Messages in this thread | | | From | Juergen Beisert <> | Subject | Re: Linux UIO driver cache problem in PowerPC (fix) | Date | Fri, 14 Mar 2008 08:41:33 +0100 |
| |
On Thursday 13 March 2008 22:53, Grant Likely wrote: > On Thu, Mar 13, 2008 at 1:19 AM, Hans-Jürgen Koch <hjk@linutronix.de> wrote: > > Am Wed, 12 Mar 2008 15:22:59 -0400 > > > > schrieb "Jean-Samuel Chenard" <jsamch@gmail.com>: > > > Hi, > > > > Hi Jean-Samuel, > > thanks for your report. Please CC LKML if you find bugs like this. I > > also added Grant Likely (PPC Xilinx Virtex maintainer), as it seems to > > be a platform specific problem. > > Hmmm. I'm not a memory handling expert so I don't know what's going > on here. Josh, does this look like anything that would be ppc405 > related?
The UIO also doesn't work on a MPC5200 CPU. With the additional pgprot_noncached() call now it works as expected.
Juergen -- 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/
| |