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 X-Spam-Level: X-Spam-Status: No, score=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B6E6C43612 for ; Tue, 8 Jan 2019 12:12:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C68782087E for ; Tue, 8 Jan 2019 12:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546949537; bh=T6m0dKZVliUU9xNTgRDym74Y+URjNa0LaY6gqMtauaw=; h=From:To:Cc:Subject:Date:List-ID:From; b=kfAxaZP+EjNknlxz8p1ZpetYD8gCe/i3OYBhoK2yNOXsCJjpdf7o1mAT+sRFHYQcX TwM81AYQRv4LrRZB8yr0LNkpqT+cGES0yCHo6nwK3l55NcN2P55hDbspThZ754gVBl DbSGWn+hsWTsrJYmu+vY3RMOVz47oD7Oc4fMxJrQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728942AbfAHMMR (ORCPT ); Tue, 8 Jan 2019 07:12:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:34314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727295AbfAHMMQ (ORCPT ); Tue, 8 Jan 2019 07:12:16 -0500 Received: from localhost.localdomain (unknown [37.223.143.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6A0EB206B7; Tue, 8 Jan 2019 12:12:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546949535; bh=T6m0dKZVliUU9xNTgRDym74Y+URjNa0LaY6gqMtauaw=; h=From:To:Cc:Subject:Date:From; b=yHQqEDPDoeiOiVMz0fJsHLuTC/dibq+/EFQRS+n3dd9tAHv/DsblOZ9L0mzxT/ze/ BvK4ocVK4NLTvt/pC9SUYYe6x6QeckMmBUnUI+yPtbD35DwYH62XV8RccTJ1VY9s+4 BMhFmtJJXUzvTue2Dq+kHtVAh3j1vJAabHTHXkrk= From: matthias.bgg@kernel.org To: mturquette@baylibre.com, sboyd@kernel.org, kevin-cw.chen@mediatek.com, mars.cheng@mediatek.com Cc: sean.wang@mediatek.com, matthias.bgg@gmail.com, jasu@njomotys.info, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Matthias Brugger Subject: [PATCH v3 0/3] Mark clocks as critical for MT6797 Date: Tue, 8 Jan 2019 13:12:05 +0100 Message-Id: <20190108121208.2473-1-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.16.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Matthias Brugger Jasper send this series some month ago. As there was no reaction from his side, I'll do a friendly take-over. I tested the patches on my Helios X20 boards and they fix the issue. I didn't add a Tested-by tag as I added my Signed-off-by. Changes since v2 (https://patchwork.kernel.org/patch/10686759/): - axi_sel is not needed, drop CLK_IS_CRITICAL for it. - update commit message - add Acked-by from Mars Changes since v1: - add a fixes tag. --- Currently, DRAM-related clocks and the axi_sel MUX are not marked with CLK_IS_CRITICAL for MT6797. This causes memory corruption when the system is booted without clk_ignore_unused. This patchset 1. Makes it possible to mark outputs of MUXes as critical by introducing a new macro, MUX_FLAGS, 2. Makes it possible to mark gates as critical by adding flags to mtk_gate, and 3. Marks axi_sel, ddrphycfg_sel, infra_dramc_f26m and infra_dramc_b_f26m as critical. The addition of flags to mtk_gate also exists in the patch series "Add basic and clock support for Mediatek MT8183 SoC" [1]. The type of flags is unsigned int in that series, but the real type is unsigned long, so my patch differs from that patch. [1] https://patchwork.kernel.org/patch/10549953/ Jasper Mattsson (3): clk: mediatek: Add MUX_FLAGS macro clk: mediatek: Add flags to mtk_gate clk: mediatek: Mark bus and DRAM related clocks as critical drivers/clk/mediatek/clk-gate.c | 4 ++- drivers/clk/mediatek/clk-gate.h | 3 +- drivers/clk/mediatek/clk-mt6797.c | 60 ++++++++++++++++++------------- drivers/clk/mediatek/clk-mtk.c | 2 +- drivers/clk/mediatek/clk-mtk.h | 9 +++-- 5 files changed, 48 insertions(+), 30 deletions(-) -- 2.20.1