1+vs1v8bBvUb6cgkHnjPeCVcJ/h rFDPRVlEOXfUTPSHKYs43IFGgDtepNLKKvzWexiconAlFNDErrFGo7/gT cog8Ec8dbkmQxylHnOTmZOEepBEeQ8KsaatEK9YfW4Y/KlXHIqqNAQzlQ XK+l+WrAqBMqNeoprkRBq7v8n/3TuHwe8F50D+KOV4AeUmM8nCHTITLrH A==; X-CSE-ConnectionGUID: x0+RDp7zQXe4gBpngNFbLg== X-CSE-MsgGUID: QdNHBAbySVGQvUtFhKmypg== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,184,1694761200"; d="scan'208";a="174116571" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 28 Sep 2023 07:57:30 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 28 Sep 2023 07:57:20 -0700 Received: from ROU-LL-M43238.home (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 28 Sep 2023 07:57:18 -0700 From: To: , Claudiu Beznea , Subject: [RFC PATCH] ARM: dts: at91: sama5d3_eds: remove TDES use Date: Thu, 28 Sep 2023 16:56:55 +0200 Message-ID: <20230928145655.215481-1-nicolas.ferre@microchip.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230928_075742_289908_D236A3F1 X-CRM114-Status: GOOD ( 11.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Belloni , linux-kernel@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nicolas Ferre TDES doesn't probe because of lack of DMA channels left on this controller. As we don't need TDES HW engine, we prefer to keep DMA channels for other usage. Disable TDES for this board. Signed-off-by: Nicolas Ferre --- Hi, Tell me what you think about this move. I think it makes sense but tell me if application could suffer from this lack of TDES engine. Regards, Nicolas arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts b/arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts index c287b03d768b..fddd786f8483 100644 --- a/arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts +++ b/arch/arm/boot/dts/microchip/at91-sama5d3_eds.dts @@ -284,6 +284,10 @@ timer1: timer@1 { }; }; +&tdes { + status = "disabled"; +}; + &usb0 { /* USB Device port with VBUS detection. */ atmel,vbus-gpio = <&pioE 9 GPIO_ACTIVE_HIGH>; pinctrl-names = "default";