From: Felipe Balbi <balbi@ti.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH] usb: host: xhci-plat: fix suspend/resume on xhci-rcar
Date: Tue, 14 Oct 2014 14:30:07 +0000 [thread overview]
Message-ID: <20141014143007.GA18747@saruman> (raw)
In-Reply-To: <1412829947-736-1-git-send-email-yoshihiro.shimoda.uh@renesas.com>
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On Fri, Oct 10, 2014 at 09:29:18AM +0900, Yoshihiro Shimoda wrote:
> Hi,
>
> (2014/10/09 23:14), Felipe Balbi wrote:
> > On Thu, Oct 09, 2014 at 01:45:47PM +0900, Yoshihiro Shimoda wrote:
> >> This patch fixes an issue that suspend/resume cannot work correctly
> >> on xhci-rcar because the xhci driver output the following log:
> >>
> >> xhci-hcd ee000000.usb: WARN: xHC CMD_RUN timeout
> >>
> >> So, this patch adds to set the XHCI_SLOW_SUSPEND quirk if xhci-rcar.
> >
> > do you have erratum number confirming this is needed for your platform ?
>
> At the moment, I don't have such number... I just tested it on my platform.
> And, the handshake in xhci_suspend needs about 80 ms...
> Anyway, I will ask platform team about this behavior.
alright, let's wait for your update here, then.
--
balbi
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prev parent reply other threads:[~2014-10-14 14:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-09 4:45 [PATCH] usb: host: xhci-plat: fix suspend/resume on xhci-rcar Yoshihiro Shimoda
2014-10-09 14:14 ` Felipe Balbi
2014-10-10 0:29 ` Yoshihiro Shimoda
2014-10-10 6:48 ` Geert Uytterhoeven
2014-10-14 14:30 ` Felipe Balbi [this message]
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