Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965524AbbD0Whx (ORCPT ); Mon, 27 Apr 2015 18:37:53 -0400 Received: from mail-yh0-f74.google.com ([209.85.213.74]:34195 "EHLO mail-yh0-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965161AbbD0Whr (ORCPT ); Mon, 27 Apr 2015 18:37:47 -0400 From: Andrew Bresticker To: Stephen Warren , Thierry Reding , Alexandre Courbot Cc: linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andrew Bresticker , Mathias Nyman , Greg Kroah-Hartman Subject: [PATCH V7 1/9] xhci: Set shared HCD's hcd_priv in xhci_gen_setup Date: Mon, 27 Apr 2015 15:37:14 -0700 Message-Id: <1430174242-29465-2-git-send-email-abrestic@chromium.org> X-Mailer: git-send-email 2.2.0.rc0.207.ga3a616c In-Reply-To: <1430174242-29465-1-git-send-email-abrestic@chromium.org> References: <1430174242-29465-1-git-send-email-abrestic@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2807 Lines: 77 xhci_gen_setup() sets the hcd_priv field for the primary HCD, but not for the shared HCD, requiring xHCI host-controller drivers to set it between usb_create_shared_hcd() and usb_add_hcd(). There's no reason xhci_gen_setup() can't set the shared HCD's hcd_priv as well, so move that bit out of the host-controller drivers and into xhci_gen_setup(). Signed-off-by: Andrew Bresticker Reviewed-by: Felipe Balbi Cc: Mathias Nyman Cc: Greg Kroah-Hartman --- No changes from v5/v6. New for v5. Peviously posted here: https://lkml.org/lkml/2014/10/30/726 --- drivers/usb/host/xhci-pci.c | 5 ----- drivers/usb/host/xhci-plat.c | 5 ----- drivers/usb/host/xhci.c | 6 +++--- 3 files changed, 3 insertions(+), 13 deletions(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 2af32e2..f9ce741 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -247,11 +247,6 @@ static int xhci_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) goto dealloc_usb2_hcd; } - /* Set the xHCI pointer before xhci_pci_setup() (aka hcd_driver.reset) - * is called by usb_add_hcd(). - */ - *((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci; - retval = usb_add_hcd(xhci->shared_hcd, dev->irq, IRQF_SHARED); if (retval) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 783e819..852b1e9 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -147,11 +147,6 @@ static int xhci_plat_probe(struct platform_device *pdev) if ((node && of_property_read_bool(node, "usb3-lpm-capable")) || (pdata && pdata->usb3_lpm_capable)) xhci->quirks |= XHCI_LPM_SUPPORT; - /* - * Set the xHCI pointer before xhci_plat_setup() (aka hcd_driver.reset) - * is called by usb_add_hcd(). - */ - *((struct xhci_hcd **) xhci->shared_hcd->hcd_priv) = xhci; if (HCC_MAX_PSA(xhci->hcc_params) >= 4) xhci->shared_hcd->can_do_streams = 1; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index ec8ac16..2901a67 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4849,9 +4849,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks) */ hcd->has_tt = 1; } else { - /* xHCI private pointer was set in xhci_pci_probe for the second - * registered roothub. - */ + xhci = hcd_to_xhci(hcd->primary_hcd); + *((struct xhci_hcd **) hcd->hcd_priv) = xhci; + return 0; } -- 2.2.0.rc0.207.ga3a616c -- 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/