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 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 B4831C52D6F for ; Wed, 7 Aug 2024 13:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:CC:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NkkpVq0CuwgQWw4OlBnq3OtVXQR2J5cQP4ilZttmd6E=; b=r1xRhvSZ0uLMuE1gdGqLdGUwA6 Nu2qNRwYuNxnxeHgD+E9IxVCqrO1N7X8sgcTSDPaZk9a2KaD30ZFHbiY0KM0yovF8NMzMoDf1sbke JAPAmJugkp38ErFfxkzPYNEr7T8UI5W+LYjil+/2VApV5uSBSi+rAHslwnDx/u+gupq/xPKQglyXv TvfsF7RCnLMzLss48N5KicU+O1YmY/WmbHsRaJmG05QE5T+i913V50iwiAcVFYG9iBPw2RJ0oypNc 3t+f9nLZn1JG2CavorBgJcL+xyjlbnOqlponxBOoAycJtTmHsNx+8cx8azUJ/55JsTNp3r3jhwdI0 Jq81W11w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbgjF-000000058zv-2WZZ; Wed, 07 Aug 2024 13:29:25 +0000 Received: from lelv0143.ext.ti.com ([198.47.23.248]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sbgih-000000058pa-2RKv for linux-arm-kernel@lists.infradead.org; Wed, 07 Aug 2024 13:28:53 +0000 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 477DSmGf068680; Wed, 7 Aug 2024 08:28:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1723037328; bh=NkkpVq0CuwgQWw4OlBnq3OtVXQR2J5cQP4ilZttmd6E=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=x/7PjWS8KUDGqBNUpDGNEvJjiU1jFlGx5EqzH+Za2ejS3VfI8F8E7mNsW8f5dGcDY 1j2i8U97EPagovPZDx5CYRX8eFdrLYUEcoLZx+6IFy0lVnweVD1AI+PsWNmkZBuF9P Tepg3u4boxk7JfFvmKucL3kBWeMBdgRRvKZdduag= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 477DSm9F010900 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 7 Aug 2024 08:28:48 -0500 Received: from DLEE110.ent.ti.com (157.170.170.21) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 7 Aug 2024 08:28:47 -0500 Received: from lelvsmtp6.itg.ti.com (10.180.75.249) by DLEE110.ent.ti.com (157.170.170.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 7 Aug 2024 08:28:48 -0500 Received: from localhost (uda0133052.dhcp.ti.com [128.247.81.232]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 477DSlWF014879; Wed, 7 Aug 2024 08:28:47 -0500 Date: Wed, 7 Aug 2024 08:28:47 -0500 From: Nishanth Menon To: Siddharth Vadapalli CC: , , , , , , , , Subject: Re: [PATCH] arm64: dts: ti: k3-j784s4-evm: Use 4 lanes for PCIe0 on EVM Message-ID: <20240807132847.3qca5ijdwsasdf4y@legroom> References: <20240720110455.3043327-1-s-vadapalli@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240720110455.3043327-1-s-vadapalli@ti.com> X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240807_062851_738348_A25ABFEC X-CRM114-Status: GOOD ( 21.49 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 16:34-20240720, Siddharth Vadapalli wrote: > The PCIe0 instance of the PCIe controller on J784S4 SoC supports up to 4 > lanes. Additionally, all 4 lanes of PCIe0 can be utilized on J784S4-EVM > via SERDES1. Since SERDES1 is not being used by any peripheral apart > from PCIe0, use all 4 lanes of SERDES1 for PCIe0. > > Fixes: 27ce26fe52d4 ("arm64: dts: ti: k3-j784s4-evm: Enable PCIe0 and PCIe1 in RC Mode") > Signed-off-by: Siddharth Vadapalli > --- > > Hello, > > This patch is based on linux-next tagged next-20240715. > Patch has been tested on J784S4-EVM. Logs: > https://gist.github.com/Siddharth-Vadapalli-at-TI/2b9b1196ff6b9eac895a7986e5ff4456 > NOTE: Patch applies cleanly on Mainline Linux's latest commit > 3c3ff7be9729 Merge tag 'powerpc-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux > > Regards, > Siddharth. > > arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts > index ffa38f41679d..ea27519d7b89 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts > @@ -1407,10 +1407,11 @@ &serdes1 { > > serdes1_pcie0_link: phy@0 { > reg = <0>; > - cdns,num-lanes = <2>; > + cdns,num-lanes = <4>; > #phy-cells = <0>; > cdns,phy-type = ; > - resets = <&serdes_wiz1 1>, <&serdes_wiz1 2>; > + resets = <&serdes_wiz1 1>, <&serdes_wiz1 2>, > + <&serdes_wiz1 3>, <&serdes_wiz1 4>; > }; OK - I see the reason why https://lore.kernel.org/all/20240807132054.jcz5fdokc5yk3mbo@entrust/ was missed. Please sync with Manorit to make sure we sequence these correctly - looks to me that this fixup needs to get in first? have you also checked up on AM69-SK ? > }; > > -- > 2.40.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D