From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relmlor2.renesas.com ([210.160.252.172]:64005 "EHLO relmlie1.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752311AbdI0IkQ (ORCPT ); Wed, 27 Sep 2017 04:40:16 -0400 From: Yoshihiro Shimoda To: Greg KH CC: "balbi@kernel.org" , "linux-usb@vger.kernel.org" , "linux-renesas-soc@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 Message-ID: References: <1506499445-14826-1-git-send-email-yoshihiro.shimoda.uh@renesas.com> <20170927083648.GA20317@kroah.com> In-Reply-To: <20170927083648.GA20317@kroah.com> Content-Language: ja-JP Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org List-ID: Hi Greg, > -----Original Message----- > From: Greg KH > Sent: Wednesday, September 27, 2017 5:37 PM >=20 > 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. >=20 > 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, >=20 > greg k-h > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html