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| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-14 15:51:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-14 15:51:23 +0200 |
| commit | dcc854579059ff9633db4dc41c681371d22f794e (patch) | |
| tree | 985489cf3efcb1fcaa193237fb8674d530c188dd /drivers/usb/host/xhci-mem.c | |
| parent | usb: renesas_usbhs: add DMAEngine support (diff) | |
| parent | Linux 3.0-rc3 (diff) | |
| download | linux-dcc854579059ff9633db4dc41c681371d22f794e.tar.xz linux-dcc854579059ff9633db4dc41c681371d22f794e.zip | |
Merge 3.0-rc2 into usb-linus as it's needed by some USB patches
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 596d8fbb9e18..1370db808fc6 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -985,9 +985,19 @@ static unsigned int xhci_parse_exponent_interval(struct usb_device *udev, interval = clamp_val(ep->desc.bInterval, 1, 16) - 1; if (interval != ep->desc.bInterval - 1) dev_warn(&udev->dev, - "ep %#x - rounding interval to %d microframes\n", + "ep %#x - rounding interval to %d %sframes\n", ep->desc.bEndpointAddress, - 1 << interval); + 1 << interval, + udev->speed == USB_SPEED_FULL ? "" : "micro"); + + if (udev->speed == USB_SPEED_FULL) { + /* + * Full speed isoc endpoints specify interval in frames, + * not microframes. We are using microframes everywhere, + * so adjust accordingly. + */ + interval += 3; /* 1 frame = 2^3 uframes */ + } return interval; } |