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| author | Oliver Neukum <oliver@neukum.org> | 2007-10-12 17:24:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-02-01 14:34:47 -0800 |
| commit | 1365baf7249bb2d05e774e7681237b8e86f5007a (patch) | |
| tree | d9a77d461a6cacf1154c59468f47db854982f254 /drivers/usb/class/cdc-acm.h | |
| parent | eedffd12e07d8fd150618d603d010b491dc90354 (diff) | |
| download | linux-1365baf7249bb2d05e774e7681237b8e86f5007a.tar.gz | |
USB: autosuspend for cdc-acm
Here we go. This patch implements suspend/resume and autosuspend for the CDC ACM driver. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/class/cdc-acm.h')
| -rw-r--r-- | drivers/usb/class/cdc-acm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 09f7765dbf8d..8df6a57dcf9e 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -107,6 +107,7 @@ struct acm { int write_used; /* number of non-empty write buffers */ int write_ready; /* write urb is not running */ spinlock_t write_lock; + struct mutex mutex; struct usb_cdc_line_coding line; /* bits, stop, parity */ struct work_struct work; /* work queue entry for line discipline waking up */ struct tasklet_struct urb_task; /* rx processing */ @@ -120,6 +121,7 @@ struct acm { unsigned char throttle; /* throttled by tty layer */ unsigned char clocal; /* termios CLOCAL */ unsigned int ctrl_caps; /* control capabilities from the class specific header */ + unsigned int susp_count; /* number of suspended interfaces */ }; #define CDC_DATA_INTERFACE_TYPE 0x0a |