On Tue, Sep 13, 2016 at 07:59:50PM -0700, Peng Sun wrote: > Signed-off-by: Peng Sun <sironhide0n...@gmail.com> > --- > drivers/staging/slicoss/slic.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h > index fe1d2ce..7c23190 100644 > --- a/drivers/staging/slicoss/slic.h > +++ b/drivers/staging/slicoss/slic.h > @@ -539,6 +539,13 @@ static inline void slic_flush_write(struct adapter > *adapter) > ioread32(adapter->regs + SLIC_REG_HOSTID); > } > > +#define IOMEM_GET_FIELDADDR(base, member) \ > +({ \ > + char __iomem *_base = (char __iomem *)base; \ > + _base += offsetof(typeof(*base), member); \ > + (void __iomem *)_base; \ > +}) > + > #define UPDATE_STATS(largestat, newstat, oldstat) \ > { \ > if ((newstat) < (oldstat)) \ > -- > 2.7.4
Wait, what does this patch on its own do? Why create this macro? greg k-h