lkml.org 
[lkml]   [2015]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 03/37] usb: gadget: add endpoint capabilities helper macros
    Date
    Add macros useful while initializing array of endpoint capabilities
    structures. These macros makes structure initialization more compact
    to decrease number of code lines and increase readability of code.

    Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
    ---
    include/linux/usb/gadget.h | 20 ++++++++++++++++++++
    1 file changed, 20 insertions(+)

    diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
    index 6f3e0fb..e6cbc25 100644
    --- a/include/linux/usb/gadget.h
    +++ b/include/linux/usb/gadget.h
    @@ -158,6 +158,26 @@ struct usb_ep_caps {
    unsigned dir_out:1;
    };

    +#define USB_EP_CAPS_TYPE_CONTROL 0x01
    +#define USB_EP_CAPS_TYPE_ISO 0x02
    +#define USB_EP_CAPS_TYPE_BULK 0x04
    +#define USB_EP_CAPS_TYPE_INT 0x08
    +#define USB_EP_CAPS_TYPE_ALL \
    + (USB_EP_CAPS_TYPE_ISO | USB_EP_CAPS_TYPE_BULK | USB_EP_CAPS_TYPE_INT)
    +#define USB_EP_CAPS_DIR_IN 0x01
    +#define USB_EP_CAPS_DIR_OUT 0x02
    +#define USB_EP_CAPS_DIR_ALL (USB_EP_CAPS_DIR_IN | USB_EP_CAPS_DIR_OUT)
    +
    +#define USB_EP_CAPS(_type, _dir) \
    + { \
    + .type_control = !!(_type & USB_EP_CAPS_TYPE_CONTROL), \
    + .type_iso = !!(_type & USB_EP_CAPS_TYPE_ISO), \
    + .type_bulk = !!(_type & USB_EP_CAPS_TYPE_BULK), \
    + .type_int = !!(_type & USB_EP_CAPS_TYPE_INT), \
    + .dir_in = !!(_dir & USB_EP_CAPS_DIR_IN), \
    + .dir_out = !!(_dir & USB_EP_CAPS_DIR_OUT), \
    + }
    +
    /**
    * struct usb_ep - device side representation of USB endpoint
    * @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk"
    --
    1.9.1


    \
     
     \ /
      Last update: 2015-07-08 13:21    [W:4.136 / U:0.056 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site