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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-13 13:14:55 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-12-19 15:44:53 +0000 |
| commit | 132b16325fae0742a02075894af16197e83febe8 (patch) | |
| tree | a7e8d434e669c3da8e1380b63832eb36e4492c08 /arch/arm/mach-at91 | |
| parent | 40cc52440073903f3b7477a3391c4ca0761445d0 (diff) | |
| download | lwn-132b16325fae0742a02075894af16197e83febe8.tar.gz lwn-132b16325fae0742a02075894af16197e83febe8.zip | |
ARM: AT91: update clock source registration
In d7e81c2 (clocksource: Add clocksource_register_hz/khz interface) new
interfaces were added which simplify (and optimize) the selection of the
divisor shift/mult constants. Switch over to using this new interface.
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200_time.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-at91/at91sam926x_time.c | 4 |
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 2500f41d8d2d..1dd69c85dfec 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -101,7 +101,6 @@ static struct clocksource clk32k = { .rating = 150, .read = read_clk32k, .mask = CLOCKSOURCE_MASK(20), - .shift = 10, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -201,8 +200,7 @@ void __init at91rm9200_timer_init(void) clockevents_register_device(&clkevt); /* register clocksource */ - clk32k.mult = clocksource_hz2mult(AT91_SLOW_CLOCK, clk32k.shift); - clocksource_register(&clk32k); + clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK); } struct sys_timer at91rm9200_timer = { diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 608a63240b64..4ba85499fa97 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -51,7 +51,6 @@ static struct clocksource pit_clk = { .name = "pit", .rating = 175, .read = read_pit_clk, - .shift = 20, .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; @@ -163,10 +162,9 @@ static void __init at91sam926x_pit_init(void) * Register clocksource. The high order bits of PIV are unused, * so this isn't a 32-bit counter unless we get clockevent irqs. */ - pit_clk.mult = clocksource_hz2mult(pit_rate, pit_clk.shift); bits = 12 /* PICNT */ + ilog2(pit_cycle) /* PIV */; pit_clk.mask = CLOCKSOURCE_MASK(bits); - clocksource_register(&pit_clk); + clocksource_register_hz(&pit_clk, pit_rate); /* Set up irq handler */ setup_irq(AT91_ID_SYS, &at91sam926x_pit_irq); |