[TG3]: Refine nvram locking

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Add nvram lock count so that calls to tg3_nvram_lock()/unlock() can
be nested. Add error checking to all callers of tg3_nvram_lock()
where appropriate. To prevent nvram lock failures after halting the
firmware, it is also necessary to release firmware's nvram lock in
tg3_halt_cpu().

Update version to 3.48.

Based on David Miller's initial patch.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Michael Chan 2006-01-17 02:40:55 -08:00 • committed by David S. Miller

parent f0daaa654a

commit ec41c7dfd5

2 changed files with 55 additions and 28 deletions

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82

drivers/net/tg3.c

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1

drivers/net/tg3.h

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