[PATCH] ARM: mvebu: Fix bug in coherency fabric low level init function

[Jason Cooper]

On Thu, May 23, 2013 at 10:54:02AM +0200, Gregory CLEMENT wrote:
> From: Nadav Haklai <nadavh at marvell.com>
> 
> When adding CPU to the SMP group and enabling the coherency on this
> CPU we must protect the register access.
> The previous implementation claims to be atomic but doesn't provide
> any protection against parallel access to the coherency fabric control
> and configuration registers.
> 
> This patch fixes this by using the ldrex and strex mechanism.
> This method should be used in all accesses to those registers.
> 
> [gregory.clement at free-electrons.com: fixed the commit's topic]
> Signed-off-by: Nadav Haklai <nadavh at marvell.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> ---
>  arch/arm/mach-mvebu/coherency_ll.S | 16 +++++++++++-----
>  1 file changed, 11 insertions(+), 5 deletions(-)

Applied to mvebu/fixes

thx,

Jason.