Merge remote-tracking branch 'arm-soc/clksrc/cleanup' into mxs/cleanup
This commit is contained in:
commit
3ed628a812
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@ -1593,6 +1593,7 @@ 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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@ -445,8 +446,7 @@ static void __init v2m_dt_timer_init(void)
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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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@ -95,23 +95,13 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id)
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}
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}
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static struct of_device_id bcm2835_time_match[] __initconst = {
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{ .compatible = "brcm,bcm2835-system-timer" },
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{}
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};
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static void __init bcm2835_timer_init(void)
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static void __init bcm2835_timer_init(struct device_node *node)
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{
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struct device_node *node;
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void __iomem *base;
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u32 freq;
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int irq;
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struct bcm2835_timer *timer;
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node = of_find_matching_node(NULL, bcm2835_time_match);
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if (!node)
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panic("No bcm2835 timer node");
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base = of_iomap(node, 0);
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if (!base)
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panic("Can't remap registers");
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@ -26,10 +26,10 @@ void __init clocksource_of_init(void)
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{
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struct device_node *np;
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const struct of_device_id *match;
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void (*init_func)(void);
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void (*init_func)(struct device_node *);
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for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
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init_func = match->data;
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init_func();
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init_func(np);
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}
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}
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@ -154,29 +154,12 @@ static struct irqaction tegra_timer_irq = {
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.dev_id = &tegra_clockevent,
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};
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static const struct of_device_id timer_match[] __initconst = {
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{ .compatible = "nvidia,tegra20-timer" },
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{}
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};
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static const struct of_device_id rtc_match[] __initconst = {
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{ .compatible = "nvidia,tegra20-rtc" },
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{}
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};
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static void __init tegra20_init_timer(void)
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static void __init tegra20_init_timer(struct device_node *np)
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{
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struct device_node *np;
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struct clk *clk;
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unsigned long rate;
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int ret;
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np = of_find_matching_node(NULL, timer_match);
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if (!np) {
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pr_err("Failed to find timer DT node\n");
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BUG();
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}
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timer_reg_base = of_iomap(np, 0);
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if (!timer_reg_base) {
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pr_err("Can't map timer registers\n");
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@ -200,30 +183,6 @@ static void __init tegra20_init_timer(void)
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of_node_put(np);
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np = of_find_matching_node(NULL, rtc_match);
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if (!np) {
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pr_err("Failed to find RTC DT node\n");
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BUG();
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}
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rtc_base = of_iomap(np, 0);
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if (!rtc_base) {
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pr_err("Can't map RTC registers");
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BUG();
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}
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/*
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* rtc registers are used by read_persistent_clock, keep the rtc clock
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* enabled
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*/
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clk = clk_get_sys("rtc-tegra", NULL);
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if (IS_ERR(clk))
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pr_warn("Unable to get rtc-tegra clock\n");
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else
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clk_prepare_enable(clk);
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of_node_put(np);
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switch (rate) {
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case 12000000:
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timer_writel(0x000b, TIMERUS_USEC_CFG);
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@ -259,12 +218,34 @@ static void __init tegra20_init_timer(void)
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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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static void __init tegra20_init_rtc(struct device_node *np)
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{
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struct clk *clk;
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rtc_base = of_iomap(np, 0);
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if (!rtc_base) {
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pr_err("Can't map RTC registers");
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BUG();
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}
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/*
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* rtc registers are used by read_persistent_clock, keep the rtc clock
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* enabled
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*/
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clk = clk_get_sys("rtc-tegra", NULL);
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if (IS_ERR(clk))
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pr_warn("Unable to get rtc-tegra clock\n");
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else
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clk_prepare_enable(clk);
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of_node_put(np);
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register_persistent_clock(NULL, tegra_read_persistent_clock);
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}
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CLOCKSOURCE_OF_DECLARE(tegra20, "nvidia,tegra20-timer", tegra20_init_timer);
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CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);
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#ifdef CONFIG_PM
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static u32 usec_config;
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@ -129,22 +129,10 @@ static struct irqaction irq = {
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.dev_id = &clockevent,
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};
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static struct of_device_id vt8500_timer_ids[] = {
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{ .compatible = "via,vt8500-timer" },
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{ }
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};
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static void __init vt8500_timer_init(void)
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static void __init vt8500_timer_init(struct device_node *np)
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{
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struct device_node *np;
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int timer_irq;
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np = of_find_matching_node(NULL, vt8500_timer_ids);
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if (!np) {
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pr_err("%s: Timer description missing from Device Tree\n",
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__func__);
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return;
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}
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regbase = of_iomap(np, 0);
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if (!regbase) {
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pr_err("%s: Missing iobase description in Device Tree\n",
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@ -340,6 +340,7 @@ extern void clocksource_of_init(void);
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__used __section(__clksrc_of_table) \
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= { .compatible = compat, .data = fn };
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#else
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static inline void clocksource_of_init(void) {}
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#define CLOCKSOURCE_OF_DECLARE(name, compat, fn)
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#endif
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