diff options
| author | Li Jun <b47624@freescale.com> | 2014-04-23 15:56:50 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-04-24 12:56:35 -0700 |
| commit | 4dcf720c5d40b27c916e7115ad75b335c9c1e264 (patch) | |
| tree | dd40e11f5e40ee2dbe96b8a9ac2b12538692dd33 /drivers/usb/chipidea/udc.c | |
| parent | e287b67b00c8d5306e0fe6be1d597e23d8c4783e (diff) | |
usb: chipidea: OTG HNP and SRP fsm implementation
USB OTG interrupt handling and fsm transitions according to USB OTG
and EH 2.0.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/udc.c')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index cba7fd63d6e..150592f10b3 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -28,6 +28,7 @@ #include "bits.h" #include "debug.h" #include "otg.h" +#include "otg_fsm.h" /* control endpoint description */ static const struct usb_endpoint_descriptor @@ -1644,6 +1645,13 @@ static int ci_udc_start(struct usb_gadget *gadget, return retval; ci->driver = driver; + + /* Start otg fsm for B-device */ + if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { + ci_hdrc_otg_fsm_start(ci); + return retval; + } + pm_runtime_get_sync(&ci->gadget.dev); if (ci->vbus_active) { spin_lock_irqsave(&ci->lock, flags); |