Re: [PATCH take #5] [libata] libata driver for bf548 on chip ATAPI controller.

From: Mike Frysinger
Date: Thu Aug 16 2007 - 12:27:48 EST


On 8/16/07, Jeff Garzik <jeff@xxxxxxxxxx> wrote:
> Sonic Zhang wrote:
> > +static void bfin_set_piomode(struct ata_port *ap, struct ata_device *adev)
> > +{
> > + int mode = adev->pio_mode - XFER_PIO_0;
> > + unsigned long base = (unsigned long)ap->ioaddr.ctl_addr;
>
>
> (added Bryan Wu to CC)
>
> Someone needs to need fix the bfin architecture: the addresses on the
> bfin_read/bfin_write functions should be 'void __iomem *' not unsigned long.

there are no address pointers anymore, so there is nothing to cast ...
the bfin_read/bfin_write macros are done in sexy asm:
#define bfin_write8(addr,val) __asm__ __volatile__("b[%0] = %1;" ::
"a"(addr), "d"(val))
or i'm misunderstanding what you mean ...

where do you see (unsigned long) ?
-mike
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