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-rw-r--r--drivers/base/platform.c3
-rw-r--r--include/linux/device.h9
-rw-r--r--include/linux/platform_device.h1
3 files changed, 11 insertions, 2 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index ec993aa6a2c..c5ac81d2230 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -217,6 +217,7 @@ int platform_device_add_data(struct platform_device *pdev, const void *data,
if (d) {
memcpy(d, data, size);
pdev->dev.platform_data = d;
+ pdev->platform_data = d;
}
return d ? 0 : -ENOMEM;
}
@@ -246,6 +247,8 @@ int platform_device_add(struct platform_device *pdev)
else
dev_set_name(&pdev->dev, pdev->name);
+ pdev->platform_data = pdev->dev.platform_data;
+
for (i = 0; i < pdev->num_resources; i++) {
struct resource *p, *r = &pdev->resource[i];
diff --git a/include/linux/device.h b/include/linux/device.h
index 5a64775e68e..4bea53fe8f4 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -385,8 +385,13 @@ struct device {
struct device_driver *driver; /* which driver has allocated this
device */
void *driver_data; /* data private to the driver */
- void *platform_data; /* Platform specific data, device
- core doesn't touch it */
+
+ void *platform_data; /* We will remove platform_data
+ field if all platform devices
+ pass its platform specific data
+ from platform_device->platform_data,
+ other kind of devices should not
+ use platform_data. */
struct dev_pm_info power;
#ifdef CONFIG_NUMA
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 76aef7be32a..76e470a299b 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -20,6 +20,7 @@ struct platform_device {
struct device dev;
u32 num_resources;
struct resource * resource;
+ void *platform_data;
struct platform_device_id *id_entry;
};