Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934687AbbEPIGJ (ORCPT ); Sat, 16 May 2015 04:06:09 -0400 Received: from bband-dyn183.178-41-215.t-com.sk ([178.41.215.183]:22472 "EHLO ip4-83-240-18-248.cust.nbox.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1946409AbbEPIFo (ORCPT ); Sat, 16 May 2015 04:05:44 -0400 From: Jiri Slaby To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Felipe Balbi , Jiri Slaby Subject: [PATCH 3.12 102/142] usb: host: ehci: use new USB_RESUME_TIMEOUT Date: Sat, 16 May 2015 09:37:42 +0200 Message-Id: X-Mailer: git-send-email 2.3.7 In-Reply-To: <70c3d4ae1322b9e9bd7443ef574af5635234a0fa.1431761807.git.jslaby@suse.cz> References: <70c3d4ae1322b9e9bd7443ef574af5635234a0fa.1431761807.git.jslaby@suse.cz> In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2705 Lines: 77 From: Felipe Balbi 3.12-stable review patch. If anyone has any objections, please let me know. =============== 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: Jiri Slaby --- drivers/usb/host/ehci-hcd.c | 10 +++++----- drivers/usb/host/ehci-hub.c | 9 ++++++--- 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 51b1f4e18c0d..9b27c65c7bb6 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -791,12 +791,12 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) ehci->reset_done[i] == 0)) continue; - /* start 20 msec resume signaling from this port, - * and make khubd 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); diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 7ba861543d03..68a06b2f505a 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -482,10 +482,13 @@ static int ehci_bus_resume (struct usb_hcd *hcd) 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; @@ -953,7 +956,7 @@ static 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; -- 2.3.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/