for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
- if ((r->flags & (IORESOURCE_IO|IORESOURCE_MEM|
- IORESOURCE_IRQ|IORESOURCE_DMA)) == type)
- if (num-- == 0)
- return r;
+ if (type == resource_type(r) && num-- == 0)
+ return r;
}
return NULL;
}
for (i = 0; i < dev->num_resources; i++) {
struct resource *r = &dev->resource[i];
- if ((r->flags & (IORESOURCE_IO|IORESOURCE_MEM|
- IORESOURCE_IRQ|IORESOURCE_DMA)) == type)
- if (!strcmp(r->name, name))
- return r;
+ if (type == resource_type(r) && !strcmp(r->name, name))
+ return r;
}
return NULL;
}
p = r->parent;
if (!p) {
- if (r->flags & IORESOURCE_MEM)
+ if (resource_type(r) == IORESOURCE_MEM)
p = &iomem_resource;
- else if (r->flags & IORESOURCE_IO)
+ else if (resource_type(r) == IORESOURCE_IO)
p = &ioport_resource;
}
return ret;
failed:
- while (--i >= 0)
- if (pdev->resource[i].flags & (IORESOURCE_MEM|IORESOURCE_IO))
- release_resource(&pdev->resource[i]);
+ while (--i >= 0) {
+ struct resource *r = &pdev->resource[i];
+ unsigned long type = resource_type(r);
+
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
+ release_resource(r);
+ }
+
return ret;
}
EXPORT_SYMBOL_GPL(platform_device_add);
for (i = 0; i < pdev->num_resources; i++) {
struct resource *r = &pdev->resource[i];
- if (r->flags & (IORESOURCE_MEM|IORESOURCE_IO))
+ unsigned long type = resource_type(r);
+
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
release_resource(r);
}
}
}
EXPORT_SYMBOL_GPL(platform_device_register_simple);
+/**
+ * platform_device_register_data
+ * @parent: parent device for the device we're adding
+ * @name: base name of the device we're adding
+ * @id: instance id
+ * @data: platform specific data for this platform device
+ * @size: size of platform specific data
+ *
+ * This function creates a simple platform device that requires minimal
+ * resource and memory management. Canned release function freeing memory
+ * allocated for the device allows drivers using such devices to be
+ * unloaded without waiting for the last reference to the device to be
+ * dropped.
+ */
+struct platform_device *platform_device_register_data(
+ struct device *parent,
+ const char *name, int id,
+ const void *data, size_t size)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc(name, id);
+ if (!pdev) {
+ retval = -ENOMEM;
+ goto error;
+ }
+
+ pdev->dev.parent = parent;
+
+ if (size) {
+ retval = platform_device_add_data(pdev, data, size);
+ if (retval)
+ goto error;
+ }
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto error;
+
+ return pdev;
+
+error:
+ platform_device_put(pdev);
+ return ERR_PTR(retval);
+}
+
static int platform_drv_probe(struct device *_dev)
{
struct platform_driver *drv = to_platform_driver(_dev->driver);
drv->driver.suspend = platform_drv_suspend;
if (drv->resume)
drv->driver.resume = platform_drv_resume;
+ if (drv->pm)
+ drv->driver.pm = &drv->pm->base;
return driver_register(&drv->driver);
}
EXPORT_SYMBOL_GPL(platform_driver_register);
return (strncmp(pdev->name, drv->name, BUS_ID_SIZE) == 0);
}
-static int platform_suspend(struct device *dev, pm_message_t mesg)
+#ifdef CONFIG_PM_SLEEP
+
+static int platform_legacy_suspend(struct device *dev, pm_message_t mesg)
{
int ret = 0;
return ret;
}
-static int platform_suspend_late(struct device *dev, pm_message_t mesg)
+static int platform_legacy_suspend_late(struct device *dev, pm_message_t mesg)
{
struct platform_driver *drv = to_platform_driver(dev->driver);
struct platform_device *pdev;
return ret;
}
-static int platform_resume_early(struct device *dev)
+static int platform_legacy_resume_early(struct device *dev)
{
struct platform_driver *drv = to_platform_driver(dev->driver);
struct platform_device *pdev;
return ret;
}
-static int platform_resume(struct device *dev)
+static int platform_legacy_resume(struct device *dev)
{
int ret = 0;
return ret;
}
+static int platform_pm_prepare(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm && drv->pm->prepare)
+ ret = drv->pm->prepare(dev);
+
+ return ret;
+}
+
+static void platform_pm_complete(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+
+ if (drv && drv->pm && drv->pm->complete)
+ drv->pm->complete(dev);
+}
+
+#ifdef CONFIG_SUSPEND
+
+static int platform_pm_suspend(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm) {
+ if (drv->pm->suspend)
+ ret = drv->pm->suspend(dev);
+ } else {
+ ret = platform_legacy_suspend(dev, PMSG_SUSPEND);
+ }
+
+ return ret;
+}
+
+static int platform_pm_suspend_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->suspend_noirq)
+ ret = pdrv->pm->suspend_noirq(dev);
+ } else {
+ ret = platform_legacy_suspend_late(dev, PMSG_SUSPEND);
+ }
+
+ return ret;
+}
+
+static int platform_pm_resume(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm) {
+ if (drv->pm->resume)
+ ret = drv->pm->resume(dev);
+ } else {
+ ret = platform_legacy_resume(dev);
+ }
+
+ return ret;
+}
+
+static int platform_pm_resume_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->resume_noirq)
+ ret = pdrv->pm->resume_noirq(dev);
+ } else {
+ ret = platform_legacy_resume_early(dev);
+ }
+
+ return ret;
+}
+
+#else /* !CONFIG_SUSPEND */
+
+#define platform_pm_suspend NULL
+#define platform_pm_resume NULL
+#define platform_pm_suspend_noirq NULL
+#define platform_pm_resume_noirq NULL
+
+#endif /* !CONFIG_SUSPEND */
+
+#ifdef CONFIG_HIBERNATION
+
+static int platform_pm_freeze(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (!drv)
+ return 0;
+
+ if (drv->pm) {
+ if (drv->pm->freeze)
+ ret = drv->pm->freeze(dev);
+ } else {
+ ret = platform_legacy_suspend(dev, PMSG_FREEZE);
+ }
+
+ return ret;
+}
+
+static int platform_pm_freeze_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->freeze_noirq)
+ ret = pdrv->pm->freeze_noirq(dev);
+ } else {
+ ret = platform_legacy_suspend_late(dev, PMSG_FREEZE);
+ }
+
+ return ret;
+}
+
+static int platform_pm_thaw(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm) {
+ if (drv->pm->thaw)
+ ret = drv->pm->thaw(dev);
+ } else {
+ ret = platform_legacy_resume(dev);
+ }
+
+ return ret;
+}
+
+static int platform_pm_thaw_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->thaw_noirq)
+ ret = pdrv->pm->thaw_noirq(dev);
+ } else {
+ ret = platform_legacy_resume_early(dev);
+ }
+
+ return ret;
+}
+
+static int platform_pm_poweroff(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm) {
+ if (drv->pm->poweroff)
+ ret = drv->pm->poweroff(dev);
+ } else {
+ ret = platform_legacy_suspend(dev, PMSG_HIBERNATE);
+ }
+
+ return ret;
+}
+
+static int platform_pm_poweroff_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->poweroff_noirq)
+ ret = pdrv->pm->poweroff_noirq(dev);
+ } else {
+ ret = platform_legacy_suspend_late(dev, PMSG_HIBERNATE);
+ }
+
+ return ret;
+}
+
+static int platform_pm_restore(struct device *dev)
+{
+ struct device_driver *drv = dev->driver;
+ int ret = 0;
+
+ if (drv && drv->pm) {
+ if (drv->pm->restore)
+ ret = drv->pm->restore(dev);
+ } else {
+ ret = platform_legacy_resume(dev);
+ }
+
+ return ret;
+}
+
+static int platform_pm_restore_noirq(struct device *dev)
+{
+ struct platform_driver *pdrv;
+ int ret = 0;
+
+ if (!dev->driver)
+ return 0;
+
+ pdrv = to_platform_driver(dev->driver);
+ if (pdrv->pm) {
+ if (pdrv->pm->restore_noirq)
+ ret = pdrv->pm->restore_noirq(dev);
+ } else {
+ ret = platform_legacy_resume_early(dev);
+ }
+
+ return ret;
+}
+
+#else /* !CONFIG_HIBERNATION */
+
+#define platform_pm_freeze NULL
+#define platform_pm_thaw NULL
+#define platform_pm_poweroff NULL
+#define platform_pm_restore NULL
+#define platform_pm_freeze_noirq NULL
+#define platform_pm_thaw_noirq NULL
+#define platform_pm_poweroff_noirq NULL
+#define platform_pm_restore_noirq NULL
+
+#endif /* !CONFIG_HIBERNATION */
+
+static struct pm_ext_ops platform_pm_ops = {
+ .base = {
+ .prepare = platform_pm_prepare,
+ .complete = platform_pm_complete,
+ .suspend = platform_pm_suspend,
+ .resume = platform_pm_resume,
+ .freeze = platform_pm_freeze,
+ .thaw = platform_pm_thaw,
+ .poweroff = platform_pm_poweroff,
+ .restore = platform_pm_restore,
+ },
+ .suspend_noirq = platform_pm_suspend_noirq,
+ .resume_noirq = platform_pm_resume_noirq,
+ .freeze_noirq = platform_pm_freeze_noirq,
+ .thaw_noirq = platform_pm_thaw_noirq,
+ .poweroff_noirq = platform_pm_poweroff_noirq,
+ .restore_noirq = platform_pm_restore_noirq,
+};
+
+#define PLATFORM_PM_OPS_PTR &platform_pm_ops
+
+#else /* !CONFIG_PM_SLEEP */
+
+#define PLATFORM_PM_OPS_PTR NULL
+
+#endif /* !CONFIG_PM_SLEEP */
+
struct bus_type platform_bus_type = {
.name = "platform",
.dev_attrs = platform_dev_attrs,
.match = platform_match,
.uevent = platform_uevent,
- .suspend = platform_suspend,
- .suspend_late = platform_suspend_late,
- .resume_early = platform_resume_early,
- .resume = platform_resume,
+ .pm = PLATFORM_PM_OPS_PTR,
};
EXPORT_SYMBOL_GPL(platform_bus_type);
projects / linux-2.6-omap-h63xx.git / blobdiff