diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 12:09:47 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-09 12:09:47 -0800 |
commit | 55b81e6f2795484ea8edf5805c95c007cacfa736 (patch) | |
tree | c3724975107857fcc03b5dd649c462e4f72397be /drivers/usb/core/hub.c | |
parent | 5983faf942f260023e547f3c5f38c1033c35cc9b (diff) | |
parent | 08e87d0d773dc9ca5faf4c3306e238ed0ea129b0 (diff) |
Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
xhci: Clean up 32-bit build warnings.
USB: update documentation for usbmon
usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
drivers/usb/class/cdc-acm.c: clear dangling pointer
drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
drivers/usb/host/isp1760-if.c: introduce missing kfree
usb: option: add ZD Incorporated HSPA modem
usb: ch9: fix up MaxStreams helper
USB: usb-skeleton.c: cleanup open_count
USB: usb-skeleton.c: fix open/disconnect race
xhci: Properly handle COMP_2ND_BW_ERR
USB: remove dead code from suspend/resume path
USB: add quirk for another camera
drivers: usb: wusbcore: Fix dependency for USB_WUSB
xhci: Better debugging for critical host errors.
xhci: Be less verbose during URB cancellation.
xhci: Remove debugging about ring structure allocation.
xhci: Remove debugging about toggling cycle bits.
xhci: Remove debugging for individual transfers.
...
Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r-- | drivers/usb/core/hub.c | 89 |
1 files changed, 44 insertions, 45 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 79781461eec..79d339e2e70 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -84,7 +84,7 @@ struct usb_hub { static inline int hub_is_superspeed(struct usb_device *hdev) { - return (hdev->descriptor.bDeviceProtocol == 3); + return (hdev->descriptor.bDeviceProtocol == USB_HUB_PR_SS); } /* Protect struct usb_device->state and ->children members @@ -1041,58 +1041,58 @@ static int hub_configure(struct usb_hub *hub, dev_dbg(hub_dev, "standalone hub\n"); switch (wHubCharacteristics & HUB_CHAR_LPSM) { - case 0x00: - dev_dbg(hub_dev, "ganged power switching\n"); - break; - case 0x01: - dev_dbg(hub_dev, "individual port power switching\n"); - break; - case 0x02: - case 0x03: - dev_dbg(hub_dev, "no power switching (usb 1.0)\n"); - break; + case HUB_CHAR_COMMON_LPSM: + dev_dbg(hub_dev, "ganged power switching\n"); + break; + case HUB_CHAR_INDV_PORT_LPSM: + dev_dbg(hub_dev, "individual port power switching\n"); + break; + case HUB_CHAR_NO_LPSM: + case HUB_CHAR_LPSM: + dev_dbg(hub_dev, "no power switching (usb 1.0)\n"); + break; } switch (wHubCharacteristics & HUB_CHAR_OCPM) { - case 0x00: - dev_dbg(hub_dev, "global over-current protection\n"); - break; - case 0x08: - dev_dbg(hub_dev, "individual port over-current protection\n"); - break; - case 0x10: - case 0x18: - dev_dbg(hub_dev, "no over-current protection\n"); - break; + case HUB_CHAR_COMMON_OCPM: + dev_dbg(hub_dev, "global over-current protection\n"); + break; + case HUB_CHAR_INDV_PORT_OCPM: + dev_dbg(hub_dev, "individual port over-current protection\n"); + break; + case HUB_CHAR_NO_OCPM: + case HUB_CHAR_OCPM: + dev_dbg(hub_dev, "no over-current protection\n"); + break; } 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 0: - break; - case 1: - dev_dbg(hub_dev, "Single TT\n"); - hub->tt.hub = hdev; - break; - case 2: - ret = usb_set_interface(hdev, 0, 1); - if (ret == 0) { - dev_dbg(hub_dev, "TT per port\n"); - hub->tt.multi = 1; - } else - dev_err(hub_dev, "Using single TT (err %d)\n", - ret); - hub->tt.hub = hdev; - break; - case 3: - /* USB 3.0 hubs don't have a TT */ - break; - default: - dev_dbg(hub_dev, "Unrecognized hub protocol %d\n", - hdev->descriptor.bDeviceProtocol); - break; + case USB_HUB_PR_FS: + break; + case USB_HUB_PR_HS_SINGLE_TT: + dev_dbg(hub_dev, "Single TT\n"); + hub->tt.hub = hdev; + break; + case USB_HUB_PR_HS_MULTI_TT: + ret = usb_set_interface(hdev, 0, 1); + if (ret == 0) { + dev_dbg(hub_dev, "TT per port\n"); + hub->tt.multi = 1; + } else + dev_err(hub_dev, "Using single TT (err %d)\n", + ret); + hub->tt.hub = hdev; + break; + case USB_HUB_PR_SS: + /* USB 3.0 hubs don't have a TT */ + break; + default: + dev_dbg(hub_dev, "Unrecognized hub protocol %d\n", + hdev->descriptor.bDeviceProtocol); + break; } /* Note 8 FS bit times == (8 bits / 12000000 bps) ~= 666ns */ @@ -1360,7 +1360,6 @@ descriptor_error: return -ENODEV; } -/* No BKL needed */ static int hub_ioctl(struct usb_interface *intf, unsigned int code, void *user_data) { |