From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946650AbbEBTbg (ORCPT ); Sat, 2 May 2015 15:31:36 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45672 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1945930AbbEBTbb (ORCPT ); Sat, 2 May 2015 15:31:31 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felipe Balbi Subject: [PATCH 3.19 076/177] usb: host: ehci: use new USB_RESUME_TIMEOUT Date: Sat, 2 May 2015 21:01:38 +0200 Message-Id: <20150502190122.927266972@linuxfoundation.org> X-Mailer: git-send-email 2.3.7 In-Reply-To: <20150502190119.666291882@linuxfoundation.org> References: <20150502190119.666291882@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Felipe Balbi commit ea16328f80ca8d74434352157f37ef60e2f55ce2 upstream. Make sure we're using the new macro, so our resume signaling will always pass certification. Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-hcd.c | 10 +++++----- drivers/usb/host/ehci-hub.c | 9 ++++++--- 2 files changed, 11 insertions(+), 8 deletions(-) --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -792,12 +792,12 @@ static irqreturn_t ehci_irq (struct usb_ ehci->reset_done[i] == 0)) continue; - /* start 20 msec resume signaling from this port, - * and make hub_wq collect PORT_STAT_C_SUSPEND to - * stop that signaling. Use 5 ms extra for safety, - * like usb_port_resume() does. + /* start USB_RESUME_TIMEOUT msec resume signaling from + * this port, and make hub_wq collect + * PORT_STAT_C_SUSPEND to stop that signaling. */ - ehci->reset_done[i] = jiffies + msecs_to_jiffies(25); + ehci->reset_done[i] = jiffies + + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(i, &ehci->resuming_ports); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); usb_hcd_start_port_resume(&hcd->self, i); --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -471,10 +471,13 @@ static int ehci_bus_resume (struct usb_h ehci_writel(ehci, temp, &ehci->regs->port_status [i]); } - /* msleep for 20ms only if code is trying to resume port */ + /* + * msleep for USB_RESUME_TIMEOUT ms only if code is trying to resume + * port + */ if (resume_needed) { spin_unlock_irq(&ehci->lock); - msleep(20); + msleep(USB_RESUME_TIMEOUT); spin_lock_irq(&ehci->lock); if (ehci->shutdown) goto shutdown; @@ -942,7 +945,7 @@ int ehci_hub_control( temp &= ~PORT_WAKE_BITS; ehci_writel(ehci, temp | PORT_RESUME, status_reg); ehci->reset_done[wIndex] = jiffies - + msecs_to_jiffies(20); + + msecs_to_jiffies(USB_RESUME_TIMEOUT); set_bit(wIndex, &ehci->resuming_ports); usb_hcd_start_port_resume(&hcd->self, wIndex); break;