Gadget driver needs to be registered in OTG to perform dynamic
role switching.
Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
---
drivers/usb/dwc3/gadget.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index b0c1ab5..c5a7cf1 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -32,6 +32,7 @@
#include "debug.h"
#include "core.h"
+#include "otg.h"
#include "gadget.h"
#include "io.h"
@@ -2783,8 +2784,18 @@ int dwc3_gadget_init(struct dwc3 *dwc)
goto err4;
}
+ if (dwc->dotg) {
+ ret = otg_set_peripheral(&dwc->dotg->otg, &dwc->gadget);
+ if (ret) {
+ dev_err(dwc->dev, "failed to set otg peripheral\n");
+ goto err5;
+ }
+ }
+
return 0;
+err5:
+ usb_del_gadget_udc(&dwc->gadget);
err4:
dwc3_gadget_free_endpoints(dwc);
dma_free_coherent(dwc->dev, DWC3_EP0_BOUNCE_SIZE,
@@ -2809,6 +2820,9 @@ err0:
void dwc3_gadget_exit(struct dwc3 *dwc)
{
+ if (dwc->dotg)
+ otg_set_peripheral(&dwc->dotg->otg, NULL);
+
usb_del_gadget_udc(&dwc->gadget);
dwc3_gadget_free_endpoints(dwc);
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
