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authorBastien Nocera <hadess@hadess.net>2019-10-16 11:39:28 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-12 11:01:54 -0800
commitef0f7d1877ac21fd926f2349e6a025c201651cf7 (patch)
tree8e250aedf77c1d363be0c25571352be4801f470c /drivers/usb/core
parent6a9746fb0b1bf79777b709dd9f045ded89c6b373 (diff)
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USB: Export generic USB device driver functions
This will make it possible to implement device drivers which extend the generic driver without needing to reimplement it. Signed-off-by: Bastien Nocera <hadess@hadess.net> Acked-by: Alan Stern <stern@rowland.harvard.edu> Link: https://lore.kernel.org/r/20191016093933.693-2-hadess@hadess.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/generic.c16
-rw-r--r--drivers/usb/core/usb.h6
2 files changed, 14 insertions, 8 deletions
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
index 38f8b3e31762..28ece4d77749 100644
--- a/drivers/usb/core/generic.c
+++ b/drivers/usb/core/generic.c
@@ -195,7 +195,7 @@ int usb_choose_configuration(struct usb_device *udev)
}
EXPORT_SYMBOL_GPL(usb_choose_configuration);
-static int generic_probe(struct usb_device *udev)
+int usb_generic_driver_probe(struct usb_device *udev)
{
int err, c;
@@ -222,7 +222,7 @@ static int generic_probe(struct usb_device *udev)
return 0;
}
-static void generic_disconnect(struct usb_device *udev)
+void usb_generic_driver_disconnect(struct usb_device *udev)
{
usb_notify_remove_device(udev);
@@ -234,7 +234,7 @@ static void generic_disconnect(struct usb_device *udev)
#ifdef CONFIG_PM
-static int generic_suspend(struct usb_device *udev, pm_message_t msg)
+int usb_generic_driver_suspend(struct usb_device *udev, pm_message_t msg)
{
int rc;
@@ -262,7 +262,7 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg)
return rc;
}
-static int generic_resume(struct usb_device *udev, pm_message_t msg)
+int usb_generic_driver_resume(struct usb_device *udev, pm_message_t msg)
{
int rc;
@@ -285,11 +285,11 @@ static int generic_resume(struct usb_device *udev, pm_message_t msg)
struct usb_device_driver usb_generic_driver = {
.name = "usb",
- .probe = generic_probe,
- .disconnect = generic_disconnect,
+ .probe = usb_generic_driver_probe,
+ .disconnect = usb_generic_driver_disconnect,
#ifdef CONFIG_PM
- .suspend = generic_suspend,
- .resume = generic_resume,
+ .suspend = usb_generic_driver_suspend,
+ .resume = usb_generic_driver_resume,
#endif
.supports_autosuspend = 1,
};
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index cf4783cf661a..bbe24817315e 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -47,6 +47,12 @@ extern void usb_release_bos_descriptor(struct usb_device *dev);
extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
extern int usb_choose_configuration(struct usb_device *udev);
+extern int usb_generic_driver_probe(struct usb_device *udev);
+extern void usb_generic_driver_disconnect(struct usb_device *udev);
+extern int usb_generic_driver_suspend(struct usb_device *udev,
+ pm_message_t msg);
+extern int usb_generic_driver_resume(struct usb_device *udev,
+ pm_message_t msg);
static inline unsigned usb_get_max_power(struct usb_device *udev,
struct usb_host_config *c)