On Sun, 25 Sep 2016, Christoph Hellwig wrote:
> On Sun, Sep 25, 2016 at 09:39:20PM +0200, Ondrej Zary wrote:
>
> > #define NCR5380_read(reg) \
> > + ioread8(((struct NCR5380_hostdata *)shost_priv(instance))->iomem + \
> > + ((struct NCR5380_hostdata *)shost_priv(instance))->offset + \
> > + (reg))
> > #define NCR5380_write(reg, value) \
> > - outb(value, instance->io_port + (reg))
> > + iowrite8(value, ((struct NCR5380_hostdata *)shost_priv(instance))->iomem + \
> > + ((struct NCR5380_hostdata *)shost_priv(instance))->offset + \
> > + (reg))
>
> Can we make these #defines point to inline helper functions that avoid
> the casting magic, e.g. something like
>
> static inline void g_NCR5380_write(struct Scsi_Host *instance, u32 reg,
> u8 value)
> {
> struct NCR5380_hostdata *host = shost_priv(instance);
>
> iowrite8(value, host->iomem, host->offset + reg);
> }
>
> #define NCR5380_write(reg, value)
> g_NCR5380_write(instance, reg, value)
Let's not do that yet. I have a patch series that fixes the type casting
and related issues that I will post soon. I expect that Ondrej's patches
will be ready before mine are, so I'll rebase mine on this work before I
ask him to test my patches.
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