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[2620:137:e000::1:20]) by mx.google.com with ESMTP id lx9-20020a17090b4b0900b00246bd5445d7si2283832pjb.104.2023.04.28.05.26.02; Fri, 28 Apr 2023 05:26:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=zApBQ3EW; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b=7Y09+Qgh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345817AbjD1MUR (ORCPT + 99 others); Fri, 28 Apr 2023 08:20:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229707AbjD1MUP (ORCPT ); Fri, 28 Apr 2023 08:20:15 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 874616590 for ; Fri, 28 Apr 2023 05:19:48 -0700 (PDT) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1682684356; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0uASr97gD798bhQY88XCMztt6vkPz+6sIXjRtMqqAG4=; b=zApBQ3EWPxEnLo98Ra08iD3xszmrEE84bY7jiOvG4O1wZa+mLnGAV+Vx1QoVKd22Zjd/mJ GojKrnSYRZ7Mpoh2belC9HrsN+L2IOt3/hVOUd+F1G9G/eInV/mPFYfM8FioWCHGXY/7lD xqC000FzxpaYDlZjgl5HNHEvZbRptWVCXwpsw/lIz8Yk2JhNBmEaJjWVW2OqHDyKkmrvHf UUrflOfqFEiY/3pTwHsIyot/1nE6skaNjX3EoToarKdO8bCjG/1BAcrB6m+TyJKOM43JN9 86H6HTDozhExdc7ytvJg/ipZXXTS3AhXALRlLKuH8mz6LSFG1rJQczIF/RXMEA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1682684356; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=0uASr97gD798bhQY88XCMztt6vkPz+6sIXjRtMqqAG4=; b=7Y09+QghIkDpMO1j/xTYNKF54tD9CHJTa83uhvqxJUoXm50WgA690yk1tB5vniv6+Fsk3z MUcI6ZEksHA1rnAA== To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, x86@kernel.org Subject: [GIT pull] timers/core for 6.4-rc1 Message-ID: <168268425233.1877133.18332460532605313393.tglx@xen13.lab.linutronix.de> MIME-Version: 1.0 Date: Fri, 28 Apr 2023 14:19:15 +0200 (CEST) X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1764422871013980660?= X-GMAIL-MSGID: =?utf-8?q?1764422871013980660?= Linus, please pull the latest timers/core branch from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-core-2023-04-28 up to: 158009f1b4a3: timekeeping: Fix references to nonexistent ktime_get_fast_ns() Timekeeping and clocksource/event driver updates the second batch: - A trivial documentation fix in the timekeeping core - A really boring set of small fixes, enhancements and cleanups in the drivers code. No new clocksource/clockevent drivers for a change. Thanks, tglx ------------------> AngeloGioacchino Del Regno (1): clocksource/drivers/timer-mediatek: Split out CPUXGPT timers Cristian Ciocaltea (2): dt-bindings: timer: rockchip: Drop superfluous rk3288 compatible dt-bindings: timer: rockchip: Add rk3588 compatible Fabio Estevam (1): clocksource/drivers/timer-imx-gpt: Remove non-DT function Geert Uytterhoeven (1): timekeeping: Fix references to nonexistent ktime_get_fast_ns() Krzysztof Kozlowski (2): clocksource/drivers/exynos_mct: Explicitly return 0 for shared timer clocksource/drivers/stm32-lp: Drop of_match_ptr for ID table Qinrun Dai (1): clocksource/drivers/davinci: Fix memory leak in davinci_timer_register when init fails Rob Herring (2): clocksource/drivers/timer-ti-dm: Use of_address_to_resource() clocksource/drivers/ti: Use of_property_read_bool() for boolean properties Tony Lindgren (1): clocksource/drivers/timer-ti-dm: Fix finding alwon timer Uwe Kleine-König (5): clocksource/drivers/sh_mtu2: Mark driver as non-removable clocksource/drivers/timer-stm32-lp: Mark driver as non-removable clocksource/drivers/timer-ti-dm: Improve error message in .remove clocksource/drivers/timer-tegra186: Convert to platform remove callback returning void clocksource/drivers/timer-ti-dm: Convert to platform remove callback returning void .../bindings/timer/rockchip,rk-timer.yaml | 2 +- drivers/clocksource/Kconfig | 9 ++ drivers/clocksource/Makefile | 1 + drivers/clocksource/exynos_mct.c | 2 +- drivers/clocksource/sh_mtu2.c | 7 +- drivers/clocksource/timer-davinci.c | 30 ++++- drivers/clocksource/timer-imx-gpt.c | 19 --- drivers/clocksource/timer-mediatek-cpux.c | 140 +++++++++++++++++++++ drivers/clocksource/timer-mediatek.c | 114 ----------------- drivers/clocksource/timer-stm32-lp.c | 11 +- drivers/clocksource/timer-tegra186.c | 6 +- drivers/clocksource/timer-ti-dm-systimer.c | 63 +++++----- drivers/clocksource/timer-ti-dm.c | 15 +-- include/soc/imx/timer.h | 7 -- kernel/time/timekeeping.c | 4 +- 15 files changed, 223 insertions(+), 207 deletions(-) create mode 100644 drivers/clocksource/timer-mediatek-cpux.c diff --git a/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml b/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml index 65e59836a660..19e56b7577a0 100644 --- a/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml +++ b/Documentation/devicetree/bindings/timer/rockchip,rk-timer.yaml @@ -23,8 +23,8 @@ properties: - rockchip,rk3188-timer - rockchip,rk3228-timer - rockchip,rk3229-timer - - rockchip,rk3288-timer - rockchip,rk3368-timer + - rockchip,rk3588-timer - rockchip,px30-timer - const: rockchip,rk3288-timer reg: diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 5fc8f0e7fb38..526382dc7482 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -479,6 +479,15 @@ config MTK_TIMER help Support for Mediatek timer driver. +config MTK_CPUX_TIMER + bool "MediaTek CPUX timer driver" if COMPILE_TEST + depends on HAS_IOMEM + default ARCH_MEDIATEK + select TIMER_OF + select CLKSRC_MMIO + help + Support for MediaTek CPUXGPT timer driver. + config SPRD_TIMER bool "Spreadtrum timer driver" if EXPERT depends on HAS_IOMEM diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index 64ab547de97b..f12d3987a960 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_FSL_FTM_TIMER) += timer-fsl-ftm.o obj-$(CONFIG_VF_PIT_TIMER) += timer-vf-pit.o obj-$(CONFIG_CLKSRC_QCOM) += timer-qcom.o obj-$(CONFIG_MTK_TIMER) += timer-mediatek.o +obj-$(CONFIG_MTK_CPUX_TIMER) += timer-mediatek-cpux.o obj-$(CONFIG_CLKSRC_PISTACHIO) += timer-pistachio.o obj-$(CONFIG_CLKSRC_TI_32K) += timer-ti-32k.o obj-$(CONFIG_OXNAS_RPS_TIMER) += timer-oxnas-rps.o diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index bfd60093ee1c..ef8cb1b71be4 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -682,7 +682,7 @@ static int __init mct_init_dt(struct device_node *np, unsigned int int_type) * processor cannot use the global comparator. */ if (frc_shared) - return ret; + return 0; return exynos4_clockevent_init(); } diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index 169a1fccc497..6bd2d0299397 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -484,11 +484,6 @@ static int sh_mtu2_probe(struct platform_device *pdev) return 0; } -static int sh_mtu2_remove(struct platform_device *pdev) -{ - return -EBUSY; /* cannot unregister clockevent */ -} - static const struct platform_device_id sh_mtu2_id_table[] = { { "sh-mtu2", 0 }, { }, @@ -503,10 +498,10 @@ MODULE_DEVICE_TABLE(of, sh_mtu2_of_table); static struct platform_driver sh_mtu2_device_driver = { .probe = sh_mtu2_probe, - .remove = sh_mtu2_remove, .driver = { .name = "sh_mtu2", .of_match_table = of_match_ptr(sh_mtu2_of_table), + .suppress_bind_attrs = true, }, .id_table = sh_mtu2_id_table, }; diff --git a/drivers/clocksource/timer-davinci.c b/drivers/clocksource/timer-davinci.c index 9996c0542520..b1c248498be4 100644 --- a/drivers/clocksource/timer-davinci.c +++ b/drivers/clocksource/timer-davinci.c @@ -257,21 +257,25 @@ int __init davinci_timer_register(struct clk *clk, resource_size(&timer_cfg->reg), "davinci-timer")) { pr_err("Unable to request memory region\n"); - return -EBUSY; + rv = -EBUSY; + goto exit_clk_disable; } base = ioremap(timer_cfg->reg.start, resource_size(&timer_cfg->reg)); if (!base) { pr_err("Unable to map the register range\n"); - return -ENOMEM; + rv = -ENOMEM; + goto exit_mem_region; } davinci_timer_init(base); tick_rate = clk_get_rate(clk); clockevent = kzalloc(sizeof(*clockevent), GFP_KERNEL); - if (!clockevent) - return -ENOMEM; + if (!clockevent) { + rv = -ENOMEM; + goto exit_iounmap_base; + } clockevent->dev.name = "tim12"; clockevent->dev.features = CLOCK_EVT_FEAT_ONESHOT; @@ -296,7 +300,7 @@ int __init davinci_timer_register(struct clk *clk, "clockevent/tim12", clockevent); if (rv) { pr_err("Unable to request the clockevent interrupt\n"); - return rv; + goto exit_free_clockevent; } davinci_clocksource.dev.rating = 300; @@ -323,13 +327,27 @@ int __init davinci_timer_register(struct clk *clk, rv = clocksource_register_hz(&davinci_clocksource.dev, tick_rate); if (rv) { pr_err("Unable to register clocksource\n"); - return rv; + goto exit_free_irq; } sched_clock_register(davinci_timer_read_sched_clock, DAVINCI_TIMER_CLKSRC_BITS, tick_rate); return 0; + +exit_free_irq: + free_irq(timer_cfg->irq[DAVINCI_TIMER_CLOCKEVENT_IRQ].start, + clockevent); +exit_free_clockevent: + kfree(clockevent); +exit_iounmap_base: + iounmap(base); +exit_mem_region: + release_mem_region(timer_cfg->reg.start, + resource_size(&timer_cfg->reg)); +exit_clk_disable: + clk_disable_unprepare(clk); + return rv; } static int __init of_davinci_timer_register(struct device_node *np) diff --git a/drivers/clocksource/timer-imx-gpt.c b/drivers/clocksource/timer-imx-gpt.c index 7b2c70f2f353..ca3e4cbc80c6 100644 --- a/drivers/clocksource/timer-imx-gpt.c +++ b/drivers/clocksource/timer-imx-gpt.c @@ -420,25 +420,6 @@ static int __init _mxc_timer_init(struct imx_timer *imxtm) return mxc_clockevent_init(imxtm); } -void __init mxc_timer_init(unsigned long pbase, int irq, enum imx_gpt_type type) -{ - struct imx_timer *imxtm; - - imxtm = kzalloc(sizeof(*imxtm), GFP_KERNEL); - BUG_ON(!imxtm); - - imxtm->clk_per = clk_get_sys("imx-gpt.0", "per"); - imxtm->clk_ipg = clk_get_sys("imx-gpt.0", "ipg"); - - imxtm->base = ioremap(pbase, SZ_4K); - BUG_ON(!imxtm->base); - - imxtm->type = type; - imxtm->irq = irq; - - _mxc_timer_init(imxtm); -} - static int __init mxc_timer_init_dt(struct device_node *np, enum imx_gpt_type type) { struct imx_timer *imxtm; diff --git a/drivers/clocksource/timer-mediatek-cpux.c b/drivers/clocksource/timer-mediatek-cpux.c new file mode 100644 index 000000000000..a8e3df4c09fd --- /dev/null +++ b/drivers/clocksource/timer-mediatek-cpux.c @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * MediaTek SoCs CPUX General Purpose Timer handling + * + * Based on timer-mediatek.c: + * Copyright (C) 2014 Matthias Brugger + * + * Copyright (C) 2022 Collabora Ltd. + * AngeloGioacchino Del Regno + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include +#include +#include +#include +#include +#include +#include "timer-of.h" + +#define TIMER_SYNC_TICKS 3 + +/* cpux mcusys wrapper */ +#define CPUX_CON_REG 0x0 +#define CPUX_IDX_REG 0x4 + +/* cpux */ +#define CPUX_IDX_GLOBAL_CTRL 0x0 + #define CPUX_ENABLE BIT(0) + #define CPUX_CLK_DIV_MASK GENMASK(10, 8) + #define CPUX_CLK_DIV1 BIT(8) + #define CPUX_CLK_DIV2 BIT(9) + #define CPUX_CLK_DIV4 BIT(10) +#define CPUX_IDX_GLOBAL_IRQ 0x30 + +static u32 mtk_cpux_readl(u32 reg_idx, struct timer_of *to) +{ + writel(reg_idx, timer_of_base(to) + CPUX_IDX_REG); + return readl(timer_of_base(to) + CPUX_CON_REG); +} + +static void mtk_cpux_writel(u32 val, u32 reg_idx, struct timer_of *to) +{ + writel(reg_idx, timer_of_base(to) + CPUX_IDX_REG); + writel(val, timer_of_base(to) + CPUX_CON_REG); +} + +static void mtk_cpux_set_irq(struct timer_of *to, bool enable) +{ + const unsigned long *irq_mask = cpumask_bits(cpu_possible_mask); + u32 val; + + val = mtk_cpux_readl(CPUX_IDX_GLOBAL_IRQ, to); + + if (enable) + val |= *irq_mask; + else + val &= ~(*irq_mask); + + mtk_cpux_writel(val, CPUX_IDX_GLOBAL_IRQ, to); +} + +static int mtk_cpux_clkevt_shutdown(struct clock_event_device *clkevt) +{ + /* Clear any irq */ + mtk_cpux_set_irq(to_timer_of(clkevt), false); + + /* + * Disabling CPUXGPT timer will crash the platform, especially + * if Trusted Firmware is using it (usually, for sleep states), + * so we only mask the IRQ and call it a day. + */ + return 0; +} + +static int mtk_cpux_clkevt_resume(struct clock_event_device *clkevt) +{ + mtk_cpux_set_irq(to_timer_of(clkevt), true); + return 0; +} + +static struct timer_of to = { + /* + * There are per-cpu interrupts for the CPUX General Purpose Timer + * but since this timer feeds the AArch64 System Timer we can rely + * on the CPU timer PPIs as well, so we don't declare TIMER_OF_IRQ. + */ + .flags = TIMER_OF_BASE | TIMER_OF_CLOCK, + + .clkevt = { + .name = "mtk-cpuxgpt", + .cpumask = cpu_possible_mask, + .rating = 10, + .set_state_shutdown = mtk_cpux_clkevt_shutdown, + .tick_resume = mtk_cpux_clkevt_resume, + }, +}; + +static int __init mtk_cpux_init(struct device_node *node) +{ + u32 freq, val; + int ret; + + /* If this fails, bad things are about to happen... */ + ret = timer_of_init(node, &to); + if (ret) { + WARN(1, "Cannot start CPUX timers.\n"); + return ret; + } + + /* + * Check if we're given a clock with the right frequency for this + * timer, otherwise warn but keep going with the setup anyway, as + * that makes it possible to still boot the kernel, even though + * it may not work correctly (random lockups, etc). + * The reason behind this is that having an early UART may not be + * possible for everyone and this gives a chance to retrieve kmsg + * for eventual debugging even on consumer devices. + */ + freq = timer_of_rate(&to); + if (freq > 13000000) + WARN(1, "Requested unsupported timer frequency %u\n", freq); + + /* Clock input is 26MHz, set DIV2 to achieve 13MHz clock */ + val = mtk_cpux_readl(CPUX_IDX_GLOBAL_CTRL, &to); + val &= ~CPUX_CLK_DIV_MASK; + val |= CPUX_CLK_DIV2; + mtk_cpux_writel(val, CPUX_IDX_GLOBAL_CTRL, &to); + + /* Enable all CPUXGPT timers */ + val = mtk_cpux_readl(CPUX_IDX_GLOBAL_CTRL, &to); + mtk_cpux_writel(val | CPUX_ENABLE, CPUX_IDX_GLOBAL_CTRL, &to); + + clockevents_config_and_register(&to.clkevt, timer_of_rate(&to), + TIMER_SYNC_TICKS, 0xffffffff); + + return 0; +} +TIMER_OF_DECLARE(mtk_mt6795, "mediatek,mt6795-systimer", mtk_cpux_init); diff --git a/drivers/clocksource/timer-mediatek.c b/drivers/clocksource/timer-mediatek.c index d5b29fd03ca2..7bcb4a3f26fb 100644 --- a/drivers/clocksource/timer-mediatek.c +++ b/drivers/clocksource/timer-mediatek.c @@ -22,19 +22,6 @@ #define TIMER_SYNC_TICKS (3) -/* cpux mcusys wrapper */ -#define CPUX_CON_REG 0x0 -#define CPUX_IDX_REG 0x4 - -/* cpux */ -#define CPUX_IDX_GLOBAL_CTRL 0x0 - #define CPUX_ENABLE BIT(0) - #define CPUX_CLK_DIV_MASK GENMASK(10, 8) - #define CPUX_CLK_DIV1 BIT(8) - #define CPUX_CLK_DIV2 BIT(9) - #define CPUX_CLK_DIV4 BIT(10) -#define CPUX_IDX_GLOBAL_IRQ 0x30 - /* gpt */ #define GPT_IRQ_EN_REG 0x00 #define GPT_IRQ_ENABLE(val) BIT((val) - 1) @@ -85,52 +72,6 @@ static void __iomem *gpt_sched_reg __read_mostly; -static u32 mtk_cpux_readl(u32 reg_idx, struct timer_of *to) -{ - writel(reg_idx, timer_of_base(to) + CPUX_IDX_REG); - return readl(timer_of_base(to) + CPUX_CON_REG); -} - -static void mtk_cpux_writel(u32 val, u32 reg_idx, struct timer_of *to) -{ - writel(reg_idx, timer_of_base(to) + CPUX_IDX_REG); - writel(val, timer_of_base(to) + CPUX_CON_REG); -} - -static void mtk_cpux_set_irq(struct timer_of *to, bool enable) -{ - const unsigned long *irq_mask = cpumask_bits(cpu_possible_mask); - u32 val; - - val = mtk_cpux_readl(CPUX_IDX_GLOBAL_IRQ, to); - - if (enable) - val |= *irq_mask; - else - val &= ~(*irq_mask); - - mtk_cpux_writel(val, CPUX_IDX_GLOBAL_IRQ, to); -} - -static int mtk_cpux_clkevt_shutdown(struct clock_event_device *clkevt) -{ - /* Clear any irq */ - mtk_cpux_set_irq(to_timer_of(clkevt), false); - - /* - * Disabling CPUXGPT timer will crash the platform, especially - * if Trusted Firmware is using it (usually, for sleep states), - * so we only mask the IRQ and call it a day. - */ - return 0; -} - -static int mtk_cpux_clkevt_resume(struct clock_event_device *clkevt) -{ - mtk_cpux_set_irq(to_timer_of(clkevt), true); - return 0; -} - static void mtk_syst_ack_irq(struct timer_of *to) { /* Clear and disable interrupt */ @@ -340,60 +281,6 @@ static struct timer_of to = { }, }; -static int __init mtk_cpux_init(struct device_node *node) -{ - static struct timer_of to_cpux; - u32 freq, val; - int ret; - - /* - * There are per-cpu interrupts for the CPUX General Purpose Timer - * but since this timer feeds the AArch64 System Timer we can rely - * on the CPU timer PPIs as well, so we don't declare TIMER_OF_IRQ. - */ - to_cpux.flags = TIMER_OF_BASE | TIMER_OF_CLOCK; - to_cpux.clkevt.name = "mtk-cpuxgpt"; - to_cpux.clkevt.rating = 10; - to_cpux.clkevt.cpumask = cpu_possible_mask; - to_cpux.clkevt.set_state_shutdown = mtk_cpux_clkevt_shutdown; - to_cpux.clkevt.tick_resume = mtk_cpux_clkevt_resume; - - /* If this fails, bad things are about to happen... */ - ret = timer_of_init(node, &to_cpux); - if (ret) { - WARN(1, "Cannot start CPUX timers.\n"); - return ret; - } - - /* - * Check if we're given a clock with the right frequency for this - * timer, otherwise warn but keep going with the setup anyway, as - * that makes it possible to still boot the kernel, even though - * it may not work correctly (random lockups, etc). - * The reason behind this is that having an early UART may not be - * possible for everyone and this gives a chance to retrieve kmsg - * for eventual debugging even on consumer devices. - */ - freq = timer_of_rate(&to_cpux); - if (freq > 13000000) - WARN(1, "Requested unsupported timer frequency %u\n", freq); - - /* Clock input is 26MHz, set DIV2 to achieve 13MHz clock */ - val = mtk_cpux_readl(CPUX_IDX_GLOBAL_CTRL, &to_cpux); - val &= ~CPUX_CLK_DIV_MASK; - val |= CPUX_CLK_DIV2; - mtk_cpux_writel(val, CPUX_IDX_GLOBAL_CTRL, &to_cpux); - - /* Enable all CPUXGPT timers */ - val = mtk_cpux_readl(CPUX_IDX_GLOBAL_CTRL, &to_cpux); - mtk_cpux_writel(val | CPUX_ENABLE, CPUX_IDX_GLOBAL_CTRL, &to_cpux); - - clockevents_config_and_register(&to_cpux.clkevt, timer_of_rate(&to_cpux), - TIMER_SYNC_TICKS, 0xffffffff); - - return 0; -} - static int __init mtk_syst_init(struct device_node *node) { int ret; @@ -452,4 +339,3 @@ static int __init mtk_gpt_init(struct device_node *node) } TIMER_OF_DECLARE(mtk_mt6577, "mediatek,mt6577-timer", mtk_gpt_init); TIMER_OF_DECLARE(mtk_mt6765, "mediatek,mt6765-timer", mtk_syst_init); -TIMER_OF_DECLARE(mtk_mt6795, "mediatek,mt6795-systimer", mtk_cpux_init); diff --git a/drivers/clocksource/timer-stm32-lp.c b/drivers/clocksource/timer-stm32-lp.c index db2841d0beb8..d14a17549fe8 100644 --- a/drivers/clocksource/timer-stm32-lp.c +++ b/drivers/clocksource/timer-stm32-lp.c @@ -195,11 +195,6 @@ static int stm32_clkevent_lp_probe(struct platform_device *pdev) return ret; } -static int stm32_clkevent_lp_remove(struct platform_device *pdev) -{ - return -EBUSY; /* cannot unregister clockevent */ -} - static const struct of_device_id stm32_clkevent_lp_of_match[] = { { .compatible = "st,stm32-lptimer-timer", }, {}, @@ -207,11 +202,11 @@ static const struct of_device_id stm32_clkevent_lp_of_match[] = { MODULE_DEVICE_TABLE(of, stm32_clkevent_lp_of_match); static struct platform_driver stm32_clkevent_lp_driver = { - .probe = stm32_clkevent_lp_probe, - .remove = stm32_clkevent_lp_remove, + .probe = stm32_clkevent_lp_probe, .driver = { .name = "stm32-lptimer-timer", - .of_match_table = of_match_ptr(stm32_clkevent_lp_of_match), + .of_match_table = stm32_clkevent_lp_of_match, + .suppress_bind_attrs = true, }, }; module_platform_driver(stm32_clkevent_lp_driver); diff --git a/drivers/clocksource/timer-tegra186.c b/drivers/clocksource/timer-tegra186.c index ea742889ee06..ccc762d32422 100644 --- a/drivers/clocksource/timer-tegra186.c +++ b/drivers/clocksource/timer-tegra186.c @@ -447,15 +447,13 @@ static int tegra186_timer_probe(struct platform_device *pdev) return err; } -static int tegra186_timer_remove(struct platform_device *pdev) +static void tegra186_timer_remove(struct platform_device *pdev) { struct tegra186_timer *tegra = platform_get_drvdata(pdev); clocksource_unregister(&tegra->usec); clocksource_unregister(&tegra->osc); clocksource_unregister(&tegra->tsc); - - return 0; } static int __maybe_unused tegra186_timer_suspend(struct device *dev) @@ -505,7 +503,7 @@ static struct platform_driver tegra186_wdt_driver = { .of_match_table = tegra186_timer_of_match, }, .probe = tegra186_timer_probe, - .remove = tegra186_timer_remove, + .remove_new = tegra186_timer_remove, }; module_platform_driver(tegra186_wdt_driver); diff --git a/drivers/clocksource/timer-ti-dm-systimer.c b/drivers/clocksource/timer-ti-dm-systimer.c index 632523c1232f..c2dcd8d68e45 100644 --- a/drivers/clocksource/timer-ti-dm-systimer.c +++ b/drivers/clocksource/timer-ti-dm-systimer.c @@ -251,24 +251,24 @@ static void __init dmtimer_systimer_assign_alwon(void) counter_32k = -ENODEV; for_each_matching_node(np, dmtimer_match_table) { + struct resource res; if (!dmtimer_is_preferred(np)) continue; - if (of_property_read_bool(np, "ti,timer-alwon")) { - const __be32 *addr; - - addr = of_get_address(np, 0, NULL, NULL); - pa = of_translate_address(np, addr); - if (pa) { - /* Quirky omap3 boards must use dmtimer12 */ - if (quirk_unreliable_oscillator && - pa == 0x48318000) - continue; - - of_node_put(np); - break; - } - } + if (!of_property_read_bool(np, "ti,timer-alwon")) + continue; + + if (of_address_to_resource(np, 0, &res)) + continue; + + pa = res.start; + + /* Quirky omap3 boards must use dmtimer12 */ + if (quirk_unreliable_oscillator && pa == 0x48318000) + continue; + + of_node_put(np); + break; } /* Usually no need for dmtimer clocksource if we have counter32 */ @@ -285,24 +285,22 @@ static void __init dmtimer_systimer_assign_alwon(void) static u32 __init dmtimer_systimer_find_first_available(void) { struct device_node *np; - const __be32 *addr; u32 pa = 0; for_each_matching_node(np, dmtimer_match_table) { + struct resource res; if (!dmtimer_is_preferred(np)) continue; - addr = of_get_address(np, 0, NULL, NULL); - pa = of_translate_address(np, addr); - if (pa) { - if (pa == clocksource || pa == clockevent) { - pa = 0; - continue; - } - - of_node_put(np); - break; - } + if (of_address_to_resource(np, 0, &res)) + continue; + + if (res.start == clocksource || res.start == clockevent) + continue; + + pa = res.start; + of_node_put(np); + break; } return pa; @@ -586,7 +584,7 @@ static int __init dmtimer_clkevt_init_common(struct dmtimer_clockevent *clkevt, writel_relaxed(OMAP_TIMER_INT_OVERFLOW, t->base + t->wakeup); pr_info("TI gptimer %s: %s%lu Hz at %pOF\n", - name, of_find_property(np, "ti,timer-alwon", NULL) ? + name, of_property_read_bool(np, "ti,timer-alwon") ? "always-on " : "", t->rate, np->parent); return 0; @@ -787,7 +785,7 @@ static int __init dmtimer_clocksource_init(struct device_node *np) t->base + t->ctrl); pr_info("TI gptimer clocksource: %s%pOF\n", - of_find_property(np, "ti,timer-alwon", NULL) ? + of_property_read_bool(np, "ti,timer-alwon") ? "always-on " : "", np->parent); if (!dmtimer_sched_clock_counter) { @@ -812,7 +810,7 @@ static int __init dmtimer_clocksource_init(struct device_node *np) */ static int __init dmtimer_systimer_init(struct device_node *np) { - const __be32 *addr; + struct resource res; u32 pa; /* One time init for the preferred timer configuration */ @@ -826,8 +824,9 @@ static int __init dmtimer_systimer_init(struct device_node *np) return -EINVAL; } - addr = of_get_address(np, 0, NULL, NULL); - pa = of_translate_address(np, addr); + + of_address_to_resource(np, 0, &res); + pa = (u32)res.start; if (!pa) return -EINVAL; diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c index b24b903a8822..1d3ad51e4634 100644 --- a/drivers/clocksource/timer-ti-dm.c +++ b/drivers/clocksource/timer-ti-dm.c @@ -1104,13 +1104,13 @@ static int omap_dm_timer_probe(struct platform_device *pdev) platform_set_drvdata(pdev, timer); if (dev->of_node) { - if (of_find_property(dev->of_node, "ti,timer-alwon", NULL)) + if (of_property_read_bool(dev->of_node, "ti,timer-alwon")) timer->capability |= OMAP_TIMER_ALWON; - if (of_find_property(dev->of_node, "ti,timer-dsp", NULL)) + if (of_property_read_bool(dev->of_node, "ti,timer-dsp")) timer->capability |= OMAP_TIMER_HAS_DSP_IRQ; - if (of_find_property(dev->of_node, "ti,timer-pwm", NULL)) + if (of_property_read_bool(dev->of_node, "ti,timer-pwm")) timer->capability |= OMAP_TIMER_HAS_PWM; - if (of_find_property(dev->of_node, "ti,timer-secure", NULL)) + if (of_property_read_bool(dev->of_node, "ti,timer-secure")) timer->capability |= OMAP_TIMER_SECURE; } else { timer->id = pdev->id; @@ -1177,7 +1177,7 @@ static int omap_dm_timer_probe(struct platform_device *pdev) * In addition to freeing platform resources it also deletes the timer * entry from the local list. */ -static int omap_dm_timer_remove(struct platform_device *pdev) +static void omap_dm_timer_remove(struct platform_device *pdev) { struct dmtimer *timer; unsigned long flags; @@ -1197,7 +1197,8 @@ static int omap_dm_timer_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); - return ret; + if (ret) + dev_err(&pdev->dev, "Unable to determine timer entry in list of drivers on remove\n"); } static const struct omap_dm_timer_ops dmtimer_ops = { @@ -1272,7 +1273,7 @@ MODULE_DEVICE_TABLE(of, omap_timer_match); static struct platform_driver omap_dm_timer_driver = { .probe = omap_dm_timer_probe, - .remove = omap_dm_timer_remove, + .remove_new = omap_dm_timer_remove, .driver = { .name = "omap_timer", .of_match_table = omap_timer_match, diff --git a/include/soc/imx/timer.h b/include/soc/imx/timer.h index b888d5076b4d..25f29c6bbd0b 100644 --- a/include/soc/imx/timer.h +++ b/include/soc/imx/timer.h @@ -13,11 +13,4 @@ enum imx_gpt_type { GPT_TYPE_IMX6DL, /* i.MX6DL/SX/SL */ }; -/* - * This is a stop-gap solution for clock drivers like imx1/imx21 which call - * mxc_timer_init() to initialize timer for non-DT boot. It can be removed - * when these legacy non-DT support is converted or dropped. - */ -void mxc_timer_init(unsigned long pbase, int irq, enum imx_gpt_type type); - #endif /* __SOC_IMX_TIMER_H__ */ diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 5579ead449f2..09d594900ee0 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -526,7 +526,7 @@ EXPORT_SYMBOL_GPL(ktime_get_raw_fast_ns); * partially updated. Since the tk->offs_boot update is a rare event, this * should be a rare occurrence which postprocessing should be able to handle. * - * The caveats vs. timestamp ordering as documented for ktime_get_fast_ns() + * The caveats vs. timestamp ordering as documented for ktime_get_mono_fast_ns() * apply as well. */ u64 notrace ktime_get_boot_fast_ns(void) @@ -576,7 +576,7 @@ static __always_inline u64 __ktime_get_real_fast(struct tk_fast *tkf, u64 *mono) /** * ktime_get_real_fast_ns: - NMI safe and fast access to clock realtime. * - * See ktime_get_fast_ns() for documentation of the time stamp ordering. + * See ktime_get_mono_fast_ns() for documentation of the time stamp ordering. */ u64 ktime_get_real_fast_ns(void) {