/* cycle leds on hubs that aren't blinking for attention */
static bool blinkenlights = 0;
-module_param (blinkenlights, bool, S_IRUGO);
-MODULE_PARM_DESC (blinkenlights, "true to cycle leds on hubs");
+module_param(blinkenlights, bool, S_IRUGO);
+MODULE_PARM_DESC(blinkenlights, "true to cycle leds on hubs");
/*
* Device SATA8000 FW1.0 from DATAST0R Technology Corp requires about
#define LED_CYCLE_PERIOD ((2*HZ)/3)
-static void led_work (struct work_struct *work)
+static void led_work(struct work_struct *work)
{
struct usb_hub *hub =
container_of(work, struct usb_hub, leds.work);
default: /* presumably an error */
/* Cause a hub reset after 10 consecutive errors */
- dev_dbg (hub->intfdev, "transfer --> %d\n", status);
+ dev_dbg(hub->intfdev, "transfer --> %d\n", status);
if ((++hub->nerrors < 10) || hub->error)
goto resubmit;
hub->error = status;
if (hub->quiescing)
return;
- if ((status = usb_submit_urb (hub->urb, GFP_ATOMIC)) != 0
- && status != -ENODEV && status != -EPERM)
- dev_err (hub->intfdev, "resubmit --> %d\n", status);
+ status = usb_submit_urb(hub->urb, GFP_ATOMIC);
+ if (status != 0 && status != -ENODEV && status != -EPERM)
+ dev_err(hub->intfdev, "resubmit --> %d\n", status);
}
/* USB 2.0 spec Section 11.24.2.3 */
static inline int
-hub_clear_tt_buffer (struct usb_device *hdev, u16 devinfo, u16 tt)
+hub_clear_tt_buffer(struct usb_device *hdev, u16 devinfo, u16 tt)
{
/* Need to clear both directions for control ep */
if (((devinfo >> 11) & USB_ENDPOINT_XFERTYPE_MASK) ==
container_of(work, struct usb_hub, tt.clear_work);
unsigned long flags;
- spin_lock_irqsave (&hub->tt.lock, flags);
+ spin_lock_irqsave(&hub->tt.lock, flags);
while (!list_empty(&hub->tt.clear_list)) {
struct list_head *next;
struct usb_tt_clear *clear;
int status;
next = hub->tt.clear_list.next;
- clear = list_entry (next, struct usb_tt_clear, clear_list);
- list_del (&clear->clear_list);
+ clear = list_entry(next, struct usb_tt_clear, clear_list);
+ list_del(&clear->clear_list);
/* drop lock so HCD can concurrently report other TT errors */
- spin_unlock_irqrestore (&hub->tt.lock, flags);
- status = hub_clear_tt_buffer (hdev, clear->devinfo, clear->tt);
+ spin_unlock_irqrestore(&hub->tt.lock, flags);
+ status = hub_clear_tt_buffer(hdev, clear->devinfo, clear->tt);
if (status && status != -ENODEV)
- dev_err (&hdev->dev,
+ dev_err(&hdev->dev,
"clear tt %d (%04x) error %d\n",
clear->tt, clear->devinfo, status);
kfree(clear);
spin_lock_irqsave(&hub->tt.lock, flags);
}
- spin_unlock_irqrestore (&hub->tt.lock, flags);
+ spin_unlock_irqrestore(&hub->tt.lock, flags);
}
/**
*/
clear = kmalloc(sizeof *clear, GFP_ATOMIC);
if (clear == NULL) {
- dev_err (&udev->dev, "can't save CLEAR_TT_BUFFER state\n");
+ dev_err(&udev->dev, "can't save CLEAR_TT_BUFFER state\n");
/* FIXME recover somehow ... RESET_TT? */
return -ENOMEM;
}
clear->tt = tt->multi ? udev->ttport : 1;
clear->devinfo = usb_pipeendpoint (pipe);
clear->devinfo |= udev->devnum << 4;
- clear->devinfo |= usb_pipecontrol (pipe)
+ clear->devinfo |= usb_pipecontrol(pipe)
? (USB_ENDPOINT_XFER_CONTROL << 11)
: (USB_ENDPOINT_XFER_BULK << 11);
- if (usb_pipein (pipe))
+ if (usb_pipein(pipe))
clear->devinfo |= 1 << 15;
/* info for completion callback */
clear->ep = urb->ep;
/* tell keventd to clear state for this TT */
- spin_lock_irqsave (&tt->lock, flags);
- list_add_tail (&clear->clear_list, &tt->clear_list);
+ spin_lock_irqsave(&tt->lock, flags);
+ list_add_tail(&clear->clear_list, &tt->clear_list);
schedule_work(&tt->clear_work);
- spin_unlock_irqrestore (&tt->lock, flags);
+ spin_unlock_irqrestore(&tt->lock, flags);
return 0;
}
EXPORT_SYMBOL_GPL(usb_hub_clear_tt_buffer);
break;
}
- spin_lock_init (&hub->tt.lock);
- INIT_LIST_HEAD (&hub->tt.clear_list);
+ spin_lock_init(&hub->tt.lock);
+ INIT_LIST_HEAD(&hub->tt.clear_list);
INIT_WORK(&hub->tt.clear_work, hub_tt_work);
switch (hdev->descriptor.bDeviceProtocol) {
case USB_HUB_PR_FS:
return 0;
fail:
- dev_err (hub_dev, "config failed, %s (err %d)\n",
+ dev_err(hub_dev, "config failed, %s (err %d)\n",
message, ret);
/* hub_disconnect() frees urb and descriptor */
return ret;
if ((desc->desc.bInterfaceSubClass != 0) &&
(desc->desc.bInterfaceSubClass != 1)) {
descriptor_error:
- dev_err (&intf->dev, "bad descriptor, ignoring hub\n");
+ dev_err(&intf->dev, "bad descriptor, ignoring hub\n");
return -EIO;
}
goto descriptor_error;
/* We found a hub */
- dev_info (&intf->dev, "USB hub found\n");
+ dev_info(&intf->dev, "USB hub found\n");
hub = kzalloc(sizeof(*hub), GFP_KERNEL);
if (!hub) {
- dev_dbg (&intf->dev, "couldn't kmalloc hub struct\n");
+ dev_dbg(&intf->dev, "couldn't kmalloc hub struct\n");
return -ENOMEM;
}
usb_get_intf(intf);
usb_get_dev(hdev);
- usb_set_intfdata (intf, hub);
+ usb_set_intfdata(intf, hub);
intf->needs_remote_wakeup = 1;
pm_suspend_ignore_children(&intf->dev, true);
if (hub_configure(hub, endpoint) >= 0)
return 0;
- hub_disconnect (intf);
+ hub_disconnect(intf);
return -ENODEV;
}
static int
hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data)
{
- struct usb_device *hdev = interface_to_usbdev (intf);
+ struct usb_device *hdev = interface_to_usbdev(intf);
struct usb_hub *hub = usb_hub_to_struct_hub(hdev);
/* assert ifno == 0 (part of hub spec) */
* cleaning up all state associated with the current configuration
* so that the hardware is now fully quiesced.
*/
- dev_dbg (&udev->dev, "unregistering device\n");
+ dev_dbg(&udev->dev, "unregistering device\n");
usb_disable_device(udev, 0);
usb_hcd_synchronize_unlinks(udev);
struct usb_bus *bus = udev->bus;
/* descriptor may appear anywhere in config */
- if (__usb_get_extra_descriptor (udev->rawdescriptors[0],
+ if (__usb_get_extra_descriptor(udev->rawdescriptors[0],
le16_to_cpu(udev->config[0].desc.wTotalLength),
USB_DT_OTG, (void **) &desc) == 0) {
if (desc->bmAttributes & USB_OTG_HNP) {
static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
{
- struct usb_hub *hub = usb_get_intfdata (intf);
+ struct usb_hub *hub = usb_get_intfdata(intf);
struct usb_device *hdev = hub->hdev;
unsigned port1;
int status;
if (usb_disable_link_state(hcd, udev, USB3_LPM_U2))
goto enable_lpm;
+ udev->usb3_lpm_enabled = 0;
+
return 0;
enable_lpm:
usb_enable_link_state(hcd, udev, USB3_LPM_U1);
usb_enable_link_state(hcd, udev, USB3_LPM_U2);
+
+ udev->usb3_lpm_enabled = 1;
}
EXPORT_SYMBOL_GPL(usb_enable_lpm);
projects / firefly-linux-kernel-4.4.55.git / blobdiff