From: Gregory Herrero <gregory.herrero@intel.com>
Date: Thu, 5 Nov 2015 08:41:44 +0000 (+0100)
Subject: UPSTREAM: usb: dwc2: host: always increment available host channel during release
X-Git-Tag: firefly_0821_release~920
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=c5a3ecbb1f63be5b60b59a0599192b8ad6fe79a9;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: usb: dwc2: host: always increment available host channel during release

When releasing a channel, increment hsotg->available_host_channels even
in case a periodic channel is released.

Change-Id: I436f6b2db2a823e3479e7f1cd0a8c97ee498a64b
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 3f808bdae75eaf464b1b2710894950772a3784f8)
---

diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 9635d8d4bba4..edccac662d74 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -278,6 +278,7 @@ static void dwc2_release_channel_ddma(struct dwc2_hsotg *hsotg,
 			hsotg->non_periodic_channels--;
 	} else {
 		dwc2_update_frame_list(hsotg, qh, 0);
+		hsotg->available_host_channels++;
 	}
 
 	/*