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usb: Don't print a warning if interface driver rebind is deferred at resume 

Interface drivers like btusb that don't support reset-resume will be
rebound at resume if port was reset. Rebind is done during the pm_ops
.complete callback when probe returns EPROBE_DEFER as default.

Remove the "rebind failed: -517" message.
Device probe will eventually take place later.

[one-liner by Jerry Snitselaar posted in a mailing list question -Mathias]
Suggested-by: Jerry Snitselaar <jsnitsel@redhat.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Mathias Nyman 2017-12-04 14:05:45 +02:00 committed by Greg Kroah-Hartman
parent 77be4c878c
commit c0f3ed87fd
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/core/driver.c
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@ -1070,7 +1070,7 @@ static void usb_rebind_intf(struct usb_interface *intf)
if (!intf->dev.power.is_prepared) {
intf->needs_binding = 0;
rc = device_attach(&intf->dev);
if (rc < 0)
if (rc < 0 && rc != -EPROBE_DEFER)
dev_warn(&intf->dev, "rebind failed: %d\n", rc);
}
}