lkml.org 
[lkml]   [2015]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC 13/19] dwc3: gadget: register gadget in OTG core
Date
Gadget driver needs to be registered in OTG to perform dynamic
role switching.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
---
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


\
 
 \ /
  Last update: 2015-03-18 15:21    [W:0.119 / U:0.388 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site