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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-03-18 20:58:00 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-18 20:58:00 -0300
commitd608d71cd6d19792487d08333d63c7ff20294694 (patch)
treec9cad98ad9cbba487d32812d59c456ed774d6ffb /drivers/usb/core/usb.h
parented72d37a33fdf43dc47787fe220532cdec9da528 (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into v4l_for_linus
Linux 3.9-rc3 * tag 'v3.9-rc3': (11231 commits) Linux 3.9-rc3 perf,x86: fix link failure for non-Intel configs perf,x86: fix wrmsr_on_cpu() warning on suspend/resume Btrfs: fix warning of free_extent_map perf,x86: fix kernel crash with PEBS/BTS after suspend/resume ALSA: hda - Fix missing EAPD/GPIO setup for Cirrus codecs sound: sequencer: cap array index in seq_chn_common_event() mfd: twl4030-madc: Remove __exit_p annotation ALSA: hda/ca0132 - Remove extra setting of dsp_state. ALSA: hda/ca0132 - Check download state of DSP. ALSA: hda/ca0132 - Check if dspload_image succeeded. mm/fremap.c: fix possible oops on error path list: Fix double fetch of pointer in hlist_entry_safe() Btrfs: fix warning when creating snapshots Btrfs: return as soon as possible when edquot happens Btrfs: return EIO if we have extent tree corruption btrfs: use rcu_barrier() to wait for bdev puts at unmount Btrfs: remove btrfs_try_spin_lock Btrfs: get better concurrency for snapshot-aware defrag work hwmon: (pmbus/ltc2978) Fix temperature reporting ...
Diffstat (limited to 'drivers/usb/core/usb.h')
-rw-r--r--drivers/usb/core/usb.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 1c528c1bf0b..a7f20bde0e5 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -1,6 +1,7 @@
#include <linux/pm.h>
#include <linux/acpi.h>
+struct usb_hub_descriptor;
struct dev_state;
/* Functions local to drivers/usb/core/ */
@@ -38,6 +39,15 @@ extern char *usb_cache_string(struct usb_device *udev, int index);
extern int usb_set_configuration(struct usb_device *dev, int configuration);
extern int usb_choose_configuration(struct usb_device *udev);
+static inline unsigned usb_get_max_power(struct usb_device *udev,
+ struct usb_host_config *c)
+{
+ /* SuperSpeed power is in 8 mA units; others are in 2 mA units */
+ unsigned mul = (udev->speed == USB_SPEED_SUPER ? 8 : 2);
+
+ return c->desc.bMaxPower * mul;
+}
+
extern void usb_kick_khubd(struct usb_device *dev);
extern int usb_match_one_id_intf(struct usb_device *dev,
struct usb_host_interface *intf,
@@ -173,6 +183,8 @@ extern enum usb_port_connect_type
usb_get_hub_port_connect_type(struct usb_device *hdev, int port1);
extern void usb_set_hub_port_connect_type(struct usb_device *hdev, int port1,
enum usb_port_connect_type type);
+extern void usb_hub_adjust_deviceremovable(struct usb_device *hdev,
+ struct usb_hub_descriptor *desc);
#ifdef CONFIG_ACPI
extern int usb_acpi_register(void);