diff options
| author | Magnus Damm <damm@igel.co.jp> | 2009-04-21 12:24:00 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-21 13:41:47 -0700 |
| commit | 8e19608e8b5c001e4a66ce482edc474f05fb7355 (patch) | |
| tree | 06af4be339136da7476396604c30112238d84339 /drivers/clocksource | |
| parent | ff14ed5db6e7e5e5dc23712d3c877891d4d9a1a8 (diff) | |
| download | lwn-8e19608e8b5c001e4a66ce482edc474f05fb7355.tar.gz lwn-8e19608e8b5c001e4a66ce482edc474f05fb7355.zip | |
clocksource: pass clocksource to read() callback
Pass clocksource pointer to the read() callback for clocksources. This
allows us to share the callback between multiple instances.
[hugh@veritas.com: fix powerpc build of clocksource pass clocksource mods]
[akpm@linux-foundation.org: cleanup]
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/acpi_pm.c | 12 | ||||
| -rw-r--r-- | drivers/clocksource/cyclone.c | 2 | ||||
| -rw-r--r-- | drivers/clocksource/scx200_hrt.c | 2 | ||||
| -rw-r--r-- | drivers/clocksource/tcb_clksrc.c | 2 |
4 files changed, 9 insertions, 9 deletions
diff --git a/drivers/clocksource/acpi_pm.c b/drivers/clocksource/acpi_pm.c index ee19b6e8fcb4..40bd8c61c7d7 100644 --- a/drivers/clocksource/acpi_pm.c +++ b/drivers/clocksource/acpi_pm.c @@ -57,7 +57,7 @@ u32 acpi_pm_read_verified(void) return v2; } -static cycle_t acpi_pm_read(void) +static cycle_t acpi_pm_read(struct clocksource *cs) { return (cycle_t)read_pmtmr(); } @@ -83,7 +83,7 @@ static int __init acpi_pm_good_setup(char *__str) } __setup("acpi_pm_good", acpi_pm_good_setup); -static cycle_t acpi_pm_read_slow(void) +static cycle_t acpi_pm_read_slow(struct clocksource *cs) { return (cycle_t)acpi_pm_read_verified(); } @@ -156,9 +156,9 @@ static int verify_pmtmr_rate(void) unsigned long count, delta; mach_prepare_counter(); - value1 = clocksource_acpi_pm.read(); + value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); mach_countup(&count); - value2 = clocksource_acpi_pm.read(); + value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); delta = (value2 - value1) & ACPI_PM_MASK; /* Check that the PMTMR delta is within 5% of what we expect */ @@ -195,9 +195,9 @@ static int __init init_acpi_pm_clocksource(void) /* "verify" this timing source: */ for (j = 0; j < ACPI_PM_MONOTONICITY_CHECKS; j++) { udelay(100 * j); - value1 = clocksource_acpi_pm.read(); + value1 = clocksource_acpi_pm.read(&clocksource_acpi_pm); for (i = 0; i < ACPI_PM_READ_CHECKS; i++) { - value2 = clocksource_acpi_pm.read(); + value2 = clocksource_acpi_pm.read(&clocksource_acpi_pm); if (value2 == value1) continue; if (value2 > value1) diff --git a/drivers/clocksource/cyclone.c b/drivers/clocksource/cyclone.c index 8615059a8729..64e528e8bfa6 100644 --- a/drivers/clocksource/cyclone.c +++ b/drivers/clocksource/cyclone.c @@ -19,7 +19,7 @@ int use_cyclone = 0; static void __iomem *cyclone_ptr; -static cycle_t read_cyclone(void) +static cycle_t read_cyclone(struct clocksource *cs) { return (cycle_t)readl(cyclone_ptr); } diff --git a/drivers/clocksource/scx200_hrt.c b/drivers/clocksource/scx200_hrt.c index b92da677aa5d..27f4d9637b62 100644 --- a/drivers/clocksource/scx200_hrt.c +++ b/drivers/clocksource/scx200_hrt.c @@ -43,7 +43,7 @@ MODULE_PARM_DESC(ppm, "+-adjust to actual XO freq (ppm)"); /* The base timer frequency, * 27 if selected */ #define HRT_FREQ 1000000 -static cycle_t read_hrt(void) +static cycle_t read_hrt(struct clocksource *cs) { /* Read the timer value */ return (cycle_t) inl(scx200_cb_base + SCx200_TIMER_OFFSET); diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 254f1064d973..01b886e68822 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -39,7 +39,7 @@ static void __iomem *tcaddr; -static cycle_t tc_get_cycles(void) +static cycle_t tc_get_cycles(struct clocksource *cs) { unsigned long flags; u32 lower, upper; |