usb: gadget: Introduce qdss function driver
The QDSS function driver supports high throughput debug information
delivery from the QDSS core to the host via the USB port.
Change-Id: Ia9397944d39d767c1200ad87aac67d5627233282
Signed-off-by: Shimrit Malichi <smalichi@codeaurora.org>
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index 49d7c0f..7b34e60 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -45,6 +45,7 @@
#include "composite.c"
#include "f_diag.c"
+#include "f_qdss.c"
#include "f_rmnet_smd.c"
#include "f_rmnet_sdio.c"
#include "f_rmnet_smd_sdio.c"
@@ -761,6 +762,37 @@
.attributes = diag_function_attributes,
};
+/* DEBUG */
+static int qdss_function_init(struct android_usb_function *f,
+ struct usb_composite_dev *cdev)
+{
+ return qdss_setup();
+}
+
+static void qdss_function_cleanup(struct android_usb_function *f)
+{
+ qdss_cleanup();
+}
+
+static int qdss_function_bind_config(struct android_usb_function *f,
+ struct usb_configuration *c)
+{
+ int err = -1;
+
+ err = qdss_bind_config(c, "qdss");
+ if (err)
+ pr_err("qdss: Cannot open channel qdss");
+
+ return err;
+}
+
+static struct android_usb_function qdss_function = {
+ .name = "qdss",
+ .init = qdss_function_init,
+ .cleanup = qdss_function_cleanup,
+ .bind_config = qdss_function_bind_config,
+};
+
/* SERIAL */
static char serial_transports[32]; /*enabled FSERIAL ports - "tty[,sdio]"*/
static ssize_t serial_transports_store(
@@ -1471,6 +1503,7 @@
&rmnet_smd_sdio_function,
&rmnet_function,
&diag_function,
+ &qdss_function,
&serial_function,
&adb_function,
&ccid_function,