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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-08 14:09:47 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-05-23 18:04:51 +0100 |
| commit | 234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868 (patch) | |
| tree | 891f57ca663b5ec0bb61bb3e38c5306e0d13d2bd /arch/arm/mach-tegra | |
| parent | 442c8176d2efa468577738e3a99a6e051f6e8e55 (diff) | |
| download | kernel_samsung_smdk4412-234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868.zip kernel_samsung_smdk4412-234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868.tar.gz kernel_samsung_smdk4412-234b6ceddb4fc2a4bc5b9a7670f070f6e69e0868.tar.bz2 | |
clocksource: convert ARM 32-bit up counting clocksources
Convert ixp4xx, lpc32xx, mxc, netx, pxa, sa1100, tcc8k, tegra and u300
to use the generic mmio clocksource recently introduced.
Cc: Imre Kaloz <kaloz@openwrt.org>
Cc: Krzysztof Halasa <khc@pm.waw.pl>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Acked-by: "Hans J. Koch" <hjk@hansjkoch.de>
Acked-by: Colin Cross <ccross@android.com>
Cc: Erik Gilling <konkers@android.com>
Cc: Olof Johansson <olof@lixom.net>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-tegra')
| -rw-r--r-- | arch/arm/mach-tegra/timer.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c index 0fcb1eb..9035042 100644 --- a/arch/arm/mach-tegra/timer.c +++ b/arch/arm/mach-tegra/timer.c @@ -98,11 +98,6 @@ static void tegra_timer_set_mode(enum clock_event_mode mode, } } -static cycle_t tegra_clocksource_read(struct clocksource *cs) -{ - return timer_readl(TIMERUS_CNTR_1US); -} - static struct clock_event_device tegra_clockevent = { .name = "timer0", .rating = 300, @@ -111,14 +106,6 @@ static struct clock_event_device tegra_clockevent = { .set_mode = tegra_timer_set_mode, }; -static struct clocksource tegra_clocksource = { - .name = "timer_us", - .rating = 300, - .read = tegra_clocksource_read, - .mask = CLOCKSOURCE_MASK(32), - .flags = CLOCK_SOURCE_IS_CONTINUOUS, -}; - static DEFINE_CLOCK_DATA(cd); /* @@ -234,7 +221,8 @@ static void __init tegra_init_timer(void) init_fixed_sched_clock(&cd, tegra_update_sched_clock, 32, 1000000, SC_MULT, SC_SHIFT); - if (clocksource_register_hz(&tegra_clocksource, 1000000)) { + if (clocksource_mmio_init(timer_reg_base + TIMERUS_CNTR_1US, + "timer_us", 1000000, 300, 32, clocksource_mmio_readl_up)) { printk(KERN_ERR "Failed to register clocksource\n"); BUG(); } |