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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 21:14:35 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-06-19 21:14:35 +0300
commit8052bd8243e823a0954bcbafda8f91072598f13d (patch)
treee5f1502735c2a75fbe865cf57582d2e8354e6f43 /drivers/usb/chipidea/udc.c
parentd0fabd1cb8b70073a0f44f1cf8b663b5e7241c74 (diff)
parent531c221df182af5a7fc2bf7ba7eee89354fe9a10 (diff)
downloadlinux-8052bd8243e823a0954bcbafda8f91072598f13d.tar.xz
Merge remote-tracking branch 'tip/perf/urgent' into perf/core
Merge branch 'perf/urgent' into perf/core, to pick up fixes Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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 56d2d3213076..d68b125796f9 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1993,6 +1993,7 @@ 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;
@@ -2005,7 +2006,10 @@ 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;
}