[PATCH 3/3] usb: chipidea: set host request flag via sys input

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From: Li Jun <b47624@xxxxxxxxxxxxx>

This patch sets host request flag in sys input when a A device
set a_bus_req or a B device set b_bus_req in peripheral role.

Signed-off-by: Li Jun <b47624@xxxxxxxxxxxxx>
---
 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 923b789..41faffa 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -82,6 +82,11 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr,
 			return count;
 		}
 		ci->fsm.a_bus_req = 1;
+		if (ci->transceiver->state == OTG_STATE_A_PERIPHERAL) {
+			ci->gadget.host_request_flag = 1;
+			mutex_unlock(&ci->fsm.lock);
+			return count;
+		}
 	}
 
 	disable_irq_nosync(ci->irq);
@@ -162,8 +167,14 @@ 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->transceiver->state == OTG_STATE_B_PERIPHERAL) {
+			ci->gadget.host_request_flag = 1;
+			mutex_unlock(&ci->fsm.lock);
+			return count;
+		}
+	}
 
 	disable_irq_nosync(ci->irq);
 	queue_work(ci->wq, &ci->work);
-- 
1.7.9.5

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