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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 10:04:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 10:04:05 -0700 |
commit | 4d4fcae1d4a10c6cf3c8ca2ec61d2d3270f1225e (patch) | |
tree | fb09c210f8402cb7201b6ae4797343adcf4b73ac /drivers | |
parent | b4a41ed24c858d75985c7dcba685715fdf2e6114 (diff) | |
parent | b15ed691667f59867c9c130b8d84feda4050be04 (diff) | |
download | lwn-4d4fcae1d4a10c6cf3c8ca2ec61d2d3270f1225e.tar.gz lwn-4d4fcae1d4a10c6cf3c8ca2ec61d2d3270f1225e.zip |
Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fix build alloc_thread_info_node function
sh: Fix ptrace hw_breakpoint handling
sh: Fix ptrace fpu state initialisation
sh: Re-enable GENERIC_HARDIRQS_NO_DEPRECATED.
sh: pmb: Use struct syscore_ops instead of sysdevs
sh: Use struct syscore_ops instead of sysdevs
sh: Conver to asm-generic/sizes.h.
sh: wire up sys_syncfs.
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/sh/clk/core.c | 68 | ||||
-rw-r--r-- | drivers/sh/intc/core.c | 95 | ||||
-rw-r--r-- | drivers/sh/intc/internals.h | 1 |
3 files changed, 65 insertions, 99 deletions
diff --git a/drivers/sh/clk/core.c b/drivers/sh/clk/core.c index 5f63c3b83828..4f64183b27fa 100644 --- a/drivers/sh/clk/core.c +++ b/drivers/sh/clk/core.c @@ -21,7 +21,7 @@ #include <linux/module.h> #include <linux/mutex.h> #include <linux/list.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/seq_file.h> #include <linux/err.h> #include <linux/io.h> @@ -630,68 +630,36 @@ long clk_round_parent(struct clk *clk, unsigned long target, EXPORT_SYMBOL_GPL(clk_round_parent); #ifdef CONFIG_PM -static int clks_sysdev_suspend(struct sys_device *dev, pm_message_t state) +static void clks_core_resume(void) { - static pm_message_t prev_state; struct clk *clkp; - switch (state.event) { - case PM_EVENT_ON: - /* Resumeing from hibernation */ - if (prev_state.event != PM_EVENT_FREEZE) - break; - - list_for_each_entry(clkp, &clock_list, node) { - if (likely(clkp->ops)) { - unsigned long rate = clkp->rate; - - if (likely(clkp->ops->set_parent)) - clkp->ops->set_parent(clkp, - clkp->parent); - if (likely(clkp->ops->set_rate)) - clkp->ops->set_rate(clkp, rate); - else if (likely(clkp->ops->recalc)) - clkp->rate = clkp->ops->recalc(clkp); - } + list_for_each_entry(clkp, &clock_list, node) { + if (likely(clkp->ops)) { + unsigned long rate = clkp->rate; + + if (likely(clkp->ops->set_parent)) + clkp->ops->set_parent(clkp, + clkp->parent); + if (likely(clkp->ops->set_rate)) + clkp->ops->set_rate(clkp, rate); + else if (likely(clkp->ops->recalc)) + clkp->rate = clkp->ops->recalc(clkp); } - break; - case PM_EVENT_FREEZE: - break; - case PM_EVENT_SUSPEND: - break; } - - prev_state = state; - return 0; -} - -static int clks_sysdev_resume(struct sys_device *dev) -{ - return clks_sysdev_suspend(dev, PMSG_ON); } -static struct sysdev_class clks_sysdev_class = { - .name = "clks", -}; - -static struct sysdev_driver clks_sysdev_driver = { - .suspend = clks_sysdev_suspend, - .resume = clks_sysdev_resume, -}; - -static struct sys_device clks_sysdev_dev = { - .cls = &clks_sysdev_class, +static struct syscore_ops clks_syscore_ops = { + .resume = clks_core_resume, }; -static int __init clk_sysdev_init(void) +static int __init clk_syscore_init(void) { - sysdev_class_register(&clks_sysdev_class); - sysdev_driver_register(&clks_sysdev_class, &clks_sysdev_driver); - sysdev_register(&clks_sysdev_dev); + register_syscore_ops(&clks_syscore_ops); return 0; } -subsys_initcall(clk_sysdev_init); +subsys_initcall(clk_syscore_init); #endif /* diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 9739431092d1..5833afbf08d7 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/sh_intc.h> #include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/list.h> #include <linux/spinlock.h> #include <linux/radix-tree.h> @@ -376,91 +377,89 @@ err0: return -ENOMEM; } -static ssize_t -show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) +static int intc_suspend(void) { struct intc_desc_int *d; - d = container_of(dev, struct intc_desc_int, sysdev); + list_for_each_entry(d, &intc_list, list) { + int irq; - return sprintf(buf, "%s\n", d->chip.name); -} + /* enable wakeup irqs belonging to this intc controller */ + for_each_active_irq(irq) { + struct irq_data *data; + struct irq_desc *desc; + struct irq_chip *chip; -static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL); + data = irq_get_irq_data(irq); + chip = irq_data_get_irq_chip(data); + if (chip != &d->chip) + continue; + desc = irq_to_desc(irq); + if ((desc->status & IRQ_WAKEUP)) + chip->irq_enable(data); + } + } + + return 0; +} -static int intc_suspend(struct sys_device *dev, pm_message_t state) +static void intc_resume(void) { struct intc_desc_int *d; - struct irq_data *data; - struct irq_desc *desc; - struct irq_chip *chip; - int irq; - - /* get intc controller associated with this sysdev */ - d = container_of(dev, struct intc_desc_int, sysdev); - switch (state.event) { - case PM_EVENT_ON: - if (d->state.event != PM_EVENT_FREEZE) - break; + list_for_each_entry(d, &intc_list, list) { + int irq; for_each_active_irq(irq) { - desc = irq_to_desc(irq); + struct irq_data *data; + struct irq_desc *desc; + struct irq_chip *chip; + data = irq_get_irq_data(irq); chip = irq_data_get_irq_chip(data); - /* * This will catch the redirect and VIRQ cases * due to the dummy_irq_chip being inserted. */ if (chip != &d->chip) continue; + desc = irq_to_desc(irq); if (desc->status & IRQ_DISABLED) chip->irq_disable(data); else chip->irq_enable(data); } - break; - case PM_EVENT_FREEZE: - /* nothing has to be done */ - break; - case PM_EVENT_SUSPEND: - /* enable wakeup irqs belonging to this intc controller */ - for_each_active_irq(irq) { - desc = irq_to_desc(irq); - data = irq_get_irq_data(irq); - chip = irq_data_get_irq_chip(data); - - if (chip != &d->chip) - continue; - if ((desc->status & IRQ_WAKEUP)) - chip->irq_enable(data); - } - break; } - - d->state = state; - - return 0; } -static int intc_resume(struct sys_device *dev) -{ - return intc_suspend(dev, PMSG_ON); -} +struct syscore_ops intc_syscore_ops = { + .suspend = intc_suspend, + .resume = intc_resume, +}; struct sysdev_class intc_sysdev_class = { .name = "intc", - .suspend = intc_suspend, - .resume = intc_resume, }; -/* register this intc as sysdev to allow suspend/resume */ +static ssize_t +show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) +{ + struct intc_desc_int *d; + + d = container_of(dev, struct intc_desc_int, sysdev); + + return sprintf(buf, "%s\n", d->chip.name); +} + +static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL); + static int __init register_intc_sysdevs(void) { struct intc_desc_int *d; int error; + register_syscore_ops(&intc_syscore_ops); + error = sysdev_class_register(&intc_sysdev_class); if (!error) { list_for_each_entry(d, &intc_list, list) { diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index 0cf8260971d4..df36a421e675 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -53,7 +53,6 @@ struct intc_desc_int { struct list_head list; struct sys_device sysdev; struct radix_tree_root tree; - pm_message_t state; raw_spinlock_t lock; unsigned int index; unsigned long *reg; |