USB gadgets composed with configfs lack suspend and resume
methods. This patch uses composite_suspend()/composite_resume()
the same way e.g. composite_setup() or composite_disconnect()
are used in a configfs-based gadget.
Signed-off-by: Andrzej Pietrasiewicz <andrze...@samsung.com>
---
Since Felipe closed his tree for 3.18 this is meant for 3.19.
drivers/usb/gadget/composite.c | 6 ++----
drivers/usb/gadget/configfs.c | 3 +++
include/linux/usb/composite.h | 2 ++
3 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index e071d58..6178353 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2064,8 +2064,7 @@ fail:
/*-------------------------------------------------------------------------*/
-static void
-composite_suspend(struct usb_gadget *gadget)
+void composite_suspend(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
struct usb_function *f;
@@ -2088,8 +2087,7 @@ composite_suspend(struct usb_gadget *gadget)
usb_gadget_vbus_draw(gadget, 2);
}
-static void
-composite_resume(struct usb_gadget *gadget)
+void composite_resume(struct usb_gadget *gadget)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
struct usb_function *f;
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 3403433..d25f9f3 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1453,6 +1453,9 @@ static const struct usb_gadget_driver
configfs_driver_template = {
.reset = composite_disconnect,
.disconnect = composite_disconnect,
+ .suspend = composite_suspend,
+ .resume = composite_resume,
+
.max_speed = USB_SPEED_SUPER,
.driver = {
.owner = THIS_MODULE,
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index ed3811c..3d87def 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -506,6 +506,8 @@ extern int usb_string_ids_n(struct usb_composite_dev *c,
unsigned n);
extern void composite_disconnect(struct usb_gadget *gadget);
extern int composite_setup(struct usb_gadget *gadget,
const struct usb_ctrlrequest *ctrl);
+extern void composite_suspend(struct usb_gadget *gadget);
+extern void composite_resume(struct usb_gadget *gadget);
/*
* Some systems will need runtime overrides for the product identifiers
--
1.9.1
--
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