usb: CtsVerifier.apk usb device test failed [1/1]

PD#SWPL-13498

Problem:
The printing may delay the usb_disconnect processing, result to
USB transfer error during reconnecting.

Solution:
Moving the print in proc_setconfig of devio.c .

Verify:
test pass on sm1

Change-Id: I5c45abb2d5d640e2e02dc3e0c08b10ca7a294eeb
Signed-off-by: he.he <he.he@amlogic.com>
This commit is contained in:
he.he
2019-09-05 05:21:34 -04:00
committed by Tao Zeng
parent bf5471216b
commit 49bd3b4538

View File

@@ -1388,6 +1388,10 @@ static int proc_setconfig(struct usb_dev_state *ps, void __user *arg)
for (i = 0; i < actconfig->desc.bNumInterfaces; ++i) {
if (usb_interface_claimed(actconfig->interface[i])) {
/*This print could cause usb cts test fail,since it could
*delay the interrupt of the hub_event for usb_disconnect.
*/
#ifndef CONFIG_AMLOGIC_USB
dev_warn(&ps->dev->dev,
"usbfs: interface %d claimed by %s "
"while '%s' sets config #%d\n",
@@ -1397,6 +1401,7 @@ static int proc_setconfig(struct usb_dev_state *ps, void __user *arg)
actconfig->interface[i]
->dev.driver->name,
current->comm, u);
#endif
status = -EBUSY;
break;
}