Messages in this thread |  | | Date | Mon, 2 Jul 2001 17:54:12 -0700 | | From | David Schleef <> | | Subject | Re: readl() / writel() on PowerPC |
| |
On Mon, Jul 02, 2001 at 08:22:55PM -0400, David T Eger wrote: > > I have been working on a driver for a PowerPC PCI card/framebuffer device, > and noticed that the standard readl() and writel() for this platform to > byte swapping, since PowerPC runs big-endian. However, at least for my > hardware it's *really* not needed, and should just do a regular load > store, as is done for CONFIG_APUS. Looking at another driver > (drivers/char/bttv.h) I notice that Mr. Metzler redefines his read and > write routines for PowerPC as well to do simple loads and stores to IO > regions.
I believe you are looking for __raw_readl(), __raw_writel().
dave...
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |