summaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget/ether.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/ether.c')
-rw-r--r--drivers/usb/gadget/ether.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index bd102f5052ba..167cb2a8ecef 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -114,6 +114,7 @@ static inline bool has_rndis(void)
#include "f_rndis.c"
#include "rndis.c"
#endif
+#include "f_eem.c"
#include "u_ether.c"
/*-------------------------------------------------------------------------*/
@@ -150,6 +151,10 @@ static inline bool has_rndis(void)
#define RNDIS_VENDOR_NUM 0x0525 /* NetChip */
#define RNDIS_PRODUCT_NUM 0xa4a2 /* Ethernet/RNDIS Gadget */
+/* For EEM gadgets */
+#define EEM_VENDOR_NUM 0x1d6b /* Linux Foundation */
+#define EEM_PRODUCT_NUM 0x0102 /* EEM Gadget */
+
/*-------------------------------------------------------------------------*/
static struct usb_device_descriptor device_desc = {
@@ -246,8 +251,16 @@ static struct usb_configuration rndis_config_driver = {
/*-------------------------------------------------------------------------*/
+#ifdef CONFIG_USB_ETH_EEM
+static int use_eem = 1;
+#else
+static int use_eem;
+#endif
+module_param(use_eem, bool, 0);
+MODULE_PARM_DESC(use_eem, "use CDC EEM mode");
+
/*
- * We _always_ have an ECM or CDC Subset configuration.
+ * We _always_ have an ECM, CDC Subset, or EEM configuration.
*/
static int __init eth_do_config(struct usb_configuration *c)
{
@@ -258,7 +271,9 @@ static int __init eth_do_config(struct usb_configuration *c)
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- if (can_support_ecm(c->cdev->gadget))
+ if (use_eem)
+ return eem_bind_config(c);
+ else if (can_support_ecm(c->cdev->gadget))
return ecm_bind_config(c, hostaddr);
else
return geth_bind_config(c, hostaddr);
@@ -286,7 +301,12 @@ static int __init eth_bind(struct usb_composite_dev *cdev)
return status;
/* set up main config label and device descriptor */
- if (can_support_ecm(cdev->gadget)) {
+ if (use_eem) {
+ /* EEM */
+ eth_config_driver.label = "CDC Ethernet (EEM)";
+ device_desc.idVendor = cpu_to_le16(EEM_VENDOR_NUM);
+ device_desc.idProduct = cpu_to_le16(EEM_PRODUCT_NUM);
+ } else if (can_support_ecm(cdev->gadget)) {
/* ECM */
eth_config_driver.label = "CDC Ethernet (ECM)";
} else {