[PATCH 01/40] ARM: AT91: update clock source registration
From: Russell King - ARM Linux <hidden>
Date: 2010-12-17 11:35:39
Subsystem:
arm port, arm/microchip (at91) soc support, the rest · Maintainers:
Russell King, Nicolas Ferre, Alexandre Belloni, Claudiu Beznea, Linus Torvalds
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. Signed-off-by: Russell King <redacted> --- arch/arm/mach-at91/at91rm9200_time.c | 4 +--- 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 2500f41..1dd69c8 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 608a632..4ba8549 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);
--
1.6.2.5