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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-19 17:02:01 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-03-19 17:02:01 -0700 |
commit | 10ce3cc919f50c2043b41ca968b43c26a3672600 (patch) | |
tree | ea409366a5208aced495bc0516a08b81fd43222e /include/linux/usb/ch9.h | |
parent | 24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff) | |
parent | 5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'include/linux/usb/ch9.h')
-rw-r--r-- | include/linux/usb/ch9.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index d5da6c68c25..3b6f628880f 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -589,7 +589,7 @@ static inline int usb_endpoint_is_isoc_out( */ static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) { - return le16_to_cpu(epd->wMaxPacketSize); + return __le16_to_cpu(epd->wMaxPacketSize); } /*-------------------------------------------------------------------------*/ @@ -605,8 +605,26 @@ struct usb_ss_ep_comp_descriptor { } __attribute__ ((packed)); #define USB_DT_SS_EP_COMP_SIZE 6 + /* Bits 4:0 of bmAttributes if this is a bulk endpoint */ -#define USB_SS_MAX_STREAMS(p) (1 << ((p) & 0x1f)) +static inline int +usb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp) +{ + int max_streams; + + if (!comp) + return 0; + + max_streams = comp->bmAttributes & 0x1f; + + if (!max_streams) + return 0; + + max_streams = 1 << max_streams; + + return max_streams; +} + /* Bits 1:0 of bmAttributes if this is an isoc endpoint */ #define USB_SS_MULT(p) (1 + ((p) & 0x3)) |