From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Bin Liu <b-liu@ti.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH] usb: musb: da8xx: fix babble condition handling
Date: Mon, 18 Dec 2017 16:16:33 +0100 [thread overview]
Message-ID: <20171218151633.GA27930@kroah.com> (raw)
In-Reply-To: <1513608294-1488-1-git-send-email-b-liu@ti.com>
On Mon, Dec 18, 2017 at 08:44:54AM -0600, Bin Liu wrote:
> When babble condition happens, the musb controller might automatically
> turns off VBUS. On DA8xx platform, the controller generates drvvbus
> interrupt for turning off VBUS along with the babble interrupt.
>
> In this case, we should handle the babble interrupt first and recover
> from the babble condition.
>
> This change ignores the drvvbus interrupt if babble interrupt is also
> generated, so the babble recovery routine works properly.
>
> c: stable@vger.kernel.org # v3.16+
> Signed-off-by: Bin Liu <b-liu@ti.com>
> ---
> drivers/usb/musb/da8xx.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
Next time, please give me a hint that this was commit
bd3486ded7a0c313a6575343e6c2b21d14476645 in Linus's tree so I don't have
to dig it out :)
thanks,
greg k-h
next prev parent reply other threads:[~2017-12-18 15:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 11:41 FAILED: patch "[PATCH] usb: musb: da8xx: fix babble condition handling" failed to apply to 4.14-stable tree gregkh
2017-12-18 14:44 ` [PATCH] usb: musb: da8xx: fix babble condition handling Bin Liu
2017-12-18 15:16 ` Greg Kroah-Hartman [this message]
2017-12-18 15:26 ` Bin Liu
[not found] <1512484964-16608-1-git-send-email-b-liu@ti.com>
2017-12-05 14:45 ` Bin Liu
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