[lkml]   [2000]   [Nov]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: linux-2.4.0-test9
On Fri, Nov 03, 2000 at 10:12:31PM -0500, Jeff Garzik wrote:
> But if you are going to eliminate info->vxi_base, it seems like that
> would flush out all direct de-refs, whether they are buried in an
> obscure macro or not. And if you find all that crap, you might as well
> use readb/writel at that point...
> info->registers[0x7FF] = newvalue;
> becomes
> writel(newvalue, &info->registers[0x7FF]);
> and
> regval = info->registers[0x7FF];
> becomes
> regval = readl(&info->registers[0x7FF]);

Wasn't this the clean and recommended interface anyway?
(ref. IO-mapping.txt:150)

I hope this will be kept, because virtually all devices map[1] their
registers continously starting at a base address. It's easy to
access for the driver writer and easy to decode for the device.


Ingo Oeser

[1] If they don't map it in IO space, which I know is differently
accessed on some architectures.
Feel the power of the penguin - run linux@your.pc
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:45    [W:0.052 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site