tg3: Create critical section around GPIO toggling

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The code that performs the power source switching will need to consider
the status of the other devices before making any switches.  The status
updates and power source switching will need to be an atomic operation,
so a critical section will be needed.  This patch establishes the
critical section through a CPMU mutex.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Matt Carlson 2011-07-13 09:27:31 +00:00 • committed by David S. Miller

parent 69f11c9936

commit 6f5c8f8317

2 changed files with 53 additions and 11 deletions

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63

drivers/net/tg3.c

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1

drivers/net/tg3.h

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