[PATCH v4 03/46] usb: gadget: add endpoint capabilities helper macros
From: Robert Baldyga <hidden>
Date: 2015-07-27 09:17:48
Also in:
linux-arm-kernel, linux-omap, lkml
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
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 <redacted> --- 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 2e85b86..c71b1de 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"
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1.9.1