summaryrefslogtreecommitdiffstats
path: root/include/linux/usb/ch9.h
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-19 17:02:01 -0700
commit10ce3cc919f50c2043b41ca968b43c26a3672600 (patch)
treeea409366a5208aced495bc0516a08b81fd43222e /include/linux/usb/ch9.h
parent24e3e5ae1e4c2a3a32f5b1f96b4e3fd721806acd (diff)
parent5c6a7a62c130afef3d61c1dee153012231ff5cd9 (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'include/linux/usb/ch9.h')
-rw-r--r--include/linux/usb/ch9.h22
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))