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-rw-r--r--drivers/clocksource/arm_arch_timer_mmio.c4
-rw-r--r--drivers/clocksource/clps711x-timer.c2
-rw-r--r--drivers/clocksource/em_sti.c4
-rw-r--r--drivers/clocksource/hyperv_timer.c37
-rw-r--r--drivers/clocksource/mips-gic-timer.c2
-rw-r--r--drivers/clocksource/samsung_pwm_timer.c22
-rw-r--r--drivers/clocksource/sh_cmt.c4
-rw-r--r--drivers/clocksource/sh_mtu2.c4
-rw-r--r--drivers/clocksource/sh_tmu.c4
-rw-r--r--drivers/clocksource/timer-armada-370-xp.c18
-rw-r--r--drivers/clocksource/timer-nxp-pit.c4
-rw-r--r--drivers/clocksource/timer-nxp-stm.c2
-rw-r--r--drivers/clocksource/timer-rtl-otto.c14
-rw-r--r--drivers/clocksource/timer-sun4i.c2
-rw-r--r--drivers/clocksource/timer-sun5i.c4
-rw-r--r--drivers/clocksource/timer-tegra186.c4
-rw-r--r--drivers/clocksource/timer-ti-dm.c4
17 files changed, 79 insertions, 56 deletions
diff --git a/drivers/clocksource/arm_arch_timer_mmio.c b/drivers/clocksource/arm_arch_timer_mmio.c
index d10362692fdd..d678f764d3bb 100644
--- a/drivers/clocksource/arm_arch_timer_mmio.c
+++ b/drivers/clocksource/arm_arch_timer_mmio.c
@@ -313,10 +313,8 @@ static int arch_timer_mmio_frame_register(struct platform_device *pdev,
ret = devm_request_irq(&pdev->dev, irq, arch_timer_mmio_handler,
IRQF_TIMER | IRQF_NO_AUTOEN, "arch_mem_timer",
&at->evt);
- if (ret) {
- dev_err(&pdev->dev, "Failed to request mem timer irq\n");
+ if (ret)
return ret;
- }
/* Afer this point, we're not allowed to fail anymore */
arch_timer_mmio_setup(at, irq);
diff --git a/drivers/clocksource/clps711x-timer.c b/drivers/clocksource/clps711x-timer.c
index bb0a44adaf28..63ae3a691b14 100644
--- a/drivers/clocksource/clps711x-timer.c
+++ b/drivers/clocksource/clps711x-timer.c
@@ -94,7 +94,7 @@ static int __init clps711x_timer_init(struct device_node *np)
switch (of_alias_get_id(np, "timer")) {
case CLPS711X_CLKSRC_CLOCKSOURCE:
clps711x_clksrc_init(clock, base);
- break;
+ return 0;
case CLPS711X_CLKSRC_CLOCKEVENT:
ret = _clps711x_clkevt_init(clock, base, irq);
break;
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index ca8d29ab70da..73a3357d173d 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -300,10 +300,8 @@ static int em_sti_probe(struct platform_device *pdev)
ret = devm_request_irq(&pdev->dev, irq, em_sti_interrupt,
IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING,
dev_name(&pdev->dev), p);
- if (ret) {
- dev_err(&pdev->dev, "failed to request low IRQ\n");
+ if (ret)
return ret;
- }
/* get hold of clock */
p->clk = devm_clk_get(&pdev->dev, "sclk");
diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
index e9f5034a1bc8..df567795d175 100644
--- a/drivers/clocksource/hyperv_timer.c
+++ b/drivers/clocksource/hyperv_timer.c
@@ -444,6 +444,22 @@ static u64 notrace read_hv_clock_tsc_cs(struct clocksource *arg)
return read_hv_clock_tsc();
}
+static u64 notrace read_hv_clock_tsc_cs_snapshot(struct clocksource *arg,
+ struct clocksource_hw_snapshot *chs)
+{
+ u64 time;
+
+ if (hv_read_tsc_page_tsc(tsc_page, &chs->hw_cycles, &time)) {
+ chs->hw_csid = CSID_X86_TSC;
+ } else {
+ chs->hw_cycles = 0;
+ chs->hw_csid = CSID_GENERIC;
+ time = read_hv_clock_msr();
+ }
+
+ return time;
+}
+
static u64 noinstr read_hv_sched_clock_tsc(void)
{
return (read_hv_clock_tsc() - hv_sched_clock_offset) *
@@ -492,18 +508,19 @@ static int hv_cs_enable(struct clocksource *cs)
#endif
static struct clocksource hyperv_cs_tsc = {
- .name = "hyperv_clocksource_tsc_page",
- .rating = 500,
- .read = read_hv_clock_tsc_cs,
- .mask = CLOCKSOURCE_MASK(64),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
- .suspend= suspend_hv_clock_tsc,
- .resume = resume_hv_clock_tsc,
+ .name = "hyperv_clocksource_tsc_page",
+ .rating = 500,
+ .read = read_hv_clock_tsc_cs,
+ .read_snapshot = read_hv_clock_tsc_cs_snapshot,
+ .mask = CLOCKSOURCE_MASK(64),
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+ .suspend = suspend_hv_clock_tsc,
+ .resume = resume_hv_clock_tsc,
#ifdef HAVE_VDSO_CLOCKMODE_HVCLOCK
- .enable = hv_cs_enable,
- .vdso_clock_mode = VDSO_CLOCKMODE_HVCLOCK,
+ .enable = hv_cs_enable,
+ .vdso_clock_mode = VDSO_CLOCKMODE_HVCLOCK,
#else
- .vdso_clock_mode = VDSO_CLOCKMODE_NONE,
+ .vdso_clock_mode = VDSO_CLOCKMODE_NONE,
#endif
};
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c
index 1501c7db9a8e..a1669266c94d 100644
--- a/drivers/clocksource/mips-gic-timer.c
+++ b/drivers/clocksource/mips-gic-timer.c
@@ -198,7 +198,9 @@ static struct clocksource gic_clocksource = {
.name = "GIC",
.read = gic_hpt_read,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
+#ifdef CONFIG_GENERIC_GETTIMEOFDAY
.vdso_clock_mode = VDSO_CLOCKMODE_GIC,
+#endif
};
static void gic_clocksource_unstable(char *reason)
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index b9561e3f196c..0544124cf5ce 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -56,7 +56,7 @@
#define TCON_AUTORELOAD(chan) \
((chan < 5) ? _TCON_AUTORELOAD(chan) : _TCON_AUTORELOAD4(chan))
-DEFINE_SPINLOCK(samsung_pwm_lock);
+DEFINE_RAW_SPINLOCK(samsung_pwm_lock);
EXPORT_SYMBOL(samsung_pwm_lock);
struct samsung_pwm_clocksource {
@@ -87,14 +87,14 @@ static void samsung_timer_set_prescale(unsigned int channel, u16 prescale)
if (channel >= 2)
shift = TCFG0_PRESCALER1_SHIFT;
- spin_lock_irqsave(&samsung_pwm_lock, flags);
+ raw_spin_lock_irqsave(&samsung_pwm_lock, flags);
reg = readl(pwm.base + REG_TCFG0);
reg &= ~(TCFG0_PRESCALER_MASK << shift);
reg |= (prescale - 1) << shift;
writel(reg, pwm.base + REG_TCFG0);
- spin_unlock_irqrestore(&samsung_pwm_lock, flags);
+ raw_spin_unlock_irqrestore(&samsung_pwm_lock, flags);
}
static void samsung_timer_set_divisor(unsigned int channel, u8 divisor)
@@ -106,14 +106,14 @@ static void samsung_timer_set_divisor(unsigned int channel, u8 divisor)
bits = (fls(divisor) - 1) - pwm.variant.div_base;
- spin_lock_irqsave(&samsung_pwm_lock, flags);
+ raw_spin_lock_irqsave(&samsung_pwm_lock, flags);
reg = readl(pwm.base + REG_TCFG1);
reg &= ~(TCFG1_MUX_MASK << shift);
reg |= bits << shift;
writel(reg, pwm.base + REG_TCFG1);
- spin_unlock_irqrestore(&samsung_pwm_lock, flags);
+ raw_spin_unlock_irqrestore(&samsung_pwm_lock, flags);
}
static void samsung_time_stop(unsigned int channel)
@@ -124,13 +124,13 @@ static void samsung_time_stop(unsigned int channel)
if (channel > 0)
++channel;
- spin_lock_irqsave(&samsung_pwm_lock, flags);
+ raw_spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = readl_relaxed(pwm.base + REG_TCON);
tcon &= ~TCON_START(channel);
writel_relaxed(tcon, pwm.base + REG_TCON);
- spin_unlock_irqrestore(&samsung_pwm_lock, flags);
+ raw_spin_unlock_irqrestore(&samsung_pwm_lock, flags);
}
static void samsung_time_setup(unsigned int channel, unsigned long tcnt)
@@ -142,7 +142,7 @@ static void samsung_time_setup(unsigned int channel, unsigned long tcnt)
if (tcon_chan > 0)
++tcon_chan;
- spin_lock_irqsave(&samsung_pwm_lock, flags);
+ raw_spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = readl_relaxed(pwm.base + REG_TCON);
@@ -153,7 +153,7 @@ static void samsung_time_setup(unsigned int channel, unsigned long tcnt)
writel_relaxed(tcnt, pwm.base + REG_TCMPB(channel));
writel_relaxed(tcon, pwm.base + REG_TCON);
- spin_unlock_irqrestore(&samsung_pwm_lock, flags);
+ raw_spin_unlock_irqrestore(&samsung_pwm_lock, flags);
}
static void samsung_time_start(unsigned int channel, bool periodic)
@@ -164,7 +164,7 @@ static void samsung_time_start(unsigned int channel, bool periodic)
if (channel > 0)
++channel;
- spin_lock_irqsave(&samsung_pwm_lock, flags);
+ raw_spin_lock_irqsave(&samsung_pwm_lock, flags);
tcon = readl_relaxed(pwm.base + REG_TCON);
@@ -178,7 +178,7 @@ static void samsung_time_start(unsigned int channel, bool periodic)
writel_relaxed(tcon, pwm.base + REG_TCON);
- spin_unlock_irqrestore(&samsung_pwm_lock, flags);
+ raw_spin_unlock_irqrestore(&samsung_pwm_lock, flags);
}
static int samsung_set_next_event(unsigned long cycles,
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index cf057f531a58..7977507f6ce3 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -974,8 +974,8 @@ static int sh_cmt_map_memory(struct sh_cmt_device *cmt)
}
static const struct platform_device_id sh_cmt_id_table[] = {
- { "sh-cmt-16", (kernel_ulong_t)&sh_cmt_info[SH_CMT_16BIT] },
- { "sh-cmt-32", (kernel_ulong_t)&sh_cmt_info[SH_CMT_32BIT] },
+ { .name = "sh-cmt-16", .driver_data = (kernel_ulong_t)&sh_cmt_info[SH_CMT_16BIT] },
+ { .name = "sh-cmt-32", .driver_data = (kernel_ulong_t)&sh_cmt_info[SH_CMT_32BIT] },
{ }
};
MODULE_DEVICE_TABLE(platform, sh_cmt_id_table);
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 1997639b113e..3aca86d6a2d4 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -484,8 +484,8 @@ static int sh_mtu2_probe(struct platform_device *pdev)
}
static const struct platform_device_id sh_mtu2_id_table[] = {
- { "sh-mtu2", 0 },
- { },
+ { .name = "sh-mtu2" },
+ { }
};
MODULE_DEVICE_TABLE(platform, sh_mtu2_id_table);
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 8d6a9e279f73..8b3cfa6727bd 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -614,8 +614,8 @@ static int sh_tmu_probe(struct platform_device *pdev)
}
static const struct platform_device_id sh_tmu_id_table[] = {
- { "sh-tmu", SH_TMU },
- { "sh-tmu-sh3", SH_TMU_SH3 },
+ { .name = "sh-tmu", .driver_data = SH_TMU },
+ { .name = "sh-tmu-sh3", .driver_data = SH_TMU_SH3 },
{ }
};
MODULE_DEVICE_TABLE(platform, sh_tmu_id_table);
diff --git a/drivers/clocksource/timer-armada-370-xp.c b/drivers/clocksource/timer-armada-370-xp.c
index a405a084cf72..b5a984aa1cbb 100644
--- a/drivers/clocksource/timer-armada-370-xp.c
+++ b/drivers/clocksource/timer-armada-370-xp.c
@@ -349,7 +349,11 @@ static int __init armada_xp_timer_init(struct device_node *np)
timer_clk = clk_get_rate(clk);
- return armada_370_xp_timer_common_init(np);
+ ret = armada_370_xp_timer_common_init(np);
+ if (ret)
+ clk_disable_unprepare(clk);
+
+ return ret;
}
TIMER_OF_DECLARE(armada_xp, "marvell,armada-xp-timer",
armada_xp_timer_init);
@@ -387,7 +391,11 @@ static int __init armada_375_timer_init(struct device_node *np)
timer25Mhz = false;
}
- return armada_370_xp_timer_common_init(np);
+ ret = armada_370_xp_timer_common_init(np);
+ if (ret)
+ clk_disable_unprepare(clk);
+
+ return ret;
}
TIMER_OF_DECLARE(armada_375, "marvell,armada-375-timer",
armada_375_timer_init);
@@ -410,7 +418,11 @@ static int __init armada_370_timer_init(struct device_node *np)
timer_clk = clk_get_rate(clk) / TIMER_DIVIDER;
timer25Mhz = false;
- return armada_370_xp_timer_common_init(np);
+ ret = armada_370_xp_timer_common_init(np);
+ if (ret)
+ clk_disable_unprepare(clk);
+
+ return ret;
}
TIMER_OF_DECLARE(armada_370, "marvell,armada-370-timer",
armada_370_timer_init);
diff --git a/drivers/clocksource/timer-nxp-pit.c b/drivers/clocksource/timer-nxp-pit.c
index bc5157e2ba57..2f70d1d5e21b 100644
--- a/drivers/clocksource/timer-nxp-pit.c
+++ b/drivers/clocksource/timer-nxp-pit.c
@@ -328,8 +328,10 @@ static int pit_timer_init(struct device_node *np)
if (pit_instances == max_pit_instances) {
ret = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "PIT timer:starting",
pit_clockevent_starting_cpu, NULL);
- if (ret < 0)
+ if (ret < 0) {
+ pit_clockevent_per_cpu_exit(pit, pit_instances);
goto out_pit_clocksource_unregister;
+ }
}
return 0;
diff --git a/drivers/clocksource/timer-nxp-stm.c b/drivers/clocksource/timer-nxp-stm.c
index 1ab907233f48..6fe098a4a33f 100644
--- a/drivers/clocksource/timer-nxp-stm.c
+++ b/drivers/clocksource/timer-nxp-stm.c
@@ -441,7 +441,7 @@ static int nxp_stm_timer_probe(struct platform_device *pdev)
ret = devm_request_irq(dev, irq, nxp_stm_module_interrupt,
IRQF_TIMER | IRQF_NOBALANCING, name, stm_timer);
if (ret)
- return dev_err_probe(dev, ret, "Unable to allocate interrupt line\n");
+ return ret;
ret = nxp_stm_clocksource_init(dev, stm_timer, name, base, clk);
if (ret)
diff --git a/drivers/clocksource/timer-rtl-otto.c b/drivers/clocksource/timer-rtl-otto.c
index dd236a7babee..0d1b9a01a94c 100644
--- a/drivers/clocksource/timer-rtl-otto.c
+++ b/drivers/clocksource/timer-rtl-otto.c
@@ -56,37 +56,37 @@ struct rttm_cs {
/* Simple internal register functions */
static inline unsigned int rttm_get_counter(void __iomem *base)
{
- return ioread32(base + RTTM_CNT);
+ return __raw_readl(base + RTTM_CNT);
}
static inline void rttm_set_period(void __iomem *base, unsigned int period)
{
- iowrite32(period, base + RTTM_DATA);
+ __raw_writel(period, base + RTTM_DATA);
}
static inline void rttm_disable_timer(void __iomem *base)
{
- iowrite32(0, base + RTTM_CTRL);
+ __raw_writel(0, base + RTTM_CTRL);
}
static inline void rttm_enable_timer(void __iomem *base, u32 mode, u32 divisor)
{
- iowrite32(RTTM_CTRL_ENABLE | mode | divisor, base + RTTM_CTRL);
+ __raw_writel(RTTM_CTRL_ENABLE | mode | divisor, base + RTTM_CTRL);
}
static inline void rttm_ack_irq(void __iomem *base)
{
- iowrite32(ioread32(base + RTTM_INT) | RTTM_INT_PENDING, base + RTTM_INT);
+ __raw_writel(__raw_readl(base + RTTM_INT) | RTTM_INT_PENDING, base + RTTM_INT);
}
static inline void rttm_enable_irq(void __iomem *base)
{
- iowrite32(RTTM_INT_ENABLE, base + RTTM_INT);
+ __raw_writel(RTTM_INT_ENABLE, base + RTTM_INT);
}
static inline void rttm_disable_irq(void __iomem *base)
{
- iowrite32(0, base + RTTM_INT);
+ __raw_writel(0, base + RTTM_INT);
}
/* Aggregated control functions for kernel clock framework */
diff --git a/drivers/clocksource/timer-sun4i.c b/drivers/clocksource/timer-sun4i.c
index 7bdcc60ad43c..c2d04ab7cf2d 100644
--- a/drivers/clocksource/timer-sun4i.c
+++ b/drivers/clocksource/timer-sun4i.c
@@ -208,7 +208,7 @@ static int __init sun4i_timer_init(struct device_node *node)
sun4i_timer_clear_interrupt(timer_of_base(&to));
clockevents_config_and_register(&to.clkevt, timer_of_rate(&to),
- TIMER_SYNC_TICKS, 0xffffffff);
+ TIMER_SYNC_TICKS + 1, 0xffffffff);
/* Enable timer0 interrupt */
val = readl(timer_of_base(&to) + TIMER_IRQ_EN_REG);
diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c
index 6ab300d22621..bcf155fb9cac 100644
--- a/drivers/clocksource/timer-sun5i.c
+++ b/drivers/clocksource/timer-sun5i.c
@@ -247,10 +247,8 @@ static int sun5i_setup_clockevent(struct platform_device *pdev,
ret = devm_request_irq(dev, irq, sun5i_timer_interrupt,
IRQF_TIMER | IRQF_IRQPOLL,
"sun5i_timer0", ce);
- if (ret) {
- dev_err(dev, "Unable to register interrupt\n");
+ if (ret)
return ret;
- }
return 0;
}
diff --git a/drivers/clocksource/timer-tegra186.c b/drivers/clocksource/timer-tegra186.c
index 78600ddeb1c6..0f626ecf61b0 100644
--- a/drivers/clocksource/timer-tegra186.c
+++ b/drivers/clocksource/timer-tegra186.c
@@ -532,10 +532,8 @@ static int tegra186_timer_probe(struct platform_device *pdev)
if (kernel_wdt) {
err = devm_request_irq(dev, irq, tegra186_wdt_irq, 0,
dev_name(dev), kernel_wdt);
- if (err < 0) {
- dev_err(dev, "failed to request kernel WDT IRQ: %d\n", err);
+ if (err < 0)
goto unregister_usec;
- }
tegra186_wdt_set_timeout(&kernel_wdt->base, TEGRA186_KERNEL_WDT_TIMEOUT);
tegra186_wdt_enable(kernel_wdt);
diff --git a/drivers/clocksource/timer-ti-dm.c b/drivers/clocksource/timer-ti-dm.c
index bd06afb7d522..6787acac9a43 100644
--- a/drivers/clocksource/timer-ti-dm.c
+++ b/drivers/clocksource/timer-ti-dm.c
@@ -1375,10 +1375,8 @@ static int omap_dm_timer_setup_clockevent(struct dmtimer *timer)
ret = devm_request_irq(dev, timer->irq, omap_dm_timer_evt_interrupt,
IRQF_TIMER, "omap_dm_timer_clockevent", clkevt);
- if (ret) {
- dev_err(dev, "Failed to request interrupt: %d\n", ret);
+ if (ret)
return ret;
- }
__omap_dm_timer_int_enable(timer, OMAP_TIMER_INT_OVERFLOW);
generated by cgit v1.2.3 (git 2.0.4) at 2026-08-20 19:56:33 +0000