diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
index fbd76a8e023b8f90ce799efc86187e47cd934634..6f1f9dba6e88c02668e5e8e26432849bfb5a0f30 100644
--- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
+++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt
@@ -23,6 +23,7 @@ Required properties:
For those SoCs that use SYST
* "mediatek,mt8183-timer" for MT8183 compatible timers (SYST)
+ * "mediatek,mt8186-timer" for MT8186 compatible timers (SYST)
* "mediatek,mt8192-timer" for MT8192 compatible timers (SYST)
* "mediatek,mt8195-timer" for MT8195 compatible timers (SYST)
* "mediatek,mt7629-timer" for MT7629 compatible timers (SYST)
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index b5c86d37caa9347f61085f8355fc8785355cf0a1..3c0ee102fe73b3463fdfe34c859c01f58fd96bb7 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -80,7 +80,7 @@ config IXP4XX_TIMER
bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST
depends on HAS_IOMEM
select CLKSRC_MMIO
- select TIMER_OF if OF
+ select TIMER_OF
help
Enables support for the Intel XScale IXP4xx SoC timer.
diff --git a/drivers/clocksource/bcm_kona_timer.c b/drivers/clocksource/bcm_kona_timer.c
index a50ab5c2154fa5abc45418977aae3499c134f5dc..39f172d7e29ef726055e5c7bfad004948720bcf3 100644
--- a/drivers/clocksource/bcm_kona_timer.c
+++ b/drivers/clocksource/bcm_kona_timer.c
@@ -1,15 +1,5 @@
-/*
- * Copyright (C) 2012 Broadcom Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2012 Broadcom Corporation
#include <linux/init.h>
#include <linux/irq.h>
diff --git a/drivers/clocksource/jcore-pit.c b/drivers/clocksource/jcore-pit.c
index 5d3d88e0fc8c0f8e045b105cf22744097cf576c9..a4a991101fa3160f72cabcc6f10f83d51111a1e8 100644
--- a/drivers/clocksource/jcore-pit.c
+++ b/drivers/clocksource/jcore-pit.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* J-Core SoC PIT/clocksource driver
*
* Copyright (C) 2015-2016 Smart Energy Instruments, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#include <linux/kernel.h>
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index be4175f415ba562c4f4f3596a8bed2f144a84ac6..b3ae38f36720523ba755c71af757bb839d216fb8 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -1,10 +1,5 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
- */
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
#define pr_fmt(fmt) "mips-gic-timer: " fmt
diff --git a/drivers/clocksource/timer-armada-370-xp.c b/drivers/clocksource/timer-armada-370-xp.c
index e3acc3c631b722631d44c70fb0a3417349e129b0..6ec565d6939ad4369594396f9f78eab26c3d475e 100644
--- a/drivers/clocksource/timer-armada-370-xp.c
+++ b/drivers/clocksource/timer-armada-370-xp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Marvell Armada 370/XP SoC timer handling.
*
@@ -7,10 +8,6 @@
* Gregory CLEMENT <gregory.clement@free-electrons.com>
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
* Timer 0 is used as free-running clocksource, while timer 1 is
* used as clock_event_device.
*
diff --git a/drivers/clocksource/timer-digicolor.c b/drivers/clocksource/timer-digicolor.c
index 1e984a4d8ad00a606646fe805fcd9855c9745fd7..559aa96089c34409310868e28d73d8f5eb9262fb 100644
--- a/drivers/clocksource/timer-digicolor.c
+++ b/drivers/clocksource/timer-digicolor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Conexant Digicolor timer driver
*
@@ -11,10 +12,6 @@
* Copyright (C) 2013 Maxime Ripard
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
/*
diff --git a/drivers/clocksource/timer-ixp4xx.c b/drivers/clocksource/timer-ixp4xx.c
index cbb184953510b458c721c7eeff04ee4836adb5c8..720ed70a2964fc7bb3fc82478f14c059d99da7a4 100644
--- a/drivers/clocksource/timer-ixp4xx.c
+++ b/drivers/clocksource/timer-ixp4xx.c
@@ -19,8 +19,6 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
-/* Goes away with OF conversion */
-#include <linux/platform_data/timer-ixp4xx.h>
/*
* Constants to make it easy to access Timer Control/Status registers
@@ -263,28 +261,6 @@ static struct platform_driver ixp4xx_timer_driver = {
};
builtin_platform_driver(ixp4xx_timer_driver);
-/**
- * ixp4xx_timer_setup() - Timer setup function to be called from boardfiles
- * @timerbase: physical base of timer block
- * @timer_irq: Linux IRQ number for the timer
- * @timer_freq: Fixed frequency of the timer
- */
-void __init ixp4xx_timer_setup(resource_size_t timerbase,
- int timer_irq,
- unsigned int timer_freq)
-{
- void __iomem *base;
-
- base = ioremap(timerbase, 0x100);
- if (!base) {
- pr_crit("IXP4xx: can't remap timer\n");
- return;
- }
- ixp4xx_timer_register(base, timer_irq, timer_freq);
-}
-EXPORT_SYMBOL_GPL(ixp4xx_timer_setup);
-
-#ifdef CONFIG_OF
static __init int ixp4xx_of_timer_init(struct device_node *np)
{
void __iomem *base;
@@ -315,4 +291,3 @@ static __init int ixp4xx_of_timer_init(struct device_node *np)
return ret;
}
TIMER_OF_DECLARE(ixp4xx, "intel,ixp4xx-timer", ixp4xx_of_timer_init);
-#endif
diff --git a/drivers/clocksource/timer-lpc32xx.c b/drivers/clocksource/timer-lpc32xx.c
index d51a62a79ef76ec4099a704ec3d29ed6ff32bd89..68eae6378bf33b585f32f54abc176877812882ba 100644
--- a/drivers/clocksource/timer-lpc32xx.c
+++ b/drivers/clocksource/timer-lpc32xx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Clocksource driver for NXP LPC32xx/18xx/43xx timer
*
@@ -6,11 +7,6 @@
* Based on:
* time-efm32 Copyright (C) 2013 Pengutronix
* mach-lpc32xx/timer.c Copyright (C) 2009 - 2010 NXP Semiconductors
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
diff --git a/drivers/clocksource/timer-orion.c b/drivers/clocksource/timer-orion.c
index 5101e834d78fffc67ece4f8898d3d7381e0606c4..49e86cb70a7a8ea06b17104032321da7a270149f 100644
--- a/drivers/clocksource/timer-orion.c
+++ b/drivers/clocksource/timer-orion.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Marvell Orion SoC timer handling.
*
* Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
*
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
* Timer 0 is used as free-running clocksource, while timer 1 is
* used as clock_event_device.
*/
diff --git a/drivers/clocksource/timer-oxnas-rps.c b/drivers/clocksource/timer-oxnas-rps.c
index 56c0cc32d0ac6f341d64760baab60cd76b7e6f15..d514b44e67dd1ee8977f21f15fa51743fb5664dd 100644
--- a/drivers/clocksource/timer-oxnas-rps.c
+++ b/drivers/clocksource/timer-oxnas-rps.c
@@ -236,7 +236,7 @@ static int __init oxnas_rps_timer_init(struct device_node *np)
}
rps->irq = irq_of_parse_and_map(np, 0);
- if (rps->irq < 0) {
+ if (!rps->irq) {
ret = -EINVAL;
goto err_iomap;
}
diff --git a/drivers/clocksource/timer-pistachio.c b/drivers/clocksource/timer-pistachio.c
index 69c069e6f0a2136e9bfe6bb4480ed1bc8bca1de8..57b2197a0b67b6d7243ff5fdc49feff20e700c00 100644
--- a/drivers/clocksource/timer-pistachio.c
+++ b/drivers/clocksource/timer-pistachio.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Pistachio clocksource based on general-purpose timers
*
* Copyright (C) 2015 Imagination Technologies
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*/
#define pr_fmt(fmt) "%s: " fmt, __func__
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index 1767f8bf201334553eabbb0c17830a3cef760754..593d5a957b69dcbfe49e134342061497f3ff4231 100644
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -34,7 +34,7 @@ static int riscv_clock_next_event(unsigned long delta,
static unsigned int riscv_clock_event_irq;
static DEFINE_PER_CPU(struct clock_event_device, riscv_clock_event) = {
.name = "riscv_timer_clockevent",
- .features = CLOCK_EVT_FEAT_ONESHOT,
+ .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_C3STOP,
.rating = 100,
.set_next_event = riscv_clock_next_event,
};
diff --git a/drivers/clocksource/timer-sp804.c b/drivers/clocksource/timer-sp804.c
index 401d592e85f5a901fa82e9173258fa1188347926..e6a87f4af2b5058fe500090793209256c174c60d 100644
--- a/drivers/clocksource/timer-sp804.c
+++ b/drivers/clocksource/timer-sp804.c
@@ -259,6 +259,11 @@ static int __init sp804_of_init(struct device_node *np, struct sp804_timer *time
struct clk *clk1, *clk2;
const char *name = of_get_property(np, "compatible", NULL);
+ if (initialized) {
+ pr_debug("%pOF: skipping further SP804 timer device\n", np);
+ return 0;
+ }
+
base = of_iomap(np, 0);
if (!base)
return -ENXIO;
@@ -270,11 +275,6 @@ static int __init sp804_of_init(struct device_node *np, struct sp804_timer *time
writel(0, timer1_base + timer->ctrl);
writel(0, timer2_base + timer->ctrl);
- if (initialized || !of_device_is_available(np)) {
- ret = -EINVAL;
- goto err;
- }
-
clk1 = of_clk_get(np, 0);
if (IS_ERR(clk1))
clk1 = NULL;
diff --git a/drivers/clocksource/timer-sun4i.c b/drivers/clocksource/timer-sun4i.c
index 0ba8155b8287d540352c5c777c14dc98c6ec8089..bb6ea6c198295e7fa79423c5672d573ccf3fdbc9 100644
--- a/drivers/clocksource/timer-sun4i.c
+++ b/drivers/clocksource/timer-sun4i.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Allwinner A1X SoCs timer handling.
*
@@ -8,10 +9,6 @@
* Based on code from
* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
* Benn Huang <benn@allwinnertech.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/clk.h>
diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c
index 552c5254390cbe3f9f74e7923c322991fa7b0bed..85900f7fc69f0779889ed0fe4bf2cf827307d918 100644
--- a/drivers/clocksource/timer-sun5i.c
+++ b/drivers/clocksource/timer-sun5i.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Allwinner SoCs hstimer driver.
*
* Copyright (C) 2013 Maxime Ripard
*
* Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
*/
#include <linux/clk.h>
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index df4a73ea66510f7b905cbc5b71435caa2bb2f267..c194e8f74e1d04c5cd8cd85800a393c03d9e6daa 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -828,8 +828,7 @@ static int omap_dm_timer_probe(struct platform_device *pdev)
cpu_pm_register_notifier(&timer->nb);
}
- if (pdata)
- timer->errata = pdata->timer_errata;
+ timer->errata = pdata->timer_errata;
timer->pdev = pdev;
diff --git a/include/linux/platform_data/timer-ixp4xx.h b/include/linux/platform_data/timer-ixp4xx.h
deleted file mode 100644
index ee92ae7edaed7b8725a398178eb8724fc0d8531e..0000000000000000000000000000000000000000
--- a/include/linux/platform_data/timer-ixp4xx.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __TIMER_IXP4XX_H
-#define __TIMER_IXP4XX_H
-
-#include <linux/ioport.h>
-
-void __init ixp4xx_timer_setup(resource_size_t timerbase,
- int timer_irq,
- unsigned int timer_freq);
-
-#endif