zd1211rw: add TX watchdog and device resetting

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When doing transfers at high speed for long time, tx queue can freeze. So add
tx watchdog. TX-watchdog checks for locked tx-urbs and reset hardware when
such is detected. Merely unlinking urb was not enough, device have to be
reseted. Hw settings are restored so that any open link will stay on after
reset.

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 2011-01-31 20:49:52 +02:00 • committed by John W. Linville

parent 212e1a5b9d

commit a0fd751f09

5 changed files with 181 additions and 4 deletions

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2

drivers/net/wireless/zd1211rw/zd_chip.c

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8

drivers/net/wireless/zd1211rw/zd_mac.c

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2

drivers/net/wireless/zd1211rw/zd_mac.h

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161

drivers/net/wireless/zd1211rw/zd_usb.c

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12

drivers/net/wireless/zd1211rw/zd_usb.h

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