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

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On Mon Dec 04 17, Mathias Nyman wrote:
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@xxxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---
drivers/usb/core/driver.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 64262a9a..5d34080 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -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);
	}
}
--
2.7.4


Thanks for sending this. It looks like my filters sent the ensuing
conversation off into never-never land or I wasn't cc'd and just
missed it in the mailing lists.
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