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usb: gadget: configfs: add suspend/resume

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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 <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2014-10-08 12:03:36 +02:00 committed by Felipe Balbi
parent 60b388befb
commit 3a57187085
3 changed files with 7 additions and 4 deletions
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6
drivers/usb/gadget/composite.c
View File

@ -2064,8 +2064,7 @@ static int composite_bind(struct usb_gadget *gadget,
/*-------------------------------------------------------------------------*/
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;

3
drivers/usb/gadget/configfs.c
View File

@ -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,

2
include/linux/usb/composite.h
View File

@ -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