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b43: Use 64bit atomic register access for TSF
authorMichael Buesch <mb@bu3sch.de>
Fri, 19 Dec 2008 21:51:57 +0000 (22:51 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Thu, 29 Jan 2009 20:58:33 +0000 (15:58 -0500)
commit3ebbbb56a162b8f9b9a77bc7810b9d4e0868e039
tree0d4a7c60d8cdee68878a97bbc4b9d358396f7ba3tree | snapshot
parente808e586b77a10949e209f8a00cb8bf27e51df12commit | diff
b43: Use 64bit atomic register access for TSF

On modern b43 devices with core rev >=3, the hardware guarantees us an
atomic 64bit read/write of the TSF, if we access the lower 32bits first.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
drivers/net/wireless/b43/main.c diff | blob | history
Domain: System / Kernel;