If there is no gadget driver musb should stay in B_IDLE state.
Signed-off-by: Markus Pargmann <m...@pengutronix.de>
---
drivers/usb/musb/musb_core.c | 3 ---
drivers/usb/musb/musb_gadget.c | 14 ++++++++++++--
2 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 4db987f..8b7d903 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -831,12 +831,9 @@ b_host:
case OTG_STATE_B_WAIT_ACON:
dev_dbg(musb->controller, "HNP: RESET (%s), to
b_peripheral\n",
usb_otg_state_string(musb->xceiv->state));
- musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
musb_g_reset(musb);
break;
case OTG_STATE_B_IDLE:
- musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
- /* FALLTHROUGH */
case OTG_STATE_B_PERIPHERAL:
musb_g_reset(musb);
break;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 9a08679..c352f73 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -2110,10 +2110,20 @@ __acquires(musb->lock)
* or else after HNP, as A-Device
*/
if (devctl & MUSB_DEVCTL_BDEVICE) {
- musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
+ if (!musb->gadget_driver) {
+ musb->is_active = 0;
+ musb->xceiv->state = OTG_STATE_B_IDLE;
+ } else {
+ musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
+ }
musb->g.is_a_peripheral = 0;
} else {
- musb->xceiv->state = OTG_STATE_A_PERIPHERAL;
+ if (!musb->gadget_driver) {
+ musb->is_active = 0;
+ musb->xceiv->state = OTG_STATE_A_IDLE;
+ } else {
+ musb->xceiv->state = OTG_STATE_A_PERIPHERAL;
+ }
musb->g.is_a_peripheral = 1;
}
--
1.8.4.2
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