linux-kernel - Re: [PATCH] usb: xhci: Increase timeout for HC halt

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Message-ID: <YJojglZqVE3vaUxX@kroah.com>
Date:   Tue, 11 May 2021 08:26:10 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Maximilian Luz <luzmaximilian@...il.com>
Cc:     Mathias Nyman <mathias.nyman@...el.com>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: xhci: Increase timeout for HC halt

On Tue, May 11, 2021 at 02:29:33AM +0200, Maximilian Luz wrote:
> On some devices (specifically the SC8180x based Surface Pro X with
> QCOM04A6) HC halt / xhci_halt() times out during boot. Manually binding
> the xhci-hcd driver at some point later does not exhibit this behavior.
> To work around this, double XHCI_MAX_HALT_USEC, which also resolves this
> issue.
> 
> Signed-off-by: Maximilian Luz <luzmaximilian@...il.com>
> ---
>  drivers/usb/host/xhci-ext-caps.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Should this go to stable kernels as well?

thanks,

greg k-h