Fixes following error caused during unloading driver.
[ 1127.542888] usb 5-1: USB disconnect, device number 2
[ 1127.542909] ozwpan ozwpan: remove, state 1
[ 1127.542933] usb usb5: USB disconnect, device number 1
[ 1127.618634] hub 5-0:1.0: hub_port_status failed (err = -19)
[ 1127.618647] hub_port_connect_change: 45 callbacks suppressed
[ 1127.618657] hub 5-0:1.0: connect-debounce failed, port 1 disabled
[ 1127.618668] hub 5-0:1.0: cannot disable port 1 (err = -19)
Signed-off-by: Rupesh Gujare <rupesh.gujare@xxxxxxxxx>
---
drivers/staging/ozwpan/ozhcd.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c
index 39f5066..d9c43c3 100644
--- a/drivers/staging/ozwpan/ozhcd.c
+++ b/drivers/staging/ozwpan/ozhcd.c
@@ -57,6 +57,10 @@
*/
#define EP0_TIMEOUT_COUNTER 13
+/* Debounce time HCD driver should wait before unregistering.
+ */
+#define OZ_HUB_DEBOUNCE_TIMEOUT 1500
+
/*
* Used to link urbs together and also store some status information for each
* urb.
@@ -2355,6 +2359,7 @@ error:
*/
void oz_hcd_term(void)
{
+ msleep(OZ_HUB_DEBOUNCE_TIMEOUT);
tasklet_kill(&g_urb_process_tasklet);
tasklet_kill(&g_urb_cancel_tasklet);
platform_device_unregister(g_plat_dev);
--
1.7.9.5
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