ChangeSet 1.1757.66.38, 2004/07/14 15:08:21-07:00, [EMAIL PROTECTED]
[PATCH] USB: usb hub, don't check speed before reset
Signaling (even D- vs D+ pullup) may not be stable
for a while.
At least one OTG root hub won't reliably (<10%) report device speed until
after reset (and the OTG state transitions have quiesced for a while).
This patch makes that not matter.
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
drivers/usb/core/hub.c | 7 +------
1 files changed, 1 insertion(+), 6 deletions(-)
diff -Nru a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
--- a/drivers/usb/core/hub.c 2004-07-14 16:42:59 -07:00
+++ b/drivers/usb/core/hub.c 2004-07-14 16:42:59 -07:00
@@ -1635,12 +1635,7 @@
}
usb_set_device_state(udev, USB_STATE_POWERED);
-
- /* hub can tell if it's lowspeed already: D- pullup (not D+) */
- if (portstatus & USB_PORT_STAT_LOW_SPEED)
- udev->speed = USB_SPEED_LOW;
- else
- udev->speed = USB_SPEED_UNKNOWN;
+ udev->speed = USB_SPEED_UNKNOWN;
/* set the address */
choose_address(udev);
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