From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46234 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbdI2I0a (ORCPT ); Fri, 29 Sep 2017 04:26:30 -0400 Subject: patch "usb: gadget: udc: renesas_usb3: fix for no-data control transfer" added to usb-linus To: yoshihiro.shimoda.uh@renesas.com, felipe.balbi@linux.intel.com, stable@vger.kernel.org From: Date: Fri, 29 Sep 2017 10:26:22 +0200 Message-ID: <150667358261204@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: gadget: udc: renesas_usb3: fix for no-data control transfer to my usb git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git in the usb-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. >>From 4dcf4bab4a409e81284b8202137e4a85b96b34de Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Mon, 25 Sep 2017 17:01:23 +0900 Subject: usb: gadget: udc: renesas_usb3: fix for no-data control transfer When bRequestType & USB_DIR_IN is false and req.length is 0 in control transfer, since it means non-data, this driver should not set the mode as control write. So, this patch fixes it. Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller") Cc: # v4.5+ Signed-off-by: Yoshihiro Shimoda Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/renesas_usb3.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index df37c1e6e9d5..555c105e82df 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -1150,7 +1150,8 @@ static void usb3_start_pipe0(struct renesas_usb3_ep *usb3_ep, usb3_set_p0_con_for_ctrl_read_data(usb3); } else { usb3_clear_bit(usb3, P0_MOD_DIR, USB3_P0_MOD); - usb3_set_p0_con_for_ctrl_write_data(usb3); + if (usb3_req->req.length) + usb3_set_p0_con_for_ctrl_write_data(usb3); } usb3_p0_xfer(usb3_ep, usb3_req); -- 2.14.1