From nobody Fri Dec 19 02:37:13 2025 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 D192AE732DF for ; Thu, 28 Sep 2023 14:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231426AbjI1O5f (ORCPT ); Thu, 28 Sep 2023 10:57:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231371AbjI1O5d (ORCPT ); Thu, 28 Sep 2023 10:57:33 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D76F81A8 for ; Thu, 28 Sep 2023 07:57:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1695913052; x=1727449052; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=E5+tmPZYwvTypdMShXuSxHArtHxRd4fHU6kmi+JT+Xw=; b=CeMwrtQemnGnxXNt9AdmweQGcXTtffbzLXty2/WvHpFHB1+RGa90vSqB KyK3ig45WLVZqhSm12uD+IvBCbmckJcYhgRnF6YbsFU7pYfcDTosLAntS e0q+huUuNcvFCuCgWNlPyCXGOoA6cdcTw2xjMoonD29sqlKu4itn3pZvX YkwkfRqZgEvKTwERRXzzJJjqqLOIVYLE+N8Ve+Ziiric+ZLt29DbO7s50 UoMRW+r9fkiv3DZYatQ3HqmRttNKznaOR4I95vSLMUKOF6TLFm/CzEzBO s4eCUet72IFvrmdCzbNhmcJ89QNTC8XcdvmrQR2i5e2MGF4rYmAgm2p65 w==; 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 , CC: Alexandre Belloni , , Nicolas Ferre 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 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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/bo= ot/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 { }; }; =20 +&tdes { + status =3D "disabled"; +}; + &usb0 { /* USB Device port with VBUS detection. */ atmel,vbus-gpio =3D <&pioE 9 GPIO_ACTIVE_HIGH>; pinctrl-names =3D "default"; --=20 2.39.2