From patchwork Tue Jan 8 12:12:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10751947 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1CB486C5 for ; Tue, 8 Jan 2019 12:12:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 05AD928BF2 for ; Tue, 8 Jan 2019 12:12:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE10E28C18; Tue, 8 Jan 2019 12:12:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9213528BF2 for ; Tue, 8 Jan 2019 12:12:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728944AbfAHMMT (ORCPT ); Tue, 8 Jan 2019 07:12:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:34386 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728760AbfAHMMT (ORCPT ); Tue, 8 Jan 2019 07:12:19 -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 1FEE320850; Tue, 8 Jan 2019 12:12:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546949538; bh=GbMzRensU03GT9hjWsSQCVuqqG+tPntmwIoS4ac4+Fg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oCNSQy50IPlll4Xu2ka1u4t7+FyEbf98Y+EjdA+edI5PryZwRs/NCaYEHCbs7B6Jv y/YfcR11K/kOXCr1PrNlay6mugj/63Y41g4gO60u6AljVTAGpA1PBkqBkyWhWsDCHu BeYfG2LMqUY/qPmLNtTToSnPCLS82dKus8wQunek= 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 Subject: [PATCH v3 1/3] clk: mediatek: Add MUX_FLAGS macro Date: Tue, 8 Jan 2019 13:12:06 +0100 Message-Id: <20190108121208.2473-2-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190108121208.2473-1-matthias.bgg@kernel.org> References: <20190108121208.2473-1-matthias.bgg@kernel.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jasper Mattsson This is required to mark outputs of certain MUXes as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson Acked-by: Mars Cheng Signed-off-by: Matthias Brugger --- drivers/clk/mediatek/clk-mtk.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index f83c2bbb677e..daab6ee94788 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -111,7 +111,11 @@ struct mtk_composite { MUX_GATE_FLAGS(_id, _name, _parents, _reg, _shift, _width, \ _gate, CLK_SET_RATE_PARENT) -#define MUX(_id, _name, _parents, _reg, _shift, _width) { \ +#define MUX(_id, _name, _parents, _reg, _shift, _width) \ + MUX_FLAGS(_id, _name, _parents, _reg, \ + _shift, _width, CLK_SET_RATE_PARENT) + +#define MUX_FLAGS(_id, _name, _parents, _reg, _shift, _width, _flags) { \ .id = _id, \ .name = _name, \ .mux_reg = _reg, \ @@ -121,7 +125,7 @@ struct mtk_composite { .divider_shift = -1, \ .parent_names = _parents, \ .num_parents = ARRAY_SIZE(_parents), \ - .flags = CLK_SET_RATE_PARENT, \ + .flags = _flags, \ } #define DIV_GATE(_id, _name, _parent, _gate_reg, _gate_shift, _div_reg, \ From patchwork Tue Jan 8 12:12:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10751945 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6825217D2 for ; Tue, 8 Jan 2019 12:12:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5675C28BF2 for ; Tue, 8 Jan 2019 12:12:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4A7E928C18; Tue, 8 Jan 2019 12:12:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 610E028BF2 for ; Tue, 8 Jan 2019 12:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728968AbfAHMMY (ORCPT ); Tue, 8 Jan 2019 07:12:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:34424 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728760AbfAHMMV (ORCPT ); Tue, 8 Jan 2019 07:12:21 -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 A0DF32087E; Tue, 8 Jan 2019 12:12:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546949540; bh=es46TivW9Kpxp/jDOK1Lil3w0c11Tvpf4AabeEtZPO4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yFZjEtDs1AZHXXn7vAbebvOgp5xSSloJB1xI8pzf/dzV4CeNstN8HZulOetH/GTNS tUbKqABuYjWE+sThWZA30NwUdhaPzPDxEw35WZdzjqFVVR2W2r/ezWxTdK/sw0gvS6 Y0yw5lmsg2Lg2ihtWbCHe8EGnBhxZuwhYs+lClZc= 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 Subject: [PATCH v3 2/3] clk: mediatek: Add flags to mtk_gate Date: Tue, 8 Jan 2019 13:12:07 +0100 Message-Id: <20190108121208.2473-3-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190108121208.2473-1-matthias.bgg@kernel.org> References: <20190108121208.2473-1-matthias.bgg@kernel.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jasper Mattsson This is required to mark gates as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson Acked-by: Mars Cheng Signed-off-by: Matthias Brugger --- drivers/clk/mediatek/clk-gate.c | 4 +++- drivers/clk/mediatek/clk-gate.h | 3 ++- drivers/clk/mediatek/clk-mtk.c | 2 +- drivers/clk/mediatek/clk-mtk.h | 1 + 4 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c index 934bf0e45e26..9628d4e7690b 100644 --- a/drivers/clk/mediatek/clk-gate.c +++ b/drivers/clk/mediatek/clk-gate.c @@ -157,7 +157,8 @@ struct clk *mtk_clk_register_gate( int clr_ofs, int sta_ofs, u8 bit, - const struct clk_ops *ops) + const struct clk_ops *ops, + unsigned long flags) { struct mtk_clk_gate *cg; struct clk *clk; @@ -172,6 +173,7 @@ struct clk *mtk_clk_register_gate( init.parent_names = parent_name ? &parent_name : NULL; init.num_parents = parent_name ? 1 : 0; init.ops = ops; + init.flags = flags; cg->regmap = regmap; cg->set_ofs = set_ofs; diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h index 72ef89b3ad7b..9f766dfe1d57 100644 --- a/drivers/clk/mediatek/clk-gate.h +++ b/drivers/clk/mediatek/clk-gate.h @@ -47,6 +47,7 @@ struct clk *mtk_clk_register_gate( int clr_ofs, int sta_ofs, u8 bit, - const struct clk_ops *ops); + const struct clk_ops *ops, + unsigned long flags); #endif /* __DRV_CLK_GATE_H */ diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index 9c0ae4278a94..ef410413bb0b 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -130,7 +130,7 @@ int mtk_clk_register_gates(struct device_node *node, gate->regs->set_ofs, gate->regs->clr_ofs, gate->regs->sta_ofs, - gate->shift, gate->ops); + gate->shift, gate->ops, gate->flags); if (IS_ERR(clk)) { pr_err("Failed to register clk %s: %ld\n", diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index daab6ee94788..987ff2855249 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -162,6 +162,7 @@ struct mtk_gate { const struct mtk_gate_regs *regs; int shift; const struct clk_ops *ops; + unsigned long flags; }; int mtk_clk_register_gates(struct device_node *node, From patchwork Tue Jan 8 12:12:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Brugger X-Patchwork-Id: 10751941 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C539B1399 for ; Tue, 8 Jan 2019 12:12:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B337B205E9 for ; Tue, 8 Jan 2019 12:12:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A79DF28C13; Tue, 8 Jan 2019 12:12:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0EB3F205E9 for ; Tue, 8 Jan 2019 12:12:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728760AbfAHMMZ (ORCPT ); Tue, 8 Jan 2019 07:12:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:34474 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728756AbfAHMMY (ORCPT ); Tue, 8 Jan 2019 07:12:24 -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 2CA912087F; Tue, 8 Jan 2019 12:12:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546949543; bh=OzgpK4rvn1UmkXsAxAA2XXllzzALu/U6bBbow7VBJpM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W//lyRUc9It7SpaiXeZA+ZXyyaXoiV9mWIrMDf06Z9NGTe/vddoXQqvJVTZQ4frHi n8sEWZbb5MsVHTqsh5ivjjaiV3HA8/nTaQKhYcVE45UzQuM8vTwcUrQTRu0HI0gnRH 7b046D9WhQ+1V0YQRZeggJ6zfdQcTo34wWs68ltM= 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 Subject: [PATCH v3 3/3] clk: mediatek: Mark bus and DRAM related clocks as critical Date: Tue, 8 Jan 2019 13:12:08 +0100 Message-Id: <20190108121208.2473-4-matthias.bgg@kernel.org> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20190108121208.2473-1-matthias.bgg@kernel.org> References: <20190108121208.2473-1-matthias.bgg@kernel.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jasper Mattsson Currently, DRAM-related clocks are not marked with CLK_IS_CRITICAL for MT6797. This causes memory corruption when the system is booted without clk_ignore_unused. This patch marks MUX ddrphycfg_sel as well as gates infra_dramc_f26m and infra_dramc_b_f26m as CLK_IS_CRITICAL. Signed-off-by: Jasper Mattsson Signed-off-by: Matthias Brugger --- drivers/clk/mediatek/clk-mt6797.c | 60 ++++++++++++++++++------------- 1 file changed, 35 insertions(+), 25 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt6797.c b/drivers/clk/mediatek/clk-mt6797.c index 5702bc974ed9..a6e5408e0388 100644 --- a/drivers/clk/mediatek/clk-mt6797.c +++ b/drivers/clk/mediatek/clk-mt6797.c @@ -331,8 +331,8 @@ static const struct mtk_composite top_muxes[] = { ulposc_axi_ck_mux_parents, 0x0040, 2, 1), MUX(CLK_TOP_MUX_AXI, "axi_sel", axi_parents, 0x0040, 0, 2), - MUX(CLK_TOP_MUX_DDRPHYCFG, "ddrphycfg_sel", ddrphycfg_parents, - 0x0040, 16, 2), + MUX_FLAGS(CLK_TOP_MUX_DDRPHYCFG, "ddrphycfg_sel", ddrphycfg_parents, + 0x0040, 16, 2, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT), MUX(CLK_TOP_MUX_MM, "mm_sel", mm_parents, 0x0040, 24, 2), MUX_GATE(CLK_TOP_MUX_PWM, "pwm_sel", pwm_parents, 0x0050, 0, 3, 7), @@ -424,31 +424,39 @@ static const struct mtk_gate_regs infra2_cg_regs = { .sta_ofs = 0x00b0, }; -#define GATE_ICG0(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &infra0_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ +#define GATE_ICG0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &infra0_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ } -#define GATE_ICG1(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &infra1_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ +#define GATE_ICG1(_id, _name, _parent, _shift) \ + GATE_ICG1_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_ICG1_FLAGS(_id, _name, _parent, _shift, _flags) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &infra1_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + .flags = _flags, \ } -#define GATE_ICG2(_id, _name, _parent, _shift) { \ - .id = _id, \ - .name = _name, \ - .parent_name = _parent, \ - .regs = &infra2_cg_regs, \ - .shift = _shift, \ - .ops = &mtk_clk_gate_ops_setclr, \ +#define GATE_ICG2(_id, _name, _parent, _shift) \ + GATE_ICG2_FLAGS(_id, _name, _parent, _shift, 0) + +#define GATE_ICG2_FLAGS(_id, _name, _parent, _shift, _flags) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &infra2_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + .flags = _flags, \ } static const struct mtk_gate infra_clks[] = { @@ -505,7 +513,8 @@ static const struct mtk_gate infra_clks[] = { GATE_ICG1(CLK_INFRA_CCIF_AP, "infra_ccif_ap", "axi_sel", 23), GATE_ICG1(CLK_INFRA_AUDIO, "infra_audio", "axi_sel", 25), GATE_ICG1(CLK_INFRA_CCIF_MD, "infra_ccif_md", "axi_sel", 26), - GATE_ICG1(CLK_INFRA_DRAMC_F26M, "infra_dramc_f26m", "clk26m", 31), + GATE_ICG1_FLAGS(CLK_INFRA_DRAMC_F26M, "infra_dramc_f26m", + "clk26m", 31, CLK_IS_CRITICAL), GATE_ICG2(CLK_INFRA_I2C4, "infra_i2c4", "axi_sel", 0), GATE_ICG2(CLK_INFRA_I2C_APPM, "infra_i2c_appm", "axi_sel", 1), GATE_ICG2(CLK_INFRA_I2C_GPUPM, "infra_i2c_gpupm", "axi_sel", 2), @@ -516,7 +525,8 @@ static const struct mtk_gate infra_clks[] = { GATE_ICG2(CLK_INFRA_I2C5, "infra_i2c5", "axi_sel", 7), GATE_ICG2(CLK_INFRA_SYS_CIRQ, "infra_sys_cirq", "axi_sel", 8), GATE_ICG2(CLK_INFRA_SPI1, "infra_spi1", "spi_sel", 10), - GATE_ICG2(CLK_INFRA_DRAMC_B_F26M, "infra_dramc_b_f26m", "clk26m", 11), + GATE_ICG2_FLAGS(CLK_INFRA_DRAMC_B_F26M, "infra_dramc_b_f26m", + "clk26m", 11, CLK_IS_CRITICAL), GATE_ICG2(CLK_INFRA_ANC_MD32, "infra_anc_md32", "anc_md32_sel", 12), GATE_ICG2(CLK_INFRA_ANC_MD32_32K, "infra_anc_md32_32k", "clk26m", 13), GATE_ICG2(CLK_INFRA_DVFS_SPM1, "infra_dvfs_spm1", "axi_sel", 15),