diff options
author | Alan Cox <alan@linux.intel.com> | 2010-02-18 16:44:01 +0000 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-03-02 14:55:12 -0800 |
commit | a108bfcb372d8c4452701039308fb95747911c59 (patch) | |
tree | 3528621937692e28081f71131cddc3130e2641ad /drivers/usb/serial/mos7720.c | |
parent | 2832fc11f1360668482beec06dbcd631ae5f0cf1 (diff) | |
download | op-kernel-dev-a108bfcb372d8c4452701039308fb95747911c59.zip op-kernel-dev-a108bfcb372d8c4452701039308fb95747911c59.tar.gz |
USB: tty: Prune uses of tty_request_room in the USB layer
We have lots of callers that do not need to do this in the first place.
Remove the calls as they both cost CPU and for big buffers can mess up the
multi-page allocation avoidance.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/mos7720.c')
-rw-r--r-- | drivers/usb/serial/mos7720.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 546b29f..0d47f2c 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -290,7 +290,6 @@ static void mos7720_bulk_in_callback(struct urb *urb) tty = tty_port_tty_get(&port->port); if (tty && urb->actual_length) { - tty_buffer_request_room(tty, urb->actual_length); tty_insert_flip_string(tty, data, urb->actual_length); tty_flip_buffer_push(tty); } |