zd1211rw: move async iowrite16v up to callers

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Writing beacon to device happen through multiple write command calls.
zd_usb_iowrite16v uses synchronous urb call and with multiple write
commands in row causes high CPU usage.

Make asynchronous zd_usb_iowrite16v_async available outside zd_usb.c
and use where possible.

This lower CPU usage from ~10% to ~2% on Intel Atom when running
AP-mode with 100 TU beacon interval.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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This commit is contained in:

Jussi Kivilinna 2011-02-12 20:43:42 +02:00 • committed by John W. Linville

parent eefdbec1ea

commit 8662b2518f

3 changed files with 37 additions and 13 deletions

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35

drivers/net/wireless/zd1211rw/zd_chip.c

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11

drivers/net/wireless/zd1211rw/zd_usb.c

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4

drivers/net/wireless/zd1211rw/zd_usb.h

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