From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40124 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728036AbeIFN5K (ORCPT ); Thu, 6 Sep 2018 09:57:10 -0400 Subject: patch "usb: gadget: udc: renesas_usb3: fix maxpacket size of ep0" added to usb-linus To: yoshihiro.shimoda.uh@renesas.com, felipe.balbi@linux.intel.com, junki.kato.xk@renesas.com, stable@vger.kernel.org From: Date: Thu, 06 Sep 2018 11:22:24 +0200 Message-ID: <15362257446284@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 maxpacket size of ep0 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 dfe1a51d2a36647f74cbad478801efa7cf394376 Mon Sep 17 00:00:00 2001 From: Yoshihiro Shimoda Date: Fri, 3 Aug 2018 12:12:46 +0900 Subject: usb: gadget: udc: renesas_usb3: fix maxpacket size of ep0 This patch fixes an issue that maxpacket size of ep0 is incorrect for SuperSpeed. Otherwise, CDC NCM class with SuperSpeed doesn't work correctly on this driver because its control read data size is more than 64 bytes. Reported-by: Junki Kato Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller") Cc: # v4.5+ Signed-off-by: Yoshihiro Shimoda Tested-by: Junki Kato Signed-off-by: Felipe Balbi --- drivers/usb/gadget/udc/renesas_usb3.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 1f879b3f2c96..e1656f361e08 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -812,12 +812,15 @@ static void usb3_irq_epc_int_1_speed(struct renesas_usb3 *usb3) switch (speed) { case USB_STA_SPEED_SS: usb3->gadget.speed = USB_SPEED_SUPER; + usb3->gadget.ep0->maxpacket = USB3_EP0_SS_MAX_PACKET_SIZE; break; case USB_STA_SPEED_HS: usb3->gadget.speed = USB_SPEED_HIGH; + usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; break; case USB_STA_SPEED_FS: usb3->gadget.speed = USB_SPEED_FULL; + usb3->gadget.ep0->maxpacket = USB3_EP0_HSFS_MAX_PACKET_SIZE; break; default: usb3->gadget.speed = USB_SPEED_UNKNOWN; @@ -2513,7 +2516,7 @@ static int renesas_usb3_init_ep(struct renesas_usb3 *usb3, struct device *dev, /* for control pipe */ usb3->gadget.ep0 = &usb3_ep->ep; usb_ep_set_maxpacket_limit(&usb3_ep->ep, - USB3_EP0_HSFS_MAX_PACKET_SIZE); + USB3_EP0_SS_MAX_PACKET_SIZE); usb3_ep->ep.caps.type_control = true; usb3_ep->ep.caps.dir_in = true; usb3_ep->ep.caps.dir_out = true; -- 2.18.0