add the possibility to set the bcdDevice number board specific.
Therefore the weak function g_dnl_get_board_bcd_device_number()
is introduced. Used on the siemens boards.
Signed-off-by: Heiko Schocher <h...@denx.de>
Acked-by: Lukasz Majewski <l.majew...@samsung.com>
Cc: Marek Vasut <marek.va...@gmail.com>
Cc: Kyungmin Park <kyungmin.p...@samsung.com>
---
- changes for v2:
add Acked-by from Lukasz Majewski
---
drivers/usb/gadget/g_dnl.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index 7a3d507..48cc6a3 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -136,6 +136,23 @@ int g_dnl_bind_fixup(struct usb_device_descriptor *dev)
return 0;
}
+__weak int g_dnl_get_board_bcd_device_number(int gcnum)
+{
+ return gcnum;
+}
+
+static int g_dnl_get_bcd_device_number(struct usb_composite_dev *cdev)
+{
+ struct usb_gadget *gadget = cdev->gadget;
+ int gcnum;
+
+ gcnum = usb_gadget_controller_number(gadget);
+ if (gcnum > 0)
+ gcnum += 0x200;
+
+ return g_dnl_get_board_bcd_device_number(gcnum);
+}
+
static int g_dnl_bind(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
@@ -170,11 +187,9 @@ static int g_dnl_bind(struct usb_composite_dev *cdev)
if (ret)
goto error;
- gcnum = usb_gadget_controller_number(gadget);
-
- debug("gcnum: %d\n", gcnum);
+ gcnum = g_dnl_get_bcd_device_number(cdev);
if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
+ device_desc.bcdDevice = cpu_to_le16(gcnum);
else {
debug("%s: controller '%s' not recognized\n",
shortname, gadget->name);
--
1.8.3.1
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