Re: [PATCH 0/5] mfd: replace IORESOURCE_IO by IORESOURCE_MEM

Haojian Zhuang
2012-08-06T14:42:15Z

On Mon, Aug 6, 2012 at 10:30 PM, Mark Brown
<broonie@opensource.wolfsonmicro.com> wrote:
> On Mon, Aug 06, 2012 at 12:32:48AM +0800, Haojian Zhuang wrote:
>
>> Since IORESOURCE_IO is used for PCI devices, it doesn't fit on
>> 88PM860x PMIC device that lies on I2C bus. So use IORESOURCE_MEM
>> instead.
>
> This isn't much more appropriate - _MEM is for memory ranges so isn't
> directly relevant to register addresses either. If anything _IO is
> slightly nearer.

I use register resource to distinguish different components now. For
example, component driver
needs to access the registers in PMIC. These registers offsets are set
in 88pm860x-core.c.
So I think that it may not be called _IO.

Regards
Haojian