From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:52908 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753930AbbIPUBC (ORCPT ); Wed, 16 Sep 2015 16:01:02 -0400 Subject: Patch "usb: host: ehci-sys: delete useless bus_to_hcd conversion" has been added to the 4.1-stable tree To: peter.chen@freescale.com, gregkh@linuxfoundation.org, stern@rowland.harvard.edu Cc: , From: Date: Wed, 16 Sep 2015 11:30:53 -0700 Message-ID: <144242825359243@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: host: ehci-sys: delete useless bus_to_hcd conversion to the 4.1-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-host-ehci-sys-delete-useless-bus_to_hcd-conversion.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 0521cfd06e1ebcd575e7ae36aab068b38df23850 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Mon, 17 Aug 2015 10:23:03 +0800 Subject: usb: host: ehci-sys: delete useless bus_to_hcd conversion From: Peter Chen commit 0521cfd06e1ebcd575e7ae36aab068b38df23850 upstream. The ehci platform device's drvdata is the pointer of struct usb_hcd already, so we doesn't need to call bus_to_hcd conversion again. Signed-off-by: Peter Chen Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-sysfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/drivers/usb/host/ehci-sysfs.c +++ b/drivers/usb/host/ehci-sysfs.c @@ -29,7 +29,7 @@ static ssize_t show_companion(struct dev int count = PAGE_SIZE; char *ptr = buf; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); nports = HCS_N_PORTS(ehci->hcs_params); for (index = 0; index < nports; ++index) { @@ -54,7 +54,7 @@ static ssize_t store_companion(struct de struct ehci_hcd *ehci; int portnum, new_owner; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); new_owner = PORT_OWNER; /* Owned by companion */ if (sscanf(buf, "%d", &portnum) != 1) return -EINVAL; @@ -85,7 +85,7 @@ static ssize_t show_uframe_periodic_max( struct ehci_hcd *ehci; int n; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max); return n; } @@ -101,7 +101,7 @@ static ssize_t store_uframe_periodic_max unsigned long flags; ssize_t ret; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); if (kstrtouint(buf, 0, &uframe_periodic_max) < 0) return -EINVAL; Patches currently in stable-queue which might be from peter.chen@freescale.com are queue-4.1/usb-host-ehci-sys-delete-useless-bus_to_hcd-conversion.patch queue-4.1/doc-usb-gadget-testing-using-the-updated-testusb.c.patch queue-4.1/usb-gadget-f_uac2-finalize-wmaxpacketsize-according-to-bandwidth.patch