From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] usb: musb-new: omap2430: Reset the MUSB controller early
Date: Thu, 22 Jan 2015 08:19:36 +0100 [thread overview]
Message-ID: <201501220819.36385.marex@denx.de> (raw)
In-Reply-To: <20150120152310.GK10826@bill-the-cat>
On Tuesday, January 20, 2015 at 04:23:10 PM, Tom Rini wrote:
> On Mon, Jan 19, 2015 at 06:33:43PM +0100, Paul Kocialkowski wrote:
> > When booting from USB peripheral boot, the bootrom will not properly
> > deinit the MUSB controller, which doesn't clearly indicate an USB
> > disconnection to the host and leaves U-Boot to deal with the state of
> > the previous USB session.
> >
> > On some host controller drivers (e.g. xhci_hcd), this ends up in a
> > failure during set address, caused by the lack of proper disconnection
> > notification.
> >
> > Resetting the controller early in U-Boot notifies the host of the
> > disconnection and doesn't hurt other use cases.
> >
> > Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
>
> Reviewed-by: Tom Rini <trini@ti.com>
Applied, thanks!
Best regards,
Marek Vasut
prev parent reply other threads:[~2015-01-22 7:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-18 16:44 [U-Boot] [PATCH] usb: musb-new: omap2430: Reset the MUSB controller early Paul Kocialkowski
2015-01-18 22:51 ` Marek Vasut
2015-01-19 13:29 ` Paul Kocialkowski
2015-01-19 15:12 ` Marek Vasut
2015-01-19 17:33 ` [U-Boot] [PATCH v2] " Paul Kocialkowski
2015-01-20 15:23 ` Tom Rini
2015-01-22 7:19 ` Marek Vasut [this message]
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