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From: Jason Wessel <jason.wessel@windriver.com>
To: Colin Ian King <colin.king@canonical.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<linux-usb@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] USB: echi-dbgp: increase the controller wait time to come out of halt.
Date: Tue, 31 Jul 2012 08:09:37 -0500	[thread overview]
Message-ID: <5017D911.3010101@windriver.com> (raw)
In-Reply-To: <1343660802-10391-1-git-send-email-colin.king@canonical.com>

On 07/30/2012 10:06 AM, Colin Ian King wrote:
> The default 10 microsecond delay for the controller to come out of
> halt in dbgp_ehci_startup is too short, so increase it to 1 millisecond.
>
> This is based on emperical testing on various USB debug ports on
> modern machines such as a Lenovo X220i and an Ivybridge development
> platform that needed to wait ~450-950 microseconds.

This seems fine to me.

I'll test it, merge it, and add a CC for -stable.

Thanks,
Jason.

      reply	other threads:[~2012-07-31 13:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-30 15:06 [PATCH] USB: echi-dbgp: increase the controller wait time to come out of halt Colin Ian King
2012-07-31 13:09 ` Jason Wessel [this message]

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