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(parent: 2832fc1) | patch
USB: tty: Prune uses of tty_request_room in the USB layer
authorAlan Cox <alan@linux.intel.com>
Thu, 18 Feb 2010 16:44:01 +0000 (16:44 +0000)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 2 Mar 2010 22:55:12 +0000 (14:55 -0800)
commita108bfcb372d8c4452701039308fb95747911c59
tree3528621937692e28081f71131cddc3130e2641adtree | snapshot
parent2832fc11f1360668482beec06dbcd631ae5f0cf1commit | diff
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>
24 files changed:
drivers/usb/serial/ark3116.c diff | blob | history
drivers/usb/serial/cyberjack.c diff | blob | history
drivers/usb/serial/cypress_m8.c diff | blob | history
drivers/usb/serial/digi_acceleport.c diff | blob | history
drivers/usb/serial/empeg.c diff | blob | history
drivers/usb/serial/garmin_gps.c diff | blob | history
drivers/usb/serial/io_edgeport.c diff | blob | history
drivers/usb/serial/io_ti.c diff | blob | history
drivers/usb/serial/ipaq.c diff | blob | history
drivers/usb/serial/ipw.c diff | blob | history
drivers/usb/serial/ir-usb.c diff | blob | history
drivers/usb/serial/kl5kusb105.c diff | blob | history
drivers/usb/serial/kobil_sct.c diff | blob | history
drivers/usb/serial/mos7720.c diff | blob | history
drivers/usb/serial/mos7840.c diff | blob | history
drivers/usb/serial/navman.c diff | blob | history
drivers/usb/serial/opticon.c diff | blob | history
drivers/usb/serial/option.c diff | blob | history
drivers/usb/serial/pl2303.c diff | blob | history
drivers/usb/serial/sierra.c diff | blob | history
drivers/usb/serial/spcp8x5.c diff | blob | history
drivers/usb/serial/symbolserial.c diff | blob | history
drivers/usb/serial/ti_usb_3410_5052.c diff | blob | history
drivers/usb/serial/visor.c diff | blob | history
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