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authorThomas Gleixner <tglx@linutronix.de>2020-03-19 09:39:48 +0100
committerThomas Gleixner <tglx@linutronix.de>2020-03-19 09:39:48 +0100
commit048495eb28939996261754215b1d450756978499 (patch)
tree80ab17fd471962ec07e3546f75cbf126a1883ae4 /drivers/clocksource
parentd441dceb5dce71150f28add80d36d91bbfccba99 (diff)
parent4f41fe386a94639cd9a1831298d4f85db5662f1e (diff)
Merge tag 'timers-v5.7' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core
Pull clockevent/clocksource updates from Daniel Lezcano: - Avoid creating dead devices by flagging the driver with OF_POPULATED in order to prevent the platform to create another device (Saravana Kannan) - Remove unused includes from imx family drivers (Anson Huang) - timer-dm-ti rework to prepare for pwm and suspend support (Lokesh Vutla) - Fix the rate for the global clock on the pit64b (Claudiu Beznea) - Fix timer-cs5535 by requesting an irq with non-NULL dev_id (Afzal Mohammed) - Replace setup_irq() by request_irq() (Afzal Mohammed) - Add support for the TCU of X1000 (Zhou Yanjie) - Drop the bogus omap_dm_timer_of_set_source() function (Suman Anna) - Do not update the counter when updating the period in order to prevent a disruption when the pwm is used (Lokesh Vutla) - Improve owl_timer_init() failure messages (Matheus Castello) - Add driver for the Ingenic JZ47xx OST (Maarten ter Huurne) - Pass the interrupt and the shutdown callbacks in the init function for ast2600 support (Joel Stanley) - Add the ast2600 compatible string for the fttmr010 (Joel Stanley)
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/Kconfig8
-rw-r--r--drivers/clocksource/Makefile1
-rw-r--r--drivers/clocksource/bcm2835_timer.c8
-rw-r--r--drivers/clocksource/bcm_kona_timer.c10
-rw-r--r--drivers/clocksource/dw_apb_timer.c11
-rw-r--r--drivers/clocksource/exynos_mct.c12
-rw-r--r--drivers/clocksource/ingenic-ost.c189
-rw-r--r--drivers/clocksource/ingenic-timer.c3
-rw-r--r--drivers/clocksource/mxs_timer.c10
-rw-r--r--drivers/clocksource/nomadik-mtu.c11
-rw-r--r--drivers/clocksource/samsung_pwm_timer.c12
-rw-r--r--drivers/clocksource/timer-atlas7.c50
-rw-r--r--drivers/clocksource/timer-cs5535.c9
-rw-r--r--drivers/clocksource/timer-efm32.c10
-rw-r--r--drivers/clocksource/timer-fsl-ftm.c10
-rw-r--r--drivers/clocksource/timer-fttmr010.c68
-rw-r--r--drivers/clocksource/timer-imx-gpt.c10
-rw-r--r--drivers/clocksource/timer-imx-sysctr.c2
-rw-r--r--drivers/clocksource/timer-imx-tpm.c2
-rw-r--r--drivers/clocksource/timer-integrator-ap.c11
-rw-r--r--drivers/clocksource/timer-meson6.c11
-rw-r--r--drivers/clocksource/timer-microchip-pit64b.c1
-rw-r--r--drivers/clocksource/timer-orion.c9
-rw-r--r--drivers/clocksource/timer-owl.c15
-rw-r--r--drivers/clocksource/timer-prima2.c14
-rw-r--r--drivers/clocksource/timer-probe.c2
-rw-r--r--drivers/clocksource/timer-pxa.c10
-rw-r--r--drivers/clocksource/timer-sp804.c11
-rw-r--r--drivers/clocksource/timer-ti-dm.c217
-rw-r--r--drivers/clocksource/timer-u300.c9
-rw-r--r--drivers/clocksource/timer-vf-pit.c10
-rw-r--r--drivers/clocksource/timer-vt8500.c11
-rw-r--r--drivers/clocksource/timer-zevio.c13
33 files changed, 459 insertions, 321 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index cc909e465823..f2142e6bbea3 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -697,6 +697,14 @@ config INGENIC_TIMER
help
Support for the timer/counter unit of the Ingenic JZ SoCs.
+config INGENIC_OST
+ bool "Clocksource for Ingenic OS Timer"
+ depends on MIPS || COMPILE_TEST
+ depends on COMMON_CLK
+ select MFD_SYSCON
+ help
+ Support for the Operating System Timer of the Ingenic JZ SoCs.
+
config MICROCHIP_PIT64B
bool "Microchip PIT64B support"
depends on OF || COMPILE_TEST
diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile
index 713686faa549..641ba5383ab5 100644
--- a/drivers/clocksource/Makefile
+++ b/drivers/clocksource/Makefile
@@ -80,6 +80,7 @@ obj-$(CONFIG_ASM9260_TIMER) += asm9260_timer.o
obj-$(CONFIG_H8300_TMR8) += h8300_timer8.o
obj-$(CONFIG_H8300_TMR16) += h8300_timer16.o
obj-$(CONFIG_H8300_TPU) += h8300_tpu.o
+obj-$(CONFIG_INGENIC_OST) += ingenic-ost.o
obj-$(CONFIG_INGENIC_TIMER) += ingenic-timer.o
obj-$(CONFIG_CLKSRC_ST_LPC) += clksrc_st_lpc.o
obj-$(CONFIG_X86_NUMACHIP) += numachip.o
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index b235f446ee50..1592650b2c92 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -31,7 +31,6 @@ struct bcm2835_timer {
void __iomem *compare;
int match_mask;
struct clock_event_device evt;
- struct irqaction act;
};
static void __iomem *system_clock __read_mostly;
@@ -113,12 +112,9 @@ static int __init bcm2835_timer_init(struct device_node *node)
timer->evt.features = CLOCK_EVT_FEAT_ONESHOT;
timer->evt.set_next_event = bcm2835_time_set_next_event;
timer->evt.cpumask = cpumask_of(0);
- timer->act.name = node->name;
- timer->act.flags = IRQF_TIMER | IRQF_SHARED;
- timer->act.dev_id = timer;
- timer->act.handler = bcm2835_time_interrupt;
- ret = setup_irq(irq, &timer->act);
+ ret = request_irq(irq, bcm2835_time_interrupt, IRQF_TIMER | IRQF_SHARED,
+ node->name, timer);
if (ret) {
pr_err("Can't set up timer IRQ\n");
goto err_timer_free;
diff --git a/drivers/clocksource/bcm_kona_timer.c b/drivers/clocksource/bcm_kona_timer.c
index 5c40be9880f5..a50ab5c2154f 100644
--- a/drivers/clocksource/bcm_kona_timer.c
+++ b/drivers/clocksource/bcm_kona_timer.c
@@ -160,12 +160,6 @@ static irqreturn_t kona_timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction kona_timer_irq = {
- .name = "Kona Timer Tick",
- .flags = IRQF_TIMER,
- .handler = kona_timer_interrupt,
-};
-
static int __init kona_timer_init(struct device_node *node)
{
u32 freq;
@@ -192,7 +186,9 @@ static int __init kona_timer_init(struct device_node *node)
kona_timer_disable_and_clear(timers.tmr_regs);
kona_timer_clockevents_init();
- setup_irq(timers.tmr_irq, &kona_timer_irq);
+ if (request_irq(timers.tmr_irq, kona_timer_interrupt, IRQF_TIMER,
+ "Kona Timer Tick", NULL))
+ pr_err("%s: request_irq() failed\n", "Kona Timer Tick");
kona_timer_set_next_event((arch_timer_rate / HZ), NULL);
return 0;
diff --git a/drivers/clocksource/dw_apb_timer.c b/drivers/clocksource/dw_apb_timer.c
index 654766538f93..b207a77b0831 100644
--- a/drivers/clocksource/dw_apb_timer.c
+++ b/drivers/clocksource/dw_apb_timer.c
@@ -270,15 +270,10 @@ dw_apb_clockevent_init(int cpu, const char *name, unsigned rating,
dw_ced->ced.rating = rating;
dw_ced->ced.name = name;
- dw_ced->irqaction.name = dw_ced->ced.name;
- dw_ced->irqaction.handler = dw_apb_clockevent_irq;
- dw_ced->irqaction.dev_id = &dw_ced->ced;
- dw_ced->irqaction.irq = irq;
- dw_ced->irqaction.flags = IRQF_TIMER | IRQF_IRQPOLL |
- IRQF_NOBALANCING;
-
dw_ced->eoi = apbt_eoi;
- err = setup_irq(irq, &dw_ced->irqaction);
+ err = request_irq(irq, dw_apb_clockevent_irq,
+ IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
+ dw_ced->ced.name, &dw_ced->ced);
if (err) {
pr_err("failed to request timer irq\n");
kfree(dw_ced);
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index a267fe31ef13..fabad79baafc 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -329,19 +329,15 @@ static irqreturn_t exynos4_mct_comp_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction mct_comp_event_irq = {
- .name = "mct_comp_irq",
- .flags = IRQF_TIMER | IRQF_IRQPOLL,
- .handler = exynos4_mct_comp_isr,
- .dev_id = &mct_comp_device,
-};
-
static int exynos4_clockevent_init(void)
{
mct_comp_device.cpumask = cpumask_of(0);
clockevents_config_and_register(&mct_comp_device, clk_rate,
0xf, 0xffffffff);
- setup_irq(mct_irqs[MCT_G0_IRQ], &mct_comp_event_irq);
+ if (request_irq(mct_irqs[MCT_G0_IRQ], exynos4_mct_comp_isr,
+ IRQF_TIMER | IRQF_IRQPOLL, "mct_comp_irq",
+ &mct_comp_device))
+ pr_err("%s: request_irq() failed\n", "mct_comp_irq");
return 0;
}
diff --git a/drivers/clocksource/ingenic-ost.c b/drivers/clocksource/ingenic-ost.c
new file mode 100644
index 000000000000..029efc2731b4
--- /dev/null
+++ b/drivers/clocksource/ingenic-ost.c
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * JZ47xx SoCs TCU Operating System Timer driver
+ *
+ * Copyright (C) 2016 Maarten ter Huurne <maarten@treewalker.org>
+ * Copyright (C) 2020 Paul Cercueil <paul@crapouillou.net>
+ */
+
+#include <linux/clk.h>
+#include <linux/clocksource.h>
+#include <linux/mfd/ingenic-tcu.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/regmap.h>
+#include <linux/sched_clock.h>
+
+#define TCU_OST_TCSR_MASK 0xffc0
+#define TCU_OST_TCSR_CNT_MD BIT(15)
+
+#define TCU_OST_CHANNEL 15
+
+/*
+ * The TCU_REG_OST_CNT{L,R} from <linux/mfd/ingenic-tcu.h> are only for the
+ * regmap; these are for use with the __iomem pointer.
+ */
+#define OST_REG_CNTL 0x4
+#define OST_REG_CNTH 0x8
+
+struct ingenic_ost_soc_info {
+ bool is64bit;
+};
+
+struct ingenic_ost {
+ void __iomem *regs;
+ struct clk *clk;
+
+ struct clocksource cs;
+};
+
+static struct ingenic_ost *ingenic_ost;
+
+static u64 notrace ingenic_ost_read_cntl(void)
+{
+ /* Read using __iomem pointer instead of regmap to avoid locking */
+ return readl(ingenic_ost->regs + OST_REG_CNTL);
+}
+
+static u64 notrace ingenic_ost_read_cnth(void)
+{
+ /* Read using __iomem pointer instead of regmap to avoid locking */
+ return readl(ingenic_ost->regs + OST_REG_CNTH);
+}
+
+static u64 notrace ingenic_ost_clocksource_readl(struct clocksource *cs)
+{
+ return ingenic_ost_read_cntl();
+}
+
+static u64 notrace ingenic_ost_clocksource_readh(struct clocksource *cs)
+{
+ return ingenic_ost_read_cnth();
+}
+
+static int __init ingenic_ost_probe(struct platform_device *pdev)
+{
+ const struct ingenic_ost_soc_info *soc_info;
+ struct device *dev = &pdev->dev;
+ struct ingenic_ost *ost;
+ struct clocksource *cs;
+ struct regmap *map;
+ unsigned long rate;
+ int err;
+
+ soc_info = device_get_match_data(dev);
+ if (!soc_info)
+ return -EINVAL;
+
+ ost = devm_kzalloc(dev, sizeof(*ost), GFP_KERNEL);
+ if (!ost)
+ return -ENOMEM;
+
+ ingenic_ost = ost;
+
+ ost->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(ost->regs))
+ return PTR_ERR(ost->regs);
+
+ map = device_node_to_regmap(dev->parent->of_node);
+ if (!map) {
+ dev_err(dev, "regmap not found");
+ return -EINVAL;
+ }
+
+ ost->clk = devm_clk_get(dev, "ost");
+ if (IS_ERR(ost->clk))
+ return PTR_ERR(ost->clk);
+
+ err = clk_prepare_enable(ost->clk);
+ if (err)
+ return err;
+
+ /* Clear counter high/low registers */
+ if (soc_info->is64bit)
+ regmap_write(map, TCU_REG_OST_CNTL, 0);
+ regmap_write(map, TCU_REG_OST_CNTH, 0);
+
+ /* Don't reset counter at compare value. */
+ regmap_update_bits(map, TCU_REG_OST_TCSR,
+ TCU_OST_TCSR_MASK, TCU_OST_TCSR_CNT_MD);
+
+ rate = clk_get_rate(ost->clk);
+
+ /* Enable OST TCU channel */
+ regmap_write(map, TCU_REG_TESR, BIT(TCU_OST_CHANNEL));
+
+ cs = &ost->cs;
+ cs->name = "ingenic-ost";
+ cs->rating = 320;
+ cs->flags = CLOCK_SOURCE_IS_CONTINUOUS;
+ cs->mask = CLOCKSOURCE_MASK(32);
+
+ if (soc_info->is64bit)
+ cs->read = ingenic_ost_clocksource_readl;
+ else
+ cs->read = ingenic_ost_clocksource_readh;
+
+ err = clocksource_register_hz(cs, rate);
+ if (err) {
+ dev_err(dev, "clocksource registration failed");
+ clk_disable_unprepare(ost->clk);
+ return err;
+ }
+
+ if (soc_info->is64bit)
+ sched_clock_register(ingenic_ost_read_cntl, 32, rate);
+ else
+ sched_clock_register(ingenic_ost_read_cnth, 32, rate);
+
+ return 0;
+}
+
+static int __maybe_unused ingenic_ost_suspend(struct device *dev)
+{
+ struct ingenic_ost *ost = dev_get_drvdata(dev);
+
+ clk_disable(ost->clk);
+
+ return 0;
+}
+
+static int __maybe_unused ingenic_ost_resume(struct device *dev)
+{
+ struct ingenic_ost *ost = dev_get_drvdata(dev);
+
+ return clk_enable(ost->clk);
+}
+
+static const struct dev_pm_ops __maybe_unused ingenic_ost_pm_ops = {
+ /* _noirq: We want the OST clock to be gated last / ungated first */
+ .suspend_noirq = ingenic_ost_suspend,
+ .resume_noirq = ingenic_ost_resume,
+};
+
+static const struct ingenic_ost_soc_info jz4725b_ost_soc_info = {
+ .is64bit = false,
+};
+
+static const struct ingenic_ost_soc_info jz4770_ost_soc_info = {
+ .is64bit = true,
+};
+
+static const struct of_device_id ingenic_ost_of_match[] = {
+ { .compatible = "ingenic,jz4725b-ost", .data = &jz4725b_ost_soc_info, },
+ { .compatible = "ingenic,jz4770-ost", .data = &jz4770_ost_soc_info, },
+ { }
+};
+
+static struct platform_driver ingenic_ost_driver = {
+ .driver = {
+ .name = "ingenic-ost",
+#ifdef CONFIG_PM_SUSPEND
+ .pm = &ingenic_ost_pm_ops,
+#endif
+ .of_match_table = ingenic_ost_of_match,
+ },
+};
+builtin_platform_driver_probe(ingenic_ost_driver, ingenic_ost_probe);
diff --git a/drivers/clocksource/ingenic-timer.c b/drivers/clocksource/ingenic-timer.c
index 4bbdb3d3d0c6..496333650de2 100644
--- a/drivers/clocksource/ingenic-timer.c
+++ b/drivers/clocksource/ingenic-timer.c
@@ -230,6 +230,7 @@ static const struct of_device_id ingenic_tcu_of_match[] = {
{ .compatible = "ingenic,jz4740-tcu", .data = &jz4740_soc_info, },
{ .compatible = "ingenic,jz4725b-tcu", .data = &jz4725b_soc_info, },
{ .compatible = "ingenic,jz4770-tcu", .data = &jz4740_soc_info, },
+ { .compatible = "ingenic,x1000-tcu", .data = &jz4740_soc_info, },
{ /* sentinel */ }
};
@@ -302,7 +303,7 @@ err_free_ingenic_tcu:
TIMER_OF_DECLARE(jz4740_tcu_intc, "ingenic,jz4740-tcu", ingenic_tcu_init);
TIMER_OF_DECLARE(jz4725b_tcu_intc, "ingenic,jz4725b-tcu", ingenic_tcu_init);
TIMER_OF_DECLARE(jz4770_tcu_intc, "ingenic,jz4770-tcu", ingenic_tcu_init);
-
+TIMER_OF_DECLARE(x1000_tcu_intc, "ingenic,x1000-tcu", ingenic_tcu_init);
static int __init ingenic_tcu_probe(struct platform_device *pdev)
{
diff --git a/drivers/clocksource/mxs_timer.c b/drivers/clocksource/mxs_timer.c
index f6ddae30933f..bc96a4cbf26c 100644
--- a/drivers/clocksource/mxs_timer.c
+++ b/drivers/clocksource/mxs_timer.c
@@ -117,13 +117,6 @@ static irqreturn_t mxs_timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction mxs_timer_irq = {
- .name = "MXS Timer Tick",
- .dev_id = &mxs_clockevent_device,
- .flags = IRQF_TIMER | IRQF_IRQPOLL,
- .handler = mxs_timer_interrupt,
-};
-
static void mxs_irq_clear(char *state)
{
/* Disable interrupt in timer module */
@@ -277,6 +270,7 @@ static int __init mxs_timer_init(struct device_node *np)
if (irq <= 0)
return -EINVAL;
- return setup_irq(irq, &mxs_timer_irq);
+ return request_irq(irq, mxs_timer_interrupt, IRQF_TIMER | IRQF_IRQPOLL,
+ "MXS Timer Tick", &mxs_clockevent_device);
}
TIMER_OF_DECLARE(mxs, "fsl,timrot", mxs_timer_init);
diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c
index 3f7fa8c01367..f49a631d8f58 100644
--- a/drivers/clocksource/nomadik-mtu.c
+++ b/drivers/clocksource/nomadik-mtu.c
@@ -181,13 +181,6 @@ static irqreturn_t nmdk_timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction nmdk_timer_irq = {
- .name = "Nomadik Timer Tick",
- .flags = IRQF_TIMER,
- .handler = nmdk_timer_interrupt,
- .dev_id = &nmdk_clkevt,
-};
-
static int __init nmdk_timer_init(void __iomem *base, int irq,
struct clk *pclk, struct clk *clk)
{
@@ -232,7 +225,9 @@ static int __init nmdk_timer_init(void __iomem *base, int irq,
sched_clock_register(nomadik_read_sched_clock, 32, rate);
/* Timer 1 is used for events, register irq and clockevents */
- setup_irq(irq, &nmdk_timer_irq);
+ if (request_irq(irq, nmdk_timer_interrupt, IRQF_TIMER,
+ "Nomadik Timer Tick", &nmdk_clkevt))
+ pr_err("%s: request_irq() failed\n", "Nomadik Timer Tick");
nmdk_clkevt.cpumask = cpumask_of(0);
nmdk_clkevt.irq = irq;
clockevents_config_and_register(&nmdk_clkevt, rate, 2, 0xffffffffU);
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index dae1b2b5a0c5..f760229d0c7f 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -256,13 +256,6 @@ static irqreturn_t samsung_clock_event_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction samsung_clock_event_irq = {
- .name = "samsung_time_irq",
- .flags = IRQF_TIMER | IRQF_IRQPOLL,
- .handler = samsung_clock_event_isr,
- .dev_id = &time_event_device,
-};
-
static void __init samsung_clockevent_init(void)
{
unsigned long pclk;
@@ -282,7 +275,10 @@ static void __init samsung_clockevent_init(void)
clock_rate, 1, pwm.tcnt_max);
irq_number = pwm.irq[pwm.event_id];
- setup_irq(irq_number, &samsung_clock_event_irq);
+ if (request_irq(irq_number, samsung_clock_event_isr,
+ IRQF_TIMER | IRQF_IRQPOLL, "samsung_time_irq",
+ &time_event_device))
+ pr_err("%s: request_irq() failed\n", "samsung_time_irq");
if (pwm.variant.has_tint_cstat) {
u32 mask = (1 << pwm.event_id);
diff --git a/drivers/clocksource/timer-atlas7.c b/drivers/clocksource/timer-atlas7.c
index 93c3ac6d72bd..c21c91c2bc56 100644
--- a/drivers/clocksource/timer-atlas7.c
+++ b/drivers/clocksource/timer-atlas7.c
@@ -159,29 +159,23 @@ static struct clocksource sirfsoc_clocksource = {
.resume = sirfsoc_clocksource_resume,
};
-static struct irqaction sirfsoc_timer_irq = {
- .name = "sirfsoc_timer0",
- .flags = IRQF_TIMER | IRQF_NOBALANCING,
- .handler = sirfsoc_timer_interrupt,
-};
-
-static struct irqaction sirfsoc_timer1_irq = {
- .name = "sirfsoc_timer1",
- .flags = IRQF_TIMER | IRQF_NOBALANCING,
- .handler = sirfsoc_timer_interrupt,
-};
+static unsigned int sirfsoc_timer_irq, sirfsoc_timer1_irq;
static int sirfsoc_local_timer_starting_cpu(unsigned int cpu)
{
struct clock_event_device *ce = per_cpu_ptr(sirfsoc_clockevent, cpu);
- struct irqaction *action;
-
- if (cpu == 0)
- action = &sirfsoc_timer_irq;
- else
- action = &sirfsoc_timer1_irq;
+ unsigned int irq;
+ const char *name;
+
+ if (cpu == 0) {
+ irq = sirfsoc_timer_irq;
+ name = "sirfsoc_timer0";
+ } else {
+ irq = sirfsoc_timer1_irq;
+ name = "sirfsoc_timer1";
+ }
- ce->irq = action->irq;
+ ce->irq = irq;
ce->name = "local_timer";
ce->features = CLOCK_EVT_FEAT_ONESHOT;
ce->rating = 200;
@@ -196,9 +190,9 @@ static int sirfsoc_local_timer_starting_cpu(unsigned int cpu)
ce->min_delta_ticks = 2;
ce->cpumask = cpumask_of(cpu);
- action->dev_id = ce;
- BUG_ON(setup_irq(ce->irq, action));
- irq_force_affinity(action->irq, cpumask_of(cpu));
+ BUG_ON(request_irq(ce->irq, sirfsoc_timer_interrupt,
+ IRQF_TIMER | IRQF_NOBALANCING, name, ce));
+ irq_force_affinity(ce->irq, cpumask_of(cpu));
clockevents_register_device(ce);
return 0;
@@ -206,12 +200,14 @@ static int sirfsoc_local_timer_starting_cpu(unsigned int cpu)
static int sirfsoc_local_timer_dying_cpu(unsigned int cpu)
{
+ struct clock_event_device *ce = per_cpu_ptr(sirfsoc_clockevent, cpu);
+
sirfsoc_timer_count_disable(1);
if (cpu == 0)
- remove_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq);
+ free_irq(sirfsoc_timer_irq, ce);
else
- remove_irq(sirfsoc_timer1_irq.irq, &sirfsoc_timer1_irq);
+ free_irq(sirfsoc_timer1_irq, ce);
return 0;
}
@@ -268,14 +264,14 @@ static int __init sirfsoc_of_timer_init(struct device_node *np)
return -ENXIO;
}
- sirfsoc_timer_irq.irq = irq_of_parse_and_map(np, 0);
- if (!sirfsoc_timer_irq.irq) {
+ sirfsoc_timer_irq = irq_of_parse_and_map(np, 0);
+ if (!sirfsoc_timer_irq) {
pr_err("No irq passed for timer0 via DT\n");
return -EINVAL;
}
- sirfsoc_timer1_irq.irq = irq_of_parse_and_map(np, 1);
- if (!sirfsoc_timer1_irq.irq) {
+ sirfsoc_timer1_irq = irq_of_parse_and_map(np, 1);
+ if (!sirfsoc_timer1_irq) {
pr_err("No irq passed for timer1 via DT\n");
return -EINVAL;
}
diff --git a/drivers/clocksource/timer-cs5535.c b/drivers/clocksource/timer-cs5535.c
index 8f6bc536bef2..d47acfe848ae 100644
--- a/drivers/clocksource/timer-cs5535.c
+++ b/drivers/clocksource/timer-cs5535.c
@@ -131,14 +131,9 @@ static irqreturn_t mfgpt_tick(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static struct irqaction mfgptirq = {
- .handler = mfgpt_tick,
- .flags = IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED,
- .name = DRV_NAME,
-};
-
static int __init cs5535_mfgpt_init(void)
{
+ unsigned long flags = IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED;
struct cs5535_mfgpt_timer *timer;
int ret;
uint16_t val;
@@ -158,7 +153,7 @@ static int __init cs5535_mfgpt_init(void)
}
/* And register it with the kernel */
- ret = setup_irq(timer_irq, &mfgptirq);
+ ret = request_irq(timer_irq, mfgpt_tick, flags, DRV_NAME, timer);
if (ret) {
printk(KERN_ERR DRV_NAME ": Unable to set up the interrupt.\n");
goto err_irq;
diff --git a/drivers/clocksource/timer-efm32.c b/drivers/clocksource/timer-efm32.c
index 5a22cb079ad3..441a4b916841 100644
--- a/drivers/clocksource/timer-efm32.c
+++ b/drivers/clocksource/timer-efm32.c
@@ -119,13 +119,6 @@ static struct efm32_clock_event_ddata clock_event_ddata = {
},
};
-static struct irqaction efm32_clock_event_irq = {
- .name = "efm32 clockevent",
- .flags = IRQF_TIMER,
- .handler = efm32_clock_event_handler,
- .dev_id = &clock_event_ddata,
-};
-
static int __init efm32_clocksource_init(struct device_node *np)
{
struct clk *clk;
@@ -230,7 +223,8 @@ static int __init efm32_clockevent_init(struct device_node *np)
DIV_ROUND_CLOSEST(rate, 1024),
0xf, 0xffff);
- ret = setup_irq(irq, &efm32_clock_event_irq);
+ ret = request_irq(irq, efm32_clock_event_handler, IRQF_TIMER,
+ "efm32 clockevent", &clock_event_ddata);
if (ret) {
pr_err("Failed setup irq\n");
goto err_setup_irq;
diff --git a/drivers/clocksource/timer-fsl-ftm.c b/drivers/clocksource/timer-fsl-ftm.c
index a9d9a3ca5996..12a2ed7cfaff 100644
--- a/drivers/clocksource/timer-fsl-ftm.c
+++ b/drivers/clocksource/timer-fsl-ftm.c
@@ -176,13 +176,6 @@ static struct clock_event_device ftm_clockevent = {
.rating = 300,
};
-static struct irqaction ftm_timer_irq = {
- .name = "Freescale ftm timer",
- .flags = IRQF_TIMER | IRQF_IRQPOLL,
- .handler = ftm_evt_interrupt,
- .dev_id = &ftm_clockevent,
-};
-
static int __init ftm_clockevent_init(unsigned long freq, int irq)
{
int err;
@@ -192,7 +185,8 @@ static int __init ftm_clockevent_init(unsigned long freq, int irq)
ftm_reset_counter(priv->clkevt_base);
- err = setup_irq(irq, &ftm_timer_irq);
+ err = request_irq(irq, ftm_evt_interrupt, IRQF_TIMER | IRQF_IRQPOLL,
+ "Freescale ftm timer", &ftm_clockevent);
if (err) {
pr_err("ftm: setup irq failed: %d\n", err);
return err;
diff --git a/drivers/clocksource/timer-fttmr010.c b/drivers/clocksource/timer-fttmr010.c
index fadff7915dd9..edb1d5f193f5 100644
--- a/drivers/clocksource/timer-fttmr010.c
+++ b/drivers/clocksource/timer-fttmr010.c
@@ -38,6 +38,11 @@
#define TIMER_CR (0x30)
/*
+ * Control register set to clear for ast2600 only.
+ */
+#define AST2600_TIMER_CR_CLR (0x3c)
+
+/*
* Control register (TMC30) bit fields for fttmr010/gemini/moxart timers.
*/
#define TIMER_1_CR_ENABLE BIT(0)
@@ -97,6 +102,7 @@ struct fttmr010 {
bool is_aspeed;
u32 t1_enable_val;
struct clock_event_device clkevt;
+ int (*timer_shutdown)(struct clock_event_device *evt);
#ifdef CONFIG_ARM
struct delay_timer delay_timer;
#endif
@@ -140,9 +146,7 @@ static int fttmr010_timer_set_next_event(unsigned long cycles,
u32 cr;
/* Stop */
- cr = readl(fttmr010->base + TIMER_CR);
- cr &= ~fttmr010->t1_enable_val;
- writel(cr, fttmr010->base + TIMER_CR);
+ fttmr010->timer_shutdown(evt);
if (fttmr010->is_aspeed) {
/*
@@ -164,6 +168,16 @@ static int fttmr010_timer_set_next_event(unsigned long cycles,
return 0;
}
+static int ast2600_timer_shutdown(struct clock_event_device *evt)
+{
+ struct fttmr010 *fttmr010 = to_fttmr010(evt);
+
+ /* Stop */
+ writel(fttmr010->t1_enable_val, fttmr010->base + AST2600_TIMER_CR_CLR);
+
+ return 0;
+}
+
static int fttmr010_timer_shutdown(struct clock_event_device *evt)
{
struct fttmr010 *fttmr010 = to_fttmr010(evt);
@@ -183,9 +197,7 @@ static int fttmr010_timer_set_oneshot(struct clock_event_device *evt)
u32 cr;
/* Stop */
- cr = readl(fttmr010->base + TIMER_CR);
- cr &= ~fttmr010->t1_enable_val;
- writel(cr, fttmr010->base + TIMER_CR);
+ fttmr010->timer_shutdown(evt);
/* Setup counter start from 0 or ~0 */
writel(0, fttmr010->base + TIMER1_COUNT);
@@ -211,9 +223,7 @@ static int fttmr010_timer_set_periodic(struct clock_event_device *evt)
u32 cr;
/* Stop */
- cr = readl(fttmr010->base + TIMER_CR);
- cr &= ~fttmr010->t1_enable_val;
- writel(cr, fttmr010->base + TIMER_CR);
+ fttmr010->timer_shutdown(evt);
/* Setup timer to fire at 1/HZ intervals. */
if (fttmr010->is_aspeed) {
@@ -249,7 +259,21 @@ static irqreturn_t fttmr010_timer_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
+static irqreturn_t ast2600_timer_interrupt(int irq, void *dev_id)
+{
+ struct clock_event_device *evt = dev_id;
+ struct fttmr010 *fttmr010 = to_fttmr010(evt);
+
+ writel(0x1, fttmr010->base + TIMER_INTR_STATE);
+
+ evt->event_handler(evt);
+ return IRQ_HANDLED;
+}
+
+static int __init fttmr010_common_init(struct device_node *np,
+ bool is_aspeed,
+ int (*timer_shutdown)(struct clock_event_device *),
+ irq_handler_t irq_handler)
{
struct fttmr010 *fttmr010;
int irq;
@@ -350,6 +374,8 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
fttmr010->tick_rate);
}
+ fttmr010->timer_shutdown = timer_shutdown;
+
/*
* Setup clockevent timer (interrupt-driven) on timer 1.
*/
@@ -357,7 +383,7 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed)
writel(0, fttmr010->base + TIMER1_LOAD);
writel(0, fttmr010->base + TIMER1_MATCH1);
writel(0, fttmr010->base + TIMER1_MATCH2);
- ret = request_irq(irq, fttmr010_timer_interrupt, IRQF_TIMER,
+ ret = request_irq(irq, irq_handler, IRQF_TIMER,
"FTT