Messages in this thread | | | Date | Wed, 23 Jan 2013 11:49:16 +0100 | From | Lars-Peter Clausen <> | Subject | Re: [PATCH] clk: Add axi-clkgen driver |
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On 01/23/2013 11:27 AM, Russell King - ARM Linux wrote: > On Wed, Jan 23, 2013 at 11:00:56AM +0100, Lars-Peter Clausen wrote: >> I think I read somewhere at some point that ioread{8,16,32} is preferred >> over write{b,h,l} in new code. > > But... there's *no* point using ioread*() if you don't only use the > ioremap() interface. > > ioread*() is there to allow PC IO and PC MMIO accesses through one > accessor depending on the cookie. ioremap() only ever returns cookies > for MMIO accesses.
So your point is, if you know that it is MMIO memory only ever use readl and friends?
- Lars
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