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Commit 568c2613 authored by Vamsi Krishna's avatar Vamsi Krishna
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usb: misc: ks_bridge: Mark device busy during data xfer 



EFS sync involves downloading file system image from external soc
and writing to local file system. Avoid unnecessary suspend/resume
in middle efs sync download by marking device busy whenever there is
data exchange.

Change-Id: Ib12d86188131420d2150b65876222457bf141262
Signed-off-by: default avatarVamsi Krishna <vskrishn@codeaurora.org>
parent 93a10794

drivers/usb/misc/ks_bridge.c

+7 −0
Original line number Diff line number Diff line
@@ -537,6 +537,8 @@ static void ksb_rx_cb(struct urb *urb) 
		goto done;

	}



	usb_mark_last_busy(ksb->udev);



	if (urb->actual_length == 0) {

		submit_one_urb(ksb, GFP_ATOMIC, pkt);

		goto done;
@@ -796,6 +798,11 @@ static int ksb_usb_suspend(struct usb_interface *ifc, pm_message_t message) 


	dbg_log_event(ksb, "SUSPEND", 0, 0);



	if (pm_runtime_autosuspend_expiration(&ksb->udev->dev)) {

		dbg_log_event(ksb, "SUSP ABORT-TimeCheck", 0, 0);

		return -EBUSY;

	}



	usb_kill_anchored_urbs(&ksb->submitted);



	spin_lock_irqsave(&ksb->lock, flags);