From mboxrd@z Thu Jan 1 00:00:00 1970 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 0773BC433EF for ; Tue, 5 Jul 2022 17:03:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229525AbiGERDr (ORCPT ); Tue, 5 Jul 2022 13:03:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229482AbiGERDq (ORCPT ); Tue, 5 Jul 2022 13:03:46 -0400 Received: from lelv0143.ext.ti.com (lelv0143.ext.ti.com [198.47.23.248]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 265E618E05; Tue, 5 Jul 2022 10:03:45 -0700 (PDT) Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 265H3gih079921; Tue, 5 Jul 2022 12:03:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1657040622; bh=DLRqHH9OY7cPnqUUpAZRs3gZjGYSOUsDZ1PR6GKyV0w=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=yr+PWhfjeTeiPRiEyYa+KKtt3v9gEGfbHnxBTxA1mJaxCIRrkxVKp77AGknWGaFTj mXw501F7XLbe4SyQsuMtuYCTTD3b0K59ZUTOZW/xklKe7HzmwLREyUhtTEkvOACk0S pdpOQhyJqGu4yBXWpFAWjg7FCjSGeQ8dHown51qA= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 265H3grN083627 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 5 Jul 2022 12:03:42 -0500 Received: from DLEE100.ent.ti.com (157.170.170.30) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Tue, 5 Jul 2022 12:03:42 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Tue, 5 Jul 2022 12:03:42 -0500 Received: from ula0226330.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 265H3e08118192; Tue, 5 Jul 2022 12:03:41 -0500 From: Andrew Davis To: Nishanth Menon , Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , , CC: Andrew Davis Subject: [PATCH 3/6] arm64: dts: ti: k3-am65-main: Disable RNG node Date: Tue, 5 Jul 2022 12:03:37 -0500 Message-ID: <20220705170340.26719-3-afd@ti.com> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220705170340.26719-1-afd@ti.com> References: <20220705170340.26719-1-afd@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The hardware random number generator is used by OP-TEE and is access is denied to other users with SoC level bus firewalls. Any access to this device from Linux will result in firewall errors. Disable this node. Signed-off-by: Andrew Davis --- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index e749343accedd..113e959ba06d0 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -127,6 +127,7 @@ rng: rng@4e10000 { reg = <0x0 0x4e10000 0x0 0x7d>; interrupts = ; clocks = <&k3_clks 136 1>; + status = "disabled"; }; }; -- 2.36.1