xhci: use debug level when printing out interval rounding messages

Don't use dev_warn() for intened behaviour, use dev_dbg()

Rounding down the interval to the nearest power of 2 is required
by xhci specs.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index c48cbe731356539abf7df8ac1c94a09701b546f7..536d00f21eed3b25357df7f11ebbb3a7e9055dc9 100644 (file)
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1245,7 +1245,7 @@ static unsigned int xhci_microframes_to_exponent(struct usb_device *udev,
        interval = fls(desc_interval) - 1;
        interval = clamp_val(interval, min_exponent, max_exponent);
        if ((1 << interval) != desc_interval)
-               dev_warn(&udev->dev,
+               dev_dbg(&udev->dev,
                         "ep %#x - rounding interval to %d microframes, ep desc says %d microframes\n",
                         ep->desc.bEndpointAddress,
                         1 << interval,