Re: [PATCH v2 01/25] usb: otg: add unified otg_notify function for usb_otg_event notification

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On Sat, Dec 11, 2010 at 12:54:59PM +0800, Wu, Hao wrote:
> >On Sat, Dec 11, 2010 at 12:40:44AM +0800, Hao Wu wrote:
> >> This patch adds a unified otg_notify function to otg_transceiver data
> >> structure. It is used for USB host/peripheral to notify otg related event
> >> to otg_transceiver.
> >
> >Will this work for all OTG devices?  
> 
> This function will be more useful for OTG implementation which uses
> host driver/transceiver driver/peripheral driver architecture.

So, no other?

> In that case, USB host/peripheral needs to notify otg events to
> transceiver driver (depends on OTG implementation). So made it
> A unified otg_notify member of otg_transceiver data seems to be a way
> to share/reuse the same code in similar implementation.

But no other hardware is like this today?

> This is only a interface for USB host/peripheral notification, if it
> is no needed for some driver, they can keep it with NULL.
> 
> >Don't they already do something like this on a per-device basis?
> 
> Not sure what's the per-device basis mentioned here. Could you provide
> more information? Thanks in advance.

Again, existing notifiers.

thanks,

greg k-h
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