From patchwork Mon Apr 18 17:43:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 8874241 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5C39EBF29F for ; Mon, 18 Apr 2016 17:43:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8CF51201C8 for ; Mon, 18 Apr 2016 17:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D7EB201ED for ; Mon, 18 Apr 2016 17:43:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753159AbcDRRn2 (ORCPT ); Mon, 18 Apr 2016 13:43:28 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:41145 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752129AbcDRRn1 (ORCPT ); Mon, 18 Apr 2016 13:43:27 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id u3IHhL4O017170; Mon, 18 Apr 2016 12:43:22 -0500 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id u3IHhLHw002948; Mon, 18 Apr 2016 12:43:21 -0500 Received: from dflp33.itg.ti.com (10.64.6.16) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.224.2; Mon, 18 Apr 2016 12:43:21 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id u3IHhJ7v013180; Mon, 18 Apr 2016 12:43:20 -0500 From: Grygorii Strashko To: Paul Walmsley , Tony Lindgren CC: Lokesh Vutla , Tero Kristo , , Grygorii Strashko Subject: [RFC PATCH 1/2] ARM: dts: dra7: remove davinci_mdio hwmod Date: Mon, 18 Apr 2016 20:43:16 +0300 Message-ID: <1461001397-25446-1-git-send-email-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The Davinci MDIO hwmod perform only one function now - registers "fck" clock alias for MDIO functional clock. From all other points of view it's fake: it's part of cpsw and do not have clkctrl or sysc registers. Hence, its safe to remove it and add "fck" in DT explicitly. Signed-off-by: Grygorii Strashko --- In general, Davinci mdio hwmode can be removed for dra7/am33/am43/dm814x SoCs now and for omap3/dm816x - after some additional re-working. RFC: because it will break DT ABI, mdio will not work on devices with old DTs and new kernel which still do have [ti,hwmods = "davinci_mdio"] property defined in DT: platform 48485000.mdio: Cannot lookup hwmod 'davinci_mdio' davinci_mdio 48485000.mdio: _od_fail_runtime_resume: FIXME: missing hwmod/omap_dev info davinci_mdio: probe of 48485000.mdio failed with error -5 arch/arm/boot/dts/dra7.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 13ac882..e264c14 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1494,7 +1494,8 @@ compatible = "ti,davinci_mdio"; #address-cells = <1>; #size-cells = <0>; - ti,hwmods = "davinci_mdio"; + clocks = <&dpll_gmac_ck>; + clock-names = "fck"; bus_freq = <1000000>; reg = <0x48485000 0x100>; };