lkml.org 
[lkml]   [2015]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v3 05/11] usb: hcd.h: Add OTG to HCD interface
    On Wed, Jul 08, 2015 at 01:19:31PM +0300, Roger Quadros wrote:
    > The OTG core will use struct otg_hcd_ops to
    > add/remove the HCD controller.
    >
    > The main purpose of this interface is to avoid directly
    > calling usb_add/remove_hcd() from the OTG core as they
    > wouldn't be defined in the built-in symbol table if
    > CONFIG_USB is m.
    >
    > Signed-off-by: Roger Quadros <rogerq@ti.com>
    > ---
    > include/linux/usb/hcd.h | 14 ++++++++++++++
    > 1 file changed, 14 insertions(+)
    >
    > diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
    > index c9aa779..4108288 100644
    > --- a/include/linux/usb/hcd.h
    > +++ b/include/linux/usb/hcd.h
    > @@ -386,6 +386,20 @@ struct hc_driver {
    >
    > };
    >
    > +/**
    > + * struct otg_hcd_ops - Interface between OTG core and HCD
    > + *
    > + * Provided by the HCD core to allow the OTG core to start/stop the HCD
    > + *
    > + * @add: function to add the HCD
    > + * @remove: function to remove the HCD
    > + */
    > +struct otg_hcd_ops {
    > + int (*add)(struct usb_hcd *hcd,
    > + unsigned int irqnum, unsigned long irqflags);
    > + void (*remove)(struct usb_hcd *hcd);
    > +};
    > +
    > static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd)
    > {
    > return hcd->driver->flags & HCD_BH;
    > --
    > 2.1.4
    >

    Reviewed-by: Peter Chen <peter.chen@freescale.com>

    --

    Best Regards,
    Peter Chen


    \
     
     \ /
      Last update: 2015-07-17 04:01    [W:4.542 / U:0.080 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site