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From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: "balbi@kernel.org" <balbi@kernel.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-renesas-soc@vger.kernel.org"
	<linux-renesas-soc@vger.kernel.org>,
	"stable@vger.kernel.org" <stable@vger.kernel.org>
Subject: RE: [PATCH] usb: renesas_usbhs: fix usbhsf_fifo_clear() behavior
Date: Wed, 27 Sep 2017 08:40:12 +0000	[thread overview]
Message-ID: <TY1PR06MB09922530F46716588B066A2DD8780@TY1PR06MB0992.apcprd06.prod.outlook.com> (raw)
In-Reply-To: <20170927083648.GA20317@kroah.com>

Hi Greg,

> -----Original Message-----
> From: Greg KH
> Sent: Wednesday, September 27, 2017 5:37 PM
> 
> On Wed, Sep 27, 2017 at 05:04:05PM +0900, Yoshihiro Shimoda wrote:
> > This patch fixes two issues:
> >  - the usbhsf_fifo_clear() is possible to cause 10 msec delay if
> >    the pipe is RX direction and empty because the FRDY bit will never
> >    be set to 1 in such case.
> >  - sets the BCLR of {C,Dn}FIFOCTR to 1 even when it's non-DCP pipe and
> >    the FRDY bit sets to 0.
> 
> Should this be two different patches because of this?

I got it. I will make two patches from this patch.

Best regards,
Yoshihiro Shimoda

> thanks,
> 
> greg k-h
> --
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      reply	other threads:[~2017-09-27  8:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-27  8:04 [PATCH] usb: renesas_usbhs: fix usbhsf_fifo_clear() behavior Yoshihiro Shimoda
2017-09-27  8:36 ` Greg KH
2017-09-27  8:40   ` Yoshihiro Shimoda [this message]

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