On Tuesday 05 February 2013, Michal Simek wrote: > I want to be sure about this. I have parsed this again with closer look and > seems to me that ioread32 is equal to readl and iowrite32 to writel. > Arnd: Am I right?
Correct. On all the architectures you care about (most importantly, not x86), readl and ioread32 are defined to have the same semantics. There are a few exceptions where ioread32 provides a wrapper for PCI PIO accesses that are not memory mapped, making ioread32 slightly slower than readl, but for all practical purposes you don't have to worry about it ;-) Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/