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| author | kuninori.morimoto.gx@renesas.com <kuninori.morimoto.gx@renesas.com> | 2011-07-25 00:39:30 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-08-22 15:54:38 -0700 |
| commit | 939f325f4a0fb7eb189268a4593e427d3a075514 (patch) | |
| tree | 73b3f857401af0339979f8260bcafa667726ca4c /include/linux/usb | |
| parent | 23106343db66171c94ae486d2035478ec575b228 (diff) | |
| download | blackbird-op-linux-939f325f4a0fb7eb189268a4593e427d3a075514.tar.gz blackbird-op-linux-939f325f4a0fb7eb189268a4593e427d3a075514.zip | |
usb: add usb_endpoint_maxp() macro
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/ch9.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 0fd3fbdd8283..e809deabf503 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -34,6 +34,7 @@ #define __LINUX_USB_CH9_H #include <linux/types.h> /* __u8 etc */ +#include <asm/byteorder.h> /* le16_to_cpu */ /*-------------------------------------------------------------------------*/ @@ -570,6 +571,17 @@ static inline int usb_endpoint_is_isoc_out( return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd); } +/** + * usb_endpoint_maxp - get endpoint's max packet size + * @epd: endpoint to be checked + * + * Returns @epd's max packet + */ +static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) +{ + return le16_to_cpu(epd->wMaxPacketSize); +} + /*-------------------------------------------------------------------------*/ /* USB_DT_SS_ENDPOINT_COMP: SuperSpeed Endpoint Companion descriptor */ |
