Messages in this thread | | | Date | Mon, 6 Aug 2012 22:42:12 +0800 | Subject | Re: [PATCH 0/5] mfd: replace IORESOURCE_IO by IORESOURCE_MEM | From | Haojian Zhuang <> |
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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
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