diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
| commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
| tree | a7d56d88fad5e444d7661484109758a2f436129e /drivers/usb/core/urb.c | |
| parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
| parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) | |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/usb/core/urb.c')
| -rw-r--r-- | drivers/usb/core/urb.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index c14fc082864f..ae334b067c13 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -366,7 +366,16 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) if (xfertype == USB_ENDPOINT_XFER_ISOC) { int n, len; - /* FIXME SuperSpeed isoc endpoints have up to 16 bursts */ + /* SuperSpeed isoc endpoints have up to 16 bursts of up to + * 3 packets each + */ + if (dev->speed == USB_SPEED_SUPER) { + int burst = 1 + ep->ss_ep_comp.bMaxBurst; + int mult = USB_SS_MULT(ep->ss_ep_comp.bmAttributes); + max *= burst; + max *= mult; + } + /* "high bandwidth" mode, 1-3 packets/uframe? */ if (dev->speed == USB_SPEED_HIGH) { int mult = 1 + ((max >> 11) & 0x03); |