[PATCH 02/24] ARM: bcmring: update clock source registration
Scott Branden
sbranden at broadcom.com
Mon Dec 13 14:36:03 EST 2010
> -----Original Message-----
> From: Russell King [mailto:rmk at arm.linux.org.uk] On Behalf Of Russell
> King - ARM Linux
> Sent: December 13, 2010 11:16 AM
> To: linux-arm-kernel at lists.infradead.org
> Cc: Leo Chen; Scott Branden
> Subject: [PATCH 02/24] ARM: bcmring: 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.
>
> Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
Changes follow John Stultz' notes from his commit
Acked-By: Scott Branden <sbranden at broadcom.com>
> ---
> arch/arm/mach-bcmring/core.c | 14 ++++----------
> 1 files changed, 4 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm/mach-bcmring/core.c b/arch/arm/mach-
> bcmring/core.c
> index d3f959e..b91b1b0 100644
> --- a/arch/arm/mach-bcmring/core.c
> +++ b/arch/arm/mach-bcmring/core.c
> @@ -294,7 +294,6 @@ static struct clocksource
> clocksource_bcmring_timer1 = {
> .rating = 200,
> .read = bcmring_get_cycles_timer1,
> .mask = CLOCKSOURCE_MASK(32),
> - .shift = 20,
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> };
>
> @@ -303,7 +302,6 @@ static struct clocksource
> clocksource_bcmring_timer3 = {
> .rating = 100,
> .read = bcmring_get_cycles_timer3,
> .mask = CLOCKSOURCE_MASK(32),
> - .shift = 20,
> .flags = CLOCK_SOURCE_IS_CONTINUOUS,
> };
>
> @@ -316,10 +314,8 @@ static int __init bcmring_clocksource_init(void)
> writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE |
> TIMER_CTRL_PERIODIC,
> TIMER1_VA_BASE + TIMER_CTRL);
>
> - clocksource_bcmring_timer1.mult =
> - clocksource_khz2mult(TIMER1_FREQUENCY_MHZ * 1000,
> - clocksource_bcmring_timer1.shift);
> - clocksource_register(&clocksource_bcmring_timer1);
> + clocksource_register_khz(&clocksource_bcmring_timer1,
> + TIMER1_FREQUENCY_MHZ * 1000);
>
> /* setup timer3 as free-running clocksource */
> writel(0, TIMER3_VA_BASE + TIMER_CTRL);
> @@ -328,10 +324,8 @@ static int __init bcmring_clocksource_init(void)
> writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE |
> TIMER_CTRL_PERIODIC,
> TIMER3_VA_BASE + TIMER_CTRL);
>
> - clocksource_bcmring_timer3.mult =
> - clocksource_khz2mult(TIMER3_FREQUENCY_KHZ,
> - clocksource_bcmring_timer3.shift);
> - clocksource_register(&clocksource_bcmring_timer3);
> + clocksource_register_khz(&clocksource_bcmring_timer3,
> + TIMER3_FREQUENCY_KHZ);
>
> return 0;
> }
> --
> 1.6.2.5
>
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