3 files changed, 76 insertions, 83 deletions

diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index a12b33c0dc42..9c49a46a2b7a 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -185,14 +185,6 @@ static struct sa1111_dev_info sa1111_devices[] = {
         },
 };
 
-void __init sa1111_adjust_zones(unsigned long *size, unsigned long *holes)
-{
-        unsigned int sz = SZ_1M >> PAGE_SHIFT;
-
-        size[1] = size[0] - sz;
-        size[0] = sz;
-}
-
 /*
  * SA1111 interrupt support.  Since clearing an IRQ while there are
  * active IRQs causes the interrupt output to pulse, the upper levels
diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index 6ef3342153b9..41df47875122 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -18,53 +18,67 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
+#include <linux/clk.h>
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
+#include <linux/err.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 
 #include <asm/hardware/arm_timer.h>
 
-/*
- * These timers are currently always setup to be clocked at 1MHz.
- */
-#define TIMER_FREQ_KHZ  (1000)
-#define TIMER_RELOAD    (TIMER_FREQ_KHZ * 1000 / HZ)
+static long __init sp804_get_clock_rate(const char *name)
+{
+        struct clk *clk;
+        long rate;
+        int err;
+
+        clk = clk_get_sys("sp804", name);
+        if (IS_ERR(clk)) {
+                pr_err("sp804: %s clock not found: %d\n", name,
+                        (int)PTR_ERR(clk));
+                return PTR_ERR(clk);
+        }
 
-static void __iomem *clksrc_base;
+        err = clk_enable(clk);
+        if (err) {
+                pr_err("sp804: %s clock failed to enable: %d\n", name, err);
+                clk_put(clk);
+                return err;
+        }
 
-static cycle_t sp804_read(struct clocksource *cs)
-{
-        return ~readl(clksrc_base + TIMER_VALUE);
-}
+        rate = clk_get_rate(clk);
+        if (rate < 0) {
+                pr_err("sp804: %s clock failed to get rate: %ld\n", name, rate);
+                clk_disable(clk);
+                clk_put(clk);
+        }
 
-static struct clocksource clocksource_sp804 = {
-        .name           = "timer3",
-        .rating         = 200,
-        .read           = sp804_read,
-        .mask           = CLOCKSOURCE_MASK(32),
-        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
-};
+        return rate;
+}
 
-void __init sp804_clocksource_init(void __iomem *base)
+void __init sp804_clocksource_init(void __iomem *base, const char *name)
 {
-        struct clocksource *cs = &clocksource_sp804;
+        long rate = sp804_get_clock_rate(name);
 
-        clksrc_base = base;
+        if (rate < 0)
+                return;
 
         /* setup timer 0 as free-running clocksource */
-        writel(0, clksrc_base + TIMER_CTRL);
-        writel(0xffffffff, clksrc_base + TIMER_LOAD);
-        writel(0xffffffff, clksrc_base + TIMER_VALUE);
+        writel(0, base + TIMER_CTRL);
+        writel(0xffffffff, base + TIMER_LOAD);
+        writel(0xffffffff, base + TIMER_VALUE);
         writel(TIMER_CTRL_32BIT | TIMER_CTRL_ENABLE | TIMER_CTRL_PERIODIC,
-                clksrc_base + TIMER_CTRL);
+                base + TIMER_CTRL);
 
-        clocksource_register_khz(cs, TIMER_FREQ_KHZ);
+        clocksource_mmio_init(base + TIMER_VALUE, name,
+                rate, 200, 32, clocksource_mmio_readl_down);
 }
 
 
 static void __iomem *clkevt_base;
+static unsigned long clkevt_reload;
 
 /*
  * IRQ handler for the timer
@@ -90,7 +104,7 @@ static void sp804_set_mode(enum clock_event_mode mode,
 
         switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
-                writel(TIMER_RELOAD, clkevt_base + TIMER_LOAD);
+                writel(clkevt_reload, clkevt_base + TIMER_LOAD);
                 ctrl |= TIMER_CTRL_PERIODIC | TIMER_CTRL_ENABLE;
                 break;
 
@@ -120,7 +134,6 @@ static int sp804_set_next_event(unsigned long next,
 }
 
 static struct clock_event_device sp804_clockevent = {
-        .name           = "timer0",
         .shift          = 32,
         .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
         .set_mode       = sp804_set_mode,
@@ -136,17 +149,24 @@ static struct irqaction sp804_timer_irq = {
         .dev_id         = &sp804_clockevent,
 };
 
-void __init sp804_clockevents_init(void __iomem *base, unsigned int timer_irq)
+void __init sp804_clockevents_init(void __iomem *base, unsigned int irq,
+        const char *name)
 {
         struct clock_event_device *evt = &sp804_clockevent;
+        long rate = sp804_get_clock_rate(name);
+
+        if (rate < 0)
+                return;
 
         clkevt_base = base;
+        clkevt_reload = DIV_ROUND_CLOSEST(rate, HZ);
 
-        evt->irq = timer_irq;
-        evt->mult = div_sc(TIMER_FREQ_KHZ, NSEC_PER_MSEC, evt->shift);
+        evt->name = name;
+        evt->irq = irq;
+        evt->mult = div_sc(rate, NSEC_PER_SEC, evt->shift);
         evt->max_delta_ns = clockevent_delta2ns(0xffffffff, evt);
         evt->min_delta_ns = clockevent_delta2ns(0xf, evt);
 
-        setup_irq(timer_irq, &sp804_timer_irq);
+        setup_irq(irq, &sp804_timer_irq);
         clockevents_register_device(evt);
 }
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index 113085a77123..7aa4262ada7a 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -22,17 +22,16 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/io.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
 #include <linux/device.h>
 #include <linux/amba/bus.h>
 
 #include <asm/mach/irq.h>
 #include <asm/hardware/vic.h>
 
-#if defined(CONFIG_PM)
+#ifdef CONFIG_PM
 /**
  * struct vic_device - VIC PM device
- * @sysdev: The system device which is registered.
  * @irq: The IRQ number for the base of the VIC.
  * @base: The register base for the VIC.
  * @resume_sources: A bitmask of interrupts for resume.
@@ -43,8 +42,6 @@
  * @protect: Save for VIC_PROTECT.
  */
 struct vic_device {
-        struct sys_device sysdev;
-
         void __iomem    *base;
         int             irq;
         u32             resume_sources;
@@ -59,11 +56,6 @@ struct vic_device {
 static struct vic_device vic_devices[CONFIG_ARM_VIC_NR];
 
 static int vic_id;
-
-static inline struct vic_device *to_vic(struct sys_device *sys)
-{
-        return container_of(sys, struct vic_device, sysdev);
-}
 #endif /* CONFIG_PM */
 
 /**
@@ -85,10 +77,9 @@ static void vic_init2(void __iomem *base)
         writel(32, base + VIC_PL190_DEF_VECT_ADDR);
 }
 
-#if defined(CONFIG_PM)
-static int vic_class_resume(struct sys_device *dev)
+#ifdef CONFIG_PM
+static void resume_one_vic(struct vic_device *vic)
 {
-        struct vic_device *vic = to_vic(dev);
         void __iomem *base = vic->base;
 
         printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base);
@@ -107,13 +98,18 @@ static int vic_class_resume(struct sys_device *dev)
 
         writel(vic->soft_int, base + VIC_INT_SOFT);
         writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR);
+}
 
-        return 0;
+static void vic_resume(void)
+{
+        int id;
+
+        for (id = vic_id - 1; id >= 0; id--)
+                resume_one_vic(vic_devices + id);
 }
 
-static int vic_class_suspend(struct sys_device *dev, pm_message_t state)
+static void suspend_one_vic(struct vic_device *vic)
 {
-        struct vic_device *vic = to_vic(dev);
         void __iomem *base = vic->base;
 
         printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base);
@@ -128,14 +124,21 @@ static int vic_class_suspend(struct sys_device *dev, pm_message_t state)
 
         writel(vic->resume_irqs, base + VIC_INT_ENABLE);
         writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR);
+}
+
+static int vic_suspend(void)
+{
+        int id;
+
+        for (id = 0; id < vic_id; id++)
+                suspend_one_vic(vic_devices + id);
 
         return 0;
 }
 
-struct sysdev_class vic_class = {
-        .name           = "vic",
-        .suspend        = vic_class_suspend,
-        .resume         = vic_class_resume,
+struct syscore_ops vic_syscore_ops = {
+        .suspend        = vic_suspend,
+        .resume         = vic_resume,
 };
 
 /**
@@ -147,30 +150,8 @@ struct sysdev_class vic_class = {
 */
 static int __init vic_pm_init(void)
 {
-        struct vic_device *dev = vic_devices;
-        int err;
-        int id;
-
-        if (vic_id == 0)
-                return 0;
-
-        err = sysdev_class_register(&vic_class);
-        if (err) {
-                printk(KERN_ERR "%s: cannot register class\n", __func__);
-                return err;
-        }
-
-        for (id = 0; id < vic_id; id++, dev++) {
-                dev->sysdev.id = id;
-                dev->sysdev.cls = &vic_class;
-
-                err = sysdev_register(&dev->sysdev);
-                if (err) {
-                        printk(KERN_ERR "%s: failed to register device\n",
-                               __func__);
-                        return err;
-                }
-        }
+        if (vic_id > 0)
+                register_syscore_ops(&vic_syscore_ops);
 
         return 0;
 }