diff options
Diffstat (limited to 'drivers/clocksource')
-rw-r--r-- | drivers/clocksource/acpi_pm.c | 24 | ||||
-rw-r--r-- | drivers/clocksource/clksrc-dbx500-prcmu.c | 5 | ||||
-rw-r--r-- | drivers/clocksource/cs5535-clockevt.c | 3 | ||||
-rw-r--r-- | drivers/clocksource/cyclone.c | 2 | ||||
-rw-r--r-- | drivers/clocksource/scx200_hrt.c | 24 | ||||
-rw-r--r-- | drivers/clocksource/sh_cmt.c | 4 | ||||
-rw-r--r-- | drivers/clocksource/sh_mtu2.c | 4 | ||||
-rw-r--r-- | drivers/clocksource/sh_tmu.c | 4 |
8 files changed, 39 insertions, 31 deletions
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index 6b5cf02c35c..82e882028fc 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -23,6 +23,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/delay.h> +#include <linux/async.h> #include <asm/io.h> /* @@ -179,17 +180,15 @@ static int verify_pmtmr_rate(void) /* Number of reads we try to get two different values */ #define ACPI_PM_READ_CHECKS 10000 -static int __init init_acpi_pm_clocksource(void) +static void __init acpi_pm_clocksource_async(void *unused, async_cookie_t cookie) { cycle_t value1, value2; unsigned int i, j = 0; - if (!pmtmr_ioport) - return -ENODEV; /* "verify" this timing source: */ for (j = 0; j < ACPI_PM_MONOTONICITY_CHECKS; j++) { - udelay(100 * j); + usleep_range(100 * j, 100 * j + 100); value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); for (i = 0; i < ACPI_PM_READ_CHECKS; i++) { value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); @@ -203,25 +202,34 @@ static int __init init_acpi_pm_clocksource(void) " 0x%#llx, 0x%#llx - aborting.\n", value1, value2); pmtmr_ioport = 0; - return -EINVAL; + return; } if (i == ACPI_PM_READ_CHECKS) { printk(KERN_INFO "PM-Timer failed consistency check " " (0x%#llx) - aborting.\n", value1); pmtmr_ioport = 0; - return -ENODEV; + return; } } if (verify_pmtmr_rate() != 0){ pmtmr_ioport = 0; - return -ENODEV; + return; } - return clocksource_register_hz(&clocksource_acpi_pm, + clocksource_register_hz(&clocksource_acpi_pm, PMTMR_TICKS_PER_SEC); } +static int __init init_acpi_pm_clocksource(void) +{ + if (!pmtmr_ioport) + return -ENODEV; + + async_schedule(acpi_pm_clocksource_async, NULL); + return 0; +} + /* We use fs_initcall because we want the PCI fixups to have run * but we still need to load before device_initcall */ diff --git a/drivers/clocksource/clksrc-dbx500-prcmu.c b/drivers/clocksource/clksrc-dbx500-prcmu.c index fb6b6d28b60..c26c369eb9e 100644 --- a/drivers/clocksource/clksrc-dbx500-prcmu.c +++ b/drivers/clocksource/clksrc-dbx500-prcmu.c @@ -52,7 +52,6 @@ static struct clocksource clocksource_dbx500_prcmu = { .name = "dbx500-prcmu-timer", .rating = 300, .read = clksrc_dbx500_prcmu_read, - .shift = 10, .mask = CLOCKSOURCE_MASK(32), .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -90,7 +89,5 @@ void __init clksrc_dbx500_prcmu_init(void __iomem *base) setup_sched_clock(dbx500_prcmu_sched_clock_read, 32, RATE_32K); #endif - clocksource_calc_mult_shift(&clocksource_dbx500_prcmu, - RATE_32K, SCHED_CLOCK_MIN_WRAP); - clocksource_register(&clocksource_dbx500_prcmu); + clocksource_register_hz(&clocksource_dbx500_prcmu, RATE_32K); } diff --git a/drivers/clocksource/cs5535-clockevt.c b/drivers/clocksource/cs5535-clockevt.c index b7dab32ce63..540795cd076 100644 --- a/drivers/clocksource/cs5535-clockevt.c +++ b/drivers/clocksource/cs5535-clockevt.c @@ -100,7 +100,6 @@ static struct clock_event_device cs5535_clockevent = { .set_mode = mfgpt_set_mode, .set_next_event = mfgpt_next_event, .rating = 250, - .cpumask = cpu_all_mask, .shift = 32 }; @@ -133,7 +132,7 @@ static irqreturn_t mfgpt_tick(int irq, void *dev_id) static struct irqaction mfgptirq = { .handler = mfgpt_tick, - .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER, + .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_TIMER | IRQF_SHARED, .name = DRV_NAME, }; diff --git a/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c index 72f811f73e9..9e0998f2288 100644 --- a/drivers/clocksource/cyclone.c +++ b/drivers/clocksource/cyclone.c @@ -55,11 +55,11 @@ static int __init init_cyclone_clocksource(void) } /* even on 64bit systems, this is only 32bits: */ base = readl(reg); + iounmap(reg); if (!base) { printk(KERN_ERR "Summit chipset: Could not find valid CBAR value.\n"); return -ENODEV; } - iounmap(reg); /* setup PMCC: */ offset = base + CYCLONE_PMCC_OFFSET; diff --git a/drivers/clocksource/scx200_hrt.c b/drivers/clocksource/scx200_hrt.c index 27f4d9637b6..64f9e829443 100644 --- a/drivers/clocksource/scx200_hrt.c +++ b/drivers/clocksource/scx200_hrt.c @@ -49,9 +49,6 @@ static cycle_t read_hrt(struct clocksource *cs) return (cycle_t) inl(scx200_cb_base + SCx200_TIMER_OFFSET); } -#define HRT_SHIFT_1 22 -#define HRT_SHIFT_27 26 - static struct clocksource cs_hrt = { .name = "scx200_hrt", .rating = 250, @@ -63,6 +60,7 @@ static struct clocksource cs_hrt = { static int __init init_hrt_clocksource(void) { + u32 freq; /* Make sure scx200 has initialized the configuration block */ if (!scx200_cb_present()) return -ENODEV; @@ -71,7 +69,7 @@ static int __init init_hrt_clocksource(void) if (!request_region(scx200_cb_base + SCx200_TIMER_OFFSET, SCx200_TIMER_SIZE, "NatSemi SCx200 High-Resolution Timer")) { - printk(KERN_WARNING NAME ": unable to lock timer region\n"); + pr_warn("unable to lock timer region\n"); return -ENODEV; } @@ -79,19 +77,13 @@ static int __init init_hrt_clocksource(void) outb(HR_TMEN | (mhz27 ? HR_TMCLKSEL : 0), scx200_cb_base + SCx200_TMCNFG_OFFSET); - if (mhz27) { - cs_hrt.shift = HRT_SHIFT_27; - cs_hrt.mult = clocksource_hz2mult((HRT_FREQ + ppm) * 27, - cs_hrt.shift); - } else { - cs_hrt.shift = HRT_SHIFT_1; - cs_hrt.mult = clocksource_hz2mult(HRT_FREQ + ppm, - cs_hrt.shift); - } - printk(KERN_INFO "enabling scx200 high-res timer (%s MHz +%d ppm)\n", - mhz27 ? "27":"1", ppm); + freq = (HRT_FREQ + ppm); + if (mhz27) + freq *= 27; + + pr_info("enabling scx200 high-res timer (%s MHz +%d ppm)\n", mhz27 ? "27":"1", ppm); - return clocksource_register(&cs_hrt); + return clocksource_register_hz(&cs_hrt, freq); } module_init(init_hrt_clocksource); diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index ca09bc421dd..32fe9ef5cc5 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -32,6 +32,7 @@ #include <linux/sh_timer.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/pm_domain.h> struct sh_cmt_priv { void __iomem *mapbase; @@ -689,6 +690,9 @@ static int __devinit sh_cmt_probe(struct platform_device *pdev) struct sh_cmt_priv *p = platform_get_drvdata(pdev); int ret; + if (!is_early_platform_device(pdev)) + pm_genpd_dev_always_on(&pdev->dev, true); + if (p) { dev_info(&pdev->dev, "kept as earlytimer\n"); return 0; diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index db8d5955bad..a2172f69041 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -31,6 +31,7 @@ #include <linux/sh_timer.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/pm_domain.h> struct sh_mtu2_priv { void __iomem *mapbase; @@ -306,6 +307,9 @@ static int __devinit sh_mtu2_probe(struct platform_device *pdev) struct sh_mtu2_priv *p = platform_get_drvdata(pdev); int ret; + if (!is_early_platform_device(pdev)) + pm_genpd_dev_always_on(&pdev->dev, true); + if (p) { dev_info(&pdev->dev, "kept as earlytimer\n"); return 0; diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c index 079e96ad44e..97f54b634be 100644 --- a/drivers/clocksource/sh_tmu.c +++ b/drivers/clocksource/sh_tmu.c @@ -32,6 +32,7 @@ #include <linux/sh_timer.h> #include <linux/slab.h> #include <linux/module.h> +#include <linux/pm_domain.h> struct sh_tmu_priv { void __iomem *mapbase; @@ -410,6 +411,9 @@ static int __devinit sh_tmu_probe(struct platform_device *pdev) struct sh_tmu_priv *p = platform_get_drvdata(pdev); int ret; + if (!is_early_platform_device(pdev)) + pm_genpd_dev_always_on(&pdev->dev, true); + if (p) { dev_info(&pdev->dev, "kept as earlytimer\n"); return 0; |