On Wed, Mar 11, 2015 at 02:37:45PM +0800, Peter Chen wrote:
> We should signal connect (pull up dp) after we have already
> at peripheral mode, otherwise, the dp may be toggled due to
> we reset controller or do disconnect during the initialization
> for peripheral, then, the host may be confused during the
> enumeration, eg, it finds the reset can't succeed, but the
> device is still there, see below error message.
>
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 1 port detected
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: cannot reset port 1 (err = -32)
> hub 1-0:1.0: Cannot enable port 1. Maybe the USB cable is bad?
> hub 1-0:1.0: unable to enumerate USB device on port 1
>
> Cc: stable@xxxxxxxxxxxxxxx
which commit are you fixing ? You need something like:
Fixes: 123456789012 ("commit short description")
Cc: <stable@xxxxxxxxxxxxxxx> # vX.Y+
--
balbi
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