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 <[email protected]> --- drivers/usb/chipidea/otg_fsm.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c index be319f3..613eb86 100644 --- a/drivers/usb/chipidea/otg_fsm.c +++ b/drivers/usb/chipidea/otg_fsm.c @@ -79,6 +79,10 @@ set_a_bus_req(struct device *dev, struct device_attribute *attr, if (ci->fsm->a_bus_drop) goto end; ci->fsm->a_bus_req = 1; + if (ci->transceiver->state == OTG_STATE_A_PERIPHERAL) { + ci->gadget.host_request_flag = 1; + goto end; + } } disable_irq_nosync(ci->irq); @@ -171,12 +175,18 @@ set_b_bus_req(struct device *dev, struct device_attribute *attr, if (ci->transceiver && ci->transceiver->otg && ci->fsm) { 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; + goto end; + } + } disable_irq_nosync(ci->irq); queue_work(ci->wq, &ci->work); } +end: mutex_unlock(&ci->fsm->lock); return count; -- 1.7.8 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
