[U-Boot] [PATCH] powerpc/85xx: Fix synchronization of timebase on MP boot

Kumar Gala galak at kernel.crashing.org
Tue Mar 15 07:36:15 CET 2011


On Mar 15, 2011, at 1:25 AM, Kumar Gala wrote:

> There is a small ordering issue in the master core in that we need to
> make sure the disabling of the timebase in the SoC is visible before we
> set the value to 0.  We can simply just read back the value to
> synchronizatize the write, before we set TB to 0.
> 
> Reported-by: Dan Hettena
> Tested-by: Dan Hettena
> Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
> ---
> arch/powerpc/cpu/mpc85xx/mp.c |    9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)

applied

- k


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