From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: [RFC v2 08/13] usb: hub: Handle deferred probe Date: Thu, 05 May 2016 14:34:21 +0200 Message-ID: <1462451666-17945-9-git-send-email-k.kozlowski@samsung.com> References: <1462451666-17945-1-git-send-email-k.kozlowski@samsung.com> Return-path: In-reply-to: <1462451666-17945-1-git-send-email-k.kozlowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-pm@vger.kernel.org, linux-usb@vger.kernel.org, Ulf Hansson , Sebastian Reichel , Dmitry Eremin-Solenikov , David Woodhouse , Greg Kroah-Hartman , Mark Brown Cc: tjakobi@math.uni-bielefeld.de, m.szyprowski@samsung.com, hverkuil@xs4all.nl, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz List-Id: devicetree@vger.kernel.org Add support for deferred probing to the usb hub. Currently EPROBE_DEFER does not exist in usb hub path but future patches will add it on the port level. Signed-off-by: Krzysztof Kozlowski --- drivers/usb/core/hub.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 38cc4bae0a82..1c82fcc448f5 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1731,6 +1731,7 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) struct usb_endpoint_descriptor *endpoint; struct usb_device *hdev; struct usb_hub *hub; + int ret; desc = intf->cur_altsetting; hdev = interface_to_usbdev(intf); @@ -1850,11 +1851,12 @@ descriptor_error: if (id->driver_info & HUB_QUIRK_CHECK_PORT_AUTOSUSPEND) hub->quirk_check_port_auto_suspend = 1; - if (hub_configure(hub, endpoint) >= 0) + ret = hub_configure(hub, endpoint); + if (ret >= 0) return 0; hub_disconnect(intf); - return -ENODEV; + return ret; } static int -- 1.9.1