ARM: smp_twd: convert to use CLKSRC_OF init
Now that we have OF based init with CLKSRC_OF, convert smp_twd init function to use it and covert all callers of twd_local_timer_of_register. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Shawn Guo <shawn.guo@linaro.org> Cc: Sascha Hauer <kernel@pengutronix.de> Cc: Russell King <linux@arm.linux.org.uk> Cc: Viresh Kumar <viresh.linux@gmail.com> Cc: Shiraz Hashim <shiraz.hashim@st.com> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: John Stultz <johnstul@us.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-omap@vger.kernel.org Cc: spear-devel@list.st.com Reviewed-by: Stephen Warren <swarren@nvidia.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Linus Walleij <linus.walleij@linaro.org>
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@ -1597,6 +1597,7 @@ config HAVE_ARM_ARCH_TIMER
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config HAVE_ARM_TWD
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bool
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depends on SMP
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select CLKSRC_OF if OF
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help
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This options enables support for the ARM timer and watchdog unit
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@ -34,12 +34,4 @@ struct twd_local_timer name __initdata = { \
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int twd_local_timer_register(struct twd_local_timer *);
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#ifdef CONFIG_HAVE_ARM_TWD
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void twd_local_timer_of_register(void);
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#else
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static inline void twd_local_timer_of_register(void)
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{
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}
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#endif
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#endif
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@ -362,25 +362,13 @@ int __init twd_local_timer_register(struct twd_local_timer *tlt)
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}
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#ifdef CONFIG_OF
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const static struct of_device_id twd_of_match[] __initconst = {
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{ .compatible = "arm,cortex-a9-twd-timer", },
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{ .compatible = "arm,cortex-a5-twd-timer", },
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{ .compatible = "arm,arm11mp-twd-timer", },
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{ },
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};
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void __init twd_local_timer_of_register(void)
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static void __init twd_local_timer_of_register(struct device_node *np)
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{
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struct device_node *np;
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int err;
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if (!is_smp() || !setup_max_cpus)
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return;
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np = of_find_matching_node(NULL, twd_of_match);
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if (!np)
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return;
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twd_ppi = irq_of_parse_and_map(np, 0);
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if (!twd_ppi) {
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err = -EINVAL;
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@ -398,4 +386,7 @@ void __init twd_local_timer_of_register(void)
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out:
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WARN(err, "twd_local_timer_of_register failed (%d)\n", err);
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}
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CLOCKSOURCE_OF_DECLARE(arm_twd_a9, "arm,cortex-a9-twd-timer", twd_local_timer_of_register);
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CLOCKSOURCE_OF_DECLARE(arm_twd_a5, "arm,cortex-a5-twd-timer", twd_local_timer_of_register);
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CLOCKSOURCE_OF_DECLARE(arm_twd_11mp, "arm,arm11mp-twd-timer", twd_local_timer_of_register);
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#endif
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@ -32,7 +32,6 @@
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#include <asm/cacheflush.h>
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#include <asm/cputype.h>
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#include <asm/smp_plat.h>
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#include <asm/smp_twd.h>
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#include <asm/hardware/arm_timer.h>
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#include <asm/hardware/timer-sp.h>
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#include <asm/hardware/cache-l2x0.h>
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@ -119,10 +118,10 @@ static void __init highbank_timer_init(void)
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sp804_clocksource_and_sched_clock_init(timer_base + 0x20, "timer1");
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sp804_clockevents_init(timer_base, irq, "timer0");
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twd_local_timer_of_register();
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arch_timer_of_register();
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arch_timer_sched_clock_init();
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clocksource_of_init();
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}
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static void highbank_power_off(void)
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@ -12,6 +12,7 @@
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/clocksource.h>
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#include <linux/cpu.h>
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#include <linux/delay.h>
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#include <linux/export.h>
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@ -28,11 +29,9 @@
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#include <linux/regmap.h>
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#include <linux/micrel_phy.h>
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#include <linux/mfd/syscon.h>
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#include <asm/smp_twd.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/system_misc.h>
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#include "common.h"
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@ -292,7 +291,7 @@ static void __init imx6q_init_irq(void)
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static void __init imx6q_timer_init(void)
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{
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mx6q_clocks_init();
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twd_local_timer_of_register();
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clocksource_of_init();
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imx_print_silicon_rev("i.MX6Q", imx6q_revision());
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}
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@ -597,7 +597,7 @@ void __init omap4_local_timer_init(void)
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int err;
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if (of_have_populated_dt()) {
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twd_local_timer_of_register();
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clocksource_of_init();
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return;
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}
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@ -15,12 +15,12 @@
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#include <linux/amba/pl022.h>
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#include <linux/clk.h>
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#include <linux/clocksource.h>
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#include <linux/dw_dmac.h>
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#include <linux/err.h>
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#include <linux/of.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/mach/map.h>
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#include <asm/smp_twd.h>
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#include <mach/dma.h>
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#include <mach/generic.h>
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#include <mach/spear.h>
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@ -179,5 +179,5 @@ void __init spear13xx_timer_init(void)
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clk_put(pclk);
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spear_setup_of_timer();
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twd_local_timer_of_register();
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clocksource_of_init();
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}
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@ -7,6 +7,7 @@
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#include <linux/io.h>
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#include <linux/errno.h>
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#include <linux/clksrc-dbx500-prcmu.h>
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#include <linux/clocksource.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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#include <linux/platform_data/clocksource-nomadik-mtu.h>
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@ -32,7 +33,7 @@ static void __init ux500_twd_init(void)
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twd_local_timer = &u8500_twd_local_timer;
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if (of_have_populated_dt())
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twd_local_timer_of_register();
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clocksource_of_init();
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else {
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err = twd_local_timer_register(twd_local_timer);
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if (err)
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@ -5,6 +5,7 @@
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#include <linux/amba/bus.h>
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#include <linux/amba/mmci.h>
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#include <linux/io.h>
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#include <linux/clocksource.h>
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#include <linux/smp.h>
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#include <linux/init.h>
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#include <linux/irqchip.h>
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@ -25,7 +26,6 @@
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#include <asm/arch_timer.h>
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#include <asm/mach-types.h>
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#include <asm/sizes.h>
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#include <asm/smp_twd.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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@ -435,6 +435,7 @@ static void __init v2m_dt_timer_init(void)
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vexpress_clk_of_init();
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clocksource_of_init();
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do {
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node = of_find_compatible_node(node, NULL, "arm,sp804");
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} while (node && vexpress_get_site_by_node(node) != VEXPRESS_SITE_MB);
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irq_of_parse_and_map(node, 0));
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}
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if (arch_timer_of_register() != 0)
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twd_local_timer_of_register();
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arch_timer_of_register();
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if (arch_timer_sched_clock_init() != 0)
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versatile_sched_clock_init(vexpress_get_24mhz_clock_base(),
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@ -218,9 +218,6 @@ static void __init tegra20_init_timer(struct device_node *np)
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tegra_clockevent.irq = tegra_timer_irq.irq;
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clockevents_config_and_register(&tegra_clockevent, 1000000,
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0x1, 0x1fffffff);
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#ifdef CONFIG_HAVE_ARM_TWD
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twd_local_timer_of_register();
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#endif
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}
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CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer);
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