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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-06-17 17:01:11 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-06-17 17:01:11 +0200
commitc1d5fe2d54551b95b812143d94d8168da2220dd8 (patch)
treefdde4472ab2b19fcadaae22d68a0c9b008f74373 /drivers/usb/chipidea/udc.c
parent0068a1b36d309f22698f7de7478b72e672360129 (diff)
parent1bd30958ec55d80ca72d2ca4e7e5c3d9fbf3173e (diff)
Merge tag 'v4.4.73' into toradex_vf_4.4-nextColibri-VF_LXDE-Image_2.7b3-20170630
This is the 4.4.73 stable release
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
-rw-r--r--drivers/usb/chipidea/udc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index d8a045fc1fdb..aff086ca97e4 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1982,6 +1982,7 @@ static void udc_id_switch_for_host(struct ci_hdrc *ci)
int ci_hdrc_gadget_init(struct ci_hdrc *ci)
{
struct ci_role_driver *rdrv;
+ int ret;
if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC))
return -ENXIO;
@@ -1994,7 +1995,10 @@ int ci_hdrc_gadget_init(struct ci_hdrc *ci)
rdrv->stop = udc_id_switch_for_host;
rdrv->irq = udc_irq;
rdrv->name = "gadget";
- ci->roles[CI_ROLE_GADGET] = rdrv;
- return udc_start(ci);
+ ret = udc_start(ci);
+ if (!ret)
+ ci->roles[CI_ROLE_GADGET] = rdrv;
+
+ return ret;
}