Re: [PATCH usb-next v3 3/5] usb: cdc-wdm: adding usb_cdc_wdm_register subdriver support

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Am Mittwoch, 29. Februar 2012, 16:15:05 schrieb Bjørn Mork:
> This driver can be used as a subdriver of another USB driver, allowing
> it to export a Device Managment interface consisting of a single interrupt
> endpoint with no dedicated USB interface.
> 
> Some devices provide a Device Management function combined with a wwan
> function in a single USB interface having three endpoints (bulk in/out
> + interrupt).  If the interrupt endpoint is used exclusively for DM
> notifications, then this driver can support that as a subdriver
> provided that the wwan driver calls the appropriate entry points on
> probe, suspend, resume, pre_reset, post_reset and disconnect.
> 
> The main driver must have full control over all interface related
> settings, including the needs_remote_wakeup flag. A manage_power
> function must be provided by the main driver.
> 
> A manage_power stub doing direct flag manipulation is used in normal
> driver mode.
> 
> Signed-off-by: Bjørn Mork <bjorn@xxxxxxx>
Acked-by: Oliver Neukum <oneukum@xxxxxxx>
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