diff options
Diffstat (limited to 'drivers/usb/chipidea/host.c')
| -rw-r--r-- | drivers/usb/chipidea/host.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 6f96795dd20..526cd77563d 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -88,7 +88,8 @@ static int host_start(struct ci_hdrc *ci) return ret; disable_reg: - regulator_disable(ci->platdata->reg_vbus); + if (ci->platdata->reg_vbus) + regulator_disable(ci->platdata->reg_vbus); put_hcd: usb_put_hcd(hcd); @@ -100,16 +101,18 @@ static void host_stop(struct ci_hdrc *ci) { struct usb_hcd *hcd = ci->hcd; - usb_remove_hcd(hcd); - usb_put_hcd(hcd); - if (ci->platdata->reg_vbus) - regulator_disable(ci->platdata->reg_vbus); + if (hcd) { + usb_remove_hcd(hcd); + usb_put_hcd(hcd); + if (ci->platdata->reg_vbus) + regulator_disable(ci->platdata->reg_vbus); + } } void ci_hdrc_host_destroy(struct ci_hdrc *ci) { - if (ci->role == CI_ROLE_HOST) + if (ci->role == CI_ROLE_HOST && ci->hcd) host_stop(ci); } |