Valentine Barshak e8318d98e9
[POWERPC] 4xx: PCIe indirect DCR spinlock fix. ...
Since we have mfdcri() and mtdcri() as macros, we can't use constructions,
such as "mtdcri(base, reg, mfdcri(base, reg) | val)". In this case the
mfdcri() stuff is not evaluated first. It's evaluated inside the mtdcri()
macro and we have the dcr_ind_lock spinlock acquired twice.
To avoid this error, I've added __mfdcri()/__mtdcri() inline functions that
take the lock after register name fix-up.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com >
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org >
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com >
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