Set host_request_flag if the current peripheral wants to take host role via changing a_bus_req or b_bus_req by user application.
Acked-by: Peter Chen <peter.c...@freescale.com> Signed-off-by: Li Jun <jun...@nxp.com> --- drivers/usb/chipidea/otg_fsm.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index ba90dc6..cb28e76 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -66,6 +66,11 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr, return count; } ci->fsm.a_bus_req = 1; + if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) { + ci->gadget.host_request_flag = 1; + mutex_unlock(&ci->fsm.lock); + return count; + } } ci_otg_queue_work(ci); @@ -144,8 +149,14 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr, mutex_lock(&ci->fsm.lock); if (buf[0] == '0') ci->fsm.b_bus_req = 0; - else if (buf[0] == '1') + else if (buf[0] == '1') { ci->fsm.b_bus_req = 1; + if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) { + ci->gadget.host_request_flag = 1; + mutex_unlock(&ci->fsm.lock); + return count; + } + } ci_otg_queue_work(ci); mutex_unlock(&ci->fsm.lock); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html