From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:47106 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753991AbdJILbu (ORCPT ); Mon, 9 Oct 2017 07:31:50 -0400 Subject: Patch "usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe" has been added to the 4.13-stable tree To: yoshihiro.shimoda.uh@renesas.com, felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org Cc: , From: Date: Mon, 09 Oct 2017 13:31:35 +0200 Message-ID: <1507548695139110@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe to the 4.13-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-renesas_usbhs-fix-the-bclr-setting-condition-for-non-dcp-pipe.patch and it can be found in the queue-4.13 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 6124607acc88fffeaadf3aacfeb3cc1304c87387 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Wed, 27 Sep 2017 18:47:12 +0900 Subject: usb: renesas_usbhs: fix the BCLR setting condition for non-DCP pipe From: Yoshihiro Shimoda commit 6124607acc88fffeaadf3aacfeb3cc1304c87387 upstream. This patch fixes an issue that the driver sets the BCLR bit of {C,Dn}FIFOCTR register to 1 even when it's non-DCP pipe and the FRDY bit of {C,Dn}FIFOCTR register is set to 1. Fixes: e8d548d54968 ("usb: renesas_usbhs: fifo became independent from pipe.") Signed-off-by: Yoshihiro Shimoda Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/renesas_usbhs/fifo.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -282,11 +282,17 @@ static void usbhsf_fifo_clear(struct usb struct usbhs_fifo *fifo) { struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe); + int ret = 0; if (!usbhs_pipe_is_dcp(pipe)) - usbhsf_fifo_barrier(priv, fifo); + ret = usbhsf_fifo_barrier(priv, fifo); - usbhs_write(priv, fifo->ctr, BCLR); + /* + * if non-DCP pipe, this driver should set BCLR when + * usbhsf_fifo_barrier() returns 0. + */ + if (!ret) + usbhs_write(priv, fifo->ctr, BCLR); } static int usbhsf_fifo_rcv_len(struct usbhs_priv *priv, Patches currently in stable-queue which might be from yoshihiro.shimoda.uh@renesas.com are queue-4.13/usb-gadget-udc-renesas_usb3-fix-return-value-of-usb3_write_pipe.patch queue-4.13/usb-gadget-udc-renesas_usb3-fix-pn_rammap.pn_mpkt-value.patch queue-4.13/usb-renesas_usbhs-fix-usbhsf_fifo_clear-for-rx-direction.patch queue-4.13/usb-gadget-udc-renesas_usb3-fix-for-no-data-control-transfer.patch queue-4.13/usb-renesas_usbhs-fix-the-bclr-setting-condition-for-non-dcp-pipe.patch