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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-05 11:15:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-05 11:15:54 -0700
commit45e36c1666aa6c8b0c538abcf984b336184d8c3f (patch)
treec1f1771d6b02ec210238081450b4a063847b3383 /drivers
parent87fc94d54b639d8c39fc4a11db0e142f84096e13 (diff)
parent68b42d1b548be1840aff7122fdebeb804daf0fa3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (23 commits) sh: sh7785lcr: Map whole PCI address space. sh: Fix up DSP context save/restore. sh: Fix up number of on-chip DMA channels on SH7091. sh: update defconfigs. sh: Kill off broken direct-mapped cache mode. sh: Wire up ARCH_HAS_DEFAULT_IDLE for cpuidle. sh: Add a command line option for disabling I/O trapping. sh: Select ARCH_HIBERNATION_POSSIBLE. sh: migor: Fix up CEU use flags. input: migor_ts: add wakeup support rtc: rtc-sh: use set_irq_wake() input: sh_keysc: use enable/disable_irq_wake() sh: intc: set_irq_wake() support sh: intc: install enable, disable and shutdown callbacks clocksource: sh_cmt: use remove_irq() and remove clockevent workaround sh: ap325 and Migo-R use new sh_mobile_ceu_info flags sh: Fix up -Wformat-security whining. sh: ap325rxa: Add ov772x support, again. sh: Sanitize asm/mmu.h for assembly use. sh: Tidy up sh7786 pinmux table. ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clocksource/sh_cmt.c3
-rw-r--r--drivers/input/keyboard/sh_keysc.c17
-rw-r--r--drivers/input/touchscreen/migor_ts.c23
-rw-r--r--drivers/rtc/rtc-sh.c36
-rw-r--r--drivers/sh/intc.c68
5 files changed, 144 insertions, 3 deletions
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c
index 7783b42f691..1c92c39a53a 100644
--- a/drivers/clocksource/sh_cmt.c
+++ b/drivers/clocksource/sh_cmt.c
@@ -465,7 +465,6 @@ static void sh_cmt_register_clockevent(struct sh_cmt_priv *p,
ced->set_mode = sh_cmt_clock_event_mode;
pr_info("sh_cmt: %s used for clock events\n", ced->name);
- ced->mult = 1; /* work around misplaced WARN_ON() in clockevents.c */
clockevents_register_device(ced);
}
@@ -557,7 +556,7 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev)
cfg->clockevent_rating,
cfg->clocksource_rating);
err2:
- free_irq(irq, p);
+ remove_irq(irq, &p->irqaction);
err1:
iounmap(p->mapbase);
err0:
diff --git a/drivers/input/keyboard/sh_keysc.c b/drivers/input/keyboard/sh_keysc.c
index e1480fb11de..cea70e6a103 100644
--- a/drivers/input/keyboard/sh_keysc.c
+++ b/drivers/input/keyboard/sh_keysc.c
@@ -259,12 +259,15 @@ static int sh_keysc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct sh_keysc_priv *priv = platform_get_drvdata(pdev);
+ int irq = platform_get_irq(pdev, 0);
unsigned short value;
value = ioread16(priv->iomem_base + KYCR1_OFFS);
- if (device_may_wakeup(dev))
+ if (device_may_wakeup(dev)) {
value |= 0x80;
+ enable_irq_wake(irq);
+ }
else
value &= ~0x80;
@@ -272,8 +275,20 @@ static int sh_keysc_suspend(struct device *dev)
return 0;
}
+static int sh_keysc_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int irq = platform_get_irq(pdev, 0);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(irq);
+
+ return 0;
+}
+
static struct dev_pm_ops sh_keysc_dev_pm_ops = {
.suspend = sh_keysc_suspend,
+ .resume = sh_keysc_resume,
};
struct platform_driver sh_keysc_device_driver = {
diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c
index 504ca11749a..141dd584330 100644
--- a/drivers/input/touchscreen/migor_ts.c
+++ b/drivers/input/touchscreen/migor_ts.c
@@ -198,6 +198,7 @@ static int migor_ts_probe(struct i2c_client *client,
goto err2;
}
+ device_init_wakeup(&client->dev, 1);
return 0;
err2:
@@ -224,6 +225,26 @@ static int migor_ts_remove(struct i2c_client *client)
return 0;
}
+static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
+
+ if (device_may_wakeup(&client->dev))
+ enable_irq_wake(priv->irq);
+
+ return 0;
+}
+
+static int migor_ts_resume(struct i2c_client *client)
+{
+ struct migor_ts_priv *priv = dev_get_drvdata(&client->dev);
+
+ if (device_may_wakeup(&client->dev))
+ disable_irq_wake(priv->irq);
+
+ return 0;
+}
+
static const struct i2c_device_id migor_ts_id[] = {
{ "migor_ts", 0 },
{ }
@@ -236,6 +257,8 @@ static struct i2c_driver migor_ts_driver = {
},
.probe = migor_ts_probe,
.remove = migor_ts_remove,
+ .suspend = migor_ts_suspend,
+ .resume = migor_ts_resume,
.id_table = migor_ts_id,
};
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 4898f7fe851..9b1ff12bf94 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -795,10 +795,46 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev)
return 0;
}
+
+static void sh_rtc_set_irq_wake(struct device *dev, int enabled)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct sh_rtc *rtc = platform_get_drvdata(pdev);
+
+ set_irq_wake(rtc->periodic_irq, enabled);
+ if (rtc->carry_irq > 0) {
+ set_irq_wake(rtc->carry_irq, enabled);
+ set_irq_wake(rtc->alarm_irq, enabled);
+ }
+
+}
+
+static int sh_rtc_suspend(struct device *dev)
+{
+ if (device_may_wakeup(dev))
+ sh_rtc_set_irq_wake(dev, 1);
+
+ return 0;
+}
+
+static int sh_rtc_resume(struct device *dev)
+{
+ if (device_may_wakeup(dev))
+ sh_rtc_set_irq_wake(dev, 0);
+
+ return 0;
+}
+
+static struct dev_pm_ops sh_rtc_dev_pm_ops = {
+ .suspend = sh_rtc_suspend,
+ .resume = sh_rtc_resume,
+};
+
static struct platform_driver sh_rtc_platform_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
+ .pm = &sh_rtc_dev_pm_ops,
},
.probe = sh_rtc_probe,
.remove = __devexit_p(sh_rtc_remove),
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 2269fbcaa18..7fb9b5c4669 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -22,6 +22,8 @@
#include <linux/interrupt.h>
#include <linux/bootmem.h>
#include <linux/sh_intc.h>
+#include <linux/sysdev.h>
+#include <linux/list.h>
#define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
@@ -40,6 +42,8 @@ struct intc_handle_int {
};
struct intc_desc_int {
+ struct list_head list;
+ struct sys_device sysdev;
unsigned long *reg;
#ifdef CONFIG_SMP
unsigned long *smp;
@@ -52,6 +56,8 @@ struct intc_desc_int {
struct irq_chip chip;
};
+static LIST_HEAD(intc_list);
+
#ifdef CONFIG_SMP
#define IS_SMP(x) x.smp
#define INTC_REG(d, x, c) (d->reg[(x)] + ((d->smp[(x)] & 0xff) * c))
@@ -232,6 +238,11 @@ static void intc_disable(unsigned int irq)
}
}
+static int intc_set_wake(unsigned int irq, unsigned int on)
+{
+ return 0; /* allow wakeup, but setup hardware in intc_suspend() */
+}
+
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
static void intc_mask_ack(unsigned int irq)
{
@@ -664,6 +675,9 @@ void __init register_intc_controller(struct intc_desc *desc)
d = alloc_bootmem(sizeof(*d));
+ INIT_LIST_HEAD(&d->list);
+ list_add(&d->list, &intc_list);
+
d->nr_reg = desc->mask_regs ? desc->nr_mask_regs * 2 : 0;
d->nr_reg += desc->prio_regs ? desc->nr_prio_regs * 2 : 0;
d->nr_reg += desc->sense_regs ? desc->nr_sense_regs : 0;
@@ -707,7 +721,11 @@ void __init register_intc_controller(struct intc_desc *desc)
d->chip.mask = intc_disable;
d->chip.unmask = intc_enable;
d->chip.mask_ack = intc_disable;
+ d->chip.enable = intc_enable;
+ d->chip.disable = intc_disable;
+ d->chip.shutdown = intc_disable;
d->chip.set_type = intc_set_sense;
+ d->chip.set_wake = intc_set_wake;
#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
if (desc->ack_regs) {
@@ -758,3 +776,53 @@ void __init register_intc_controller(struct intc_desc *desc)
intc_register_irq(desc, d, vect->enum_id, evt2irq(vect->vect));
}
}
+
+static int intc_suspend(struct sys_device *dev, pm_message_t state)
+{
+ struct intc_desc_int *d;
+ struct irq_desc *desc;
+ int irq;
+
+ /* get intc controller associated with this sysdev */
+ d = container_of(dev, struct intc_desc_int, sysdev);
+
+ /* enable wakeup irqs belonging to this intc controller */
+ for_each_irq_desc(irq, desc) {
+ if ((desc->status & IRQ_WAKEUP) && (desc->chip == &d->chip))
+ intc_enable(irq);
+ }
+
+ return 0;
+}
+
+static struct sysdev_class intc_sysdev_class = {
+ .name = "intc",
+ .suspend = intc_suspend,
+};
+
+/* register this intc as sysdev to allow suspend/resume */
+static int __init register_intc_sysdevs(void)
+{
+ struct intc_desc_int *d;
+ int error;
+ int id = 0;
+
+ error = sysdev_class_register(&intc_sysdev_class);
+ if (!error) {
+ list_for_each_entry(d, &intc_list, list) {
+ d->sysdev.id = id;
+ d->sysdev.cls = &intc_sysdev_class;
+ error = sysdev_register(&d->sysdev);
+ if (error)
+ break;
+ id++;
+ }
+ }
+
+ if (error)
+ pr_warning("intc: sysdev registration error\n");
+
+ return error;
+}
+
+device_initcall(register_intc_sysdevs);