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Commit 2dfb46be authored by Li Jun's avatar Li Jun Committed by Felipe Balbi
Browse files

usb: chipidea: otg: set host_request_flag for gadget 



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: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Signed-off-by: default avatarFelipe Balbi <balbi@kernel.org>
parent c5348b62

drivers/usb/chipidea/otg_fsm.c

+12 −1
Original line number Diff line number Diff line
@@ -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);