On 1/10/08, Timur Tabi <[EMAIL PROTECTED]> wrote: > Grant Likely wrote: > > > Does the driver access the DMA and GUTS registers directly? If so, > > what do you have to protect against race conditions of other drivers > > accessing them also. > > I don't have any more protection than any other driver that accesses SOC > registers directly. Last I heard, Zhang's DMA driver was in limbo, and that > driver would be the best place to arbitrate DMA register access. I was > planning > on adding arbitration support to that driver after both drivers were applied.
That sounds appropriate > > As for the GUTS driver, well, I just program a few registers at startup, and I > don't think any other driver touches them. Okay; at some point in the future they'll need to be accessed from a common routine too. g. -- Grant Likely, B.Sc., P.Eng. Secret Lab Technologies Ltd. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
