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authorCatalin Marinas <catalin.marinas@arm.com>2010-07-19 13:36:21 -0700
committerDavid S. Miller <davem@davemloft.net>2010-07-19 13:36:21 -0700
commit492c5d943d6a04b124ba3a719dc746dc36b14cfb (patch)
treeffaf0cac0c39af113bba21b9cb459accd64c5de8 /net/sched
parent90e1795b9b18ce47e95cd26028a9cfd0f4cc35ba (diff)
smsc911x: Add spinlocks around registers access
On SMP systems, the SMSC911x registers may be accessed by multiple CPUs and this seems to put the chip in an inconsistent state. The patch adds spinlocks to the smsc911x_reg_read, smsc911x_reg_write, smsc911x_rx_readfifo and smsc911x_tx_writefifo functions. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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