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path: root/drivers/usb/core/hub.c
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Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 70cccc75a362..84c1897188d2 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -20,6 +20,7 @@
#include <linux/usb.h>
#include <linux/usbdevice_fs.h>
#include <linux/usb/hcd.h>
+#include <linux/usb/quirks.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/freezer.h>
@@ -1294,6 +1295,7 @@ descriptor_error:
return -ENODEV;
}
+/* No BKL needed */
static int
hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
{
@@ -1801,7 +1803,6 @@ int usb_new_device(struct usb_device *udev)
pm_runtime_set_active(&udev->dev);
pm_runtime_enable(&udev->dev);
- usb_detect_quirks(udev);
err = usb_enumerate_device(udev); /* Read descriptors */
if (err < 0)
goto fail;
@@ -2880,7 +2881,9 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
}
retval = 0;
-
+ /* notify HCD that we have a device connected and addressed */
+ if (hcd->driver->update_device)
+ hcd->driver->update_device(hcd, udev);
fail:
if (retval) {
hub_port_disable(hub, port1, 0);
@@ -3111,6 +3114,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
if (status < 0)
goto loop;
+ usb_detect_quirks(udev);
+ if (udev->quirks & USB_QUIRK_DELAY_INIT)
+ msleep(1000);
+
/* consecutive bus-powered hubs aren't reliable; they can
* violate the voltage drop budget. if the new child has
* a "powered" LED, users should notice we didn't enable it
@@ -3463,7 +3470,7 @@ static struct usb_driver hub_driver = {
.reset_resume = hub_reset_resume,
.pre_reset = hub_pre_reset,
.post_reset = hub_post_reset,
- .ioctl = hub_ioctl,
+ .unlocked_ioctl = hub_ioctl,
.id_table = hub_id_table,
.supports_autosuspend = 1,
};
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