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path: root/drivers/usb/gadget/serial.c
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Diffstat (limited to 'drivers/usb/gadget/serial.c')
-rw-r--r--drivers/usb/gadget/serial.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index b3699afff00..37879af1c43 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -30,6 +30,25 @@
/*-------------------------------------------------------------------------*/
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module. So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "f_acm.c"
+#include "f_obex.c"
+#include "f_serial.c"
+#include "u_serial.c"
+
+/*-------------------------------------------------------------------------*/
+
/* Thanks to NetChip Technologies for donating this product ID.
*
* DO NOT REUSE THESE IDs with a protocol-incompatible driver!! Ever!!
@@ -38,6 +57,7 @@
#define GS_VENDOR_ID 0x0525 /* NetChip */
#define GS_PRODUCT_ID 0xa4a6 /* Linux-USB Serial Gadget */
#define GS_CDC_PRODUCT_ID 0xa4a7 /* ... as CDC-ACM */
+#define GS_CDC_OBEX_PRODUCT_ID 0xa4a9 /* ... as CDC-OBEX */
/* string IDs are assigned dynamically */
@@ -107,6 +127,10 @@ static int use_acm = true;
module_param(use_acm, bool, 0);
MODULE_PARM_DESC(use_acm, "Use CDC ACM, default=yes");
+static int use_obex = false;
+module_param(use_obex, bool, 0);
+MODULE_PARM_DESC(use_obex, "Use CDC OBEX, default=no");
+
static unsigned n_ports = 1;
module_param(n_ports, uint, 0);
MODULE_PARM_DESC(n_ports, "number of ports to create, default=1");
@@ -121,6 +145,8 @@ static int __init serial_bind_config(struct usb_configuration *c)
for (i = 0; i < n_ports && status == 0; i++) {
if (use_acm)
status = acm_bind_config(c, i);
+ else if (use_obex)
+ status = obex_bind_config(c, i);
else
status = gser_bind_config(c, i);
}
@@ -133,7 +159,6 @@ static struct usb_configuration serial_config_driver = {
/* .bConfigurationValue = f(use_acm) */
/* .iConfiguration = DYNAMIC */
.bmAttributes = USB_CONFIG_ATT_SELFPOWER,
- .bMaxPower = 1, /* 2 mA, minimal */
};
static int __init gs_bind(struct usb_composite_dev *cdev)
@@ -231,6 +256,12 @@ static int __init init(void)
device_desc.bDeviceClass = USB_CLASS_COMM;
device_desc.idProduct =
__constant_cpu_to_le16(GS_CDC_PRODUCT_ID);
+ } else if (use_obex) {
+ serial_config_driver.label = "CDC OBEX config";
+ serial_config_driver.bConfigurationValue = 3;
+ device_desc.bDeviceClass = USB_CLASS_COMM;
+ device_desc.idProduct =
+ __constant_cpu_to_le16(GS_CDC_OBEX_PRODUCT_ID);
} else {
serial_config_driver.label = "Generic Serial config";
serial_config_driver.bConfigurationValue = 1;