add supports OTG 2.0 for multi.c
Signed-off-by: Macpaul Lin <macp...@gmail.com>
changes for v2:
- no change
changes for v3:
- multi.c: migrate global static const OTG descriptor with runtime retrived
capability information by calling usb_gadget_customize_otg_desc().
---
drivers/usb/gadget/legacy/multi.c | 24 ++++++++----------------
1 file changed, 8 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/gadget/legacy/multi.c
b/drivers/usb/gadget/legacy/multi.c
index 39d27bb..01bfe42 100644
--- a/drivers/usb/gadget/legacy/multi.c
+++ b/drivers/usb/gadget/legacy/multi.c
@@ -78,22 +78,6 @@ static struct usb_device_descriptor device_desc = {
.idProduct = cpu_to_le16(MULTI_PRODUCT_NUM),
};
-
-static const struct usb_descriptor_header *otg_desc[] = {
- (struct usb_descriptor_header *) &(struct usb_otg_descriptor){
- .bLength = sizeof(struct usb_otg_descriptor),
- .bDescriptorType = USB_DT_OTG,
-
- /*
- * REVISIT SRP-only hardware is possible, although
- * it would not be called "OTG" ...
- */
- .bmAttributes = USB_OTG_SRP | USB_OTG_HNP,
- },
- NULL,
-};
-
-
enum {
MULTI_STRING_RNDIS_CONFIG_IDX = USB_GADGET_FIRST_AVAIL_IDX,
MULTI_STRING_CDC_CONFIG_IDX,
@@ -152,9 +136,13 @@ static struct usb_function *f_msg_rndis;
static __init int rndis_do_config(struct usb_configuration *c)
{
struct fsg_opts *fsg_opts;
+ static const struct usb_descriptor_header *otg_desc[2];
int ret;
if (gadget_is_otg(c->cdev->gadget)) {
+ otg_desc[0] = (struct usb_descriptor_header *)
+ usb_gadget_customize_otg_desc(c->cdev->gadget);
+ otg_desc[1] = NULL;
c->descriptors = otg_desc;
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
@@ -240,9 +228,13 @@ static struct usb_function *f_msg_multi;
static __init int cdc_do_config(struct usb_configuration *c)
{
struct fsg_opts *fsg_opts;
+ static const struct usb_descriptor_header *otg_desc[2];
int ret;
if (gadget_is_otg(c->cdev->gadget)) {
+ otg_desc[0] = (struct usb_descriptor_header *)
+ usb_gadget_customize_otg_desc(c->cdev->gadget);
+ otg_desc[1] = NULL;
c->descriptors = otg_desc;
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
--
1.8.3.2
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