On 4/11/2016 7:50 PM, Stuart Yoder wrote: > From: Horia Geanta <horia.geanta@xxxxxxx> > > dpseci objects < 4.0 are not coherent-- in spite of the fact > that the MC reports them to be coherent in certain versions. > Add a special case to set the no shareability flag for dpseci > objects < 4.0. > > Signed-off-by: Horia Geanta <horia.geanta@xxxxxxx> > (Stuart: reworded commit message, updated comment in patch) > Signed-off-by: Stuart Yoder <stuart.yoder@xxxxxxx> Do we really need this? First upstream dpsec driver will be for dpsec >= v4.0. Thanks, Horia > --- > drivers/staging/fsl-mc/bus/dprc-driver.c | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/drivers/staging/fsl-mc/bus/dprc-driver.c b/drivers/staging/fsl-mc/bus/dprc-driver.c > index 53c6e98..7fc4717 100644 > --- a/drivers/staging/fsl-mc/bus/dprc-driver.c > +++ b/drivers/staging/fsl-mc/bus/dprc-driver.c > @@ -312,6 +312,15 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, > continue; > } > > + /* > + * add a quirk for all versions of dpsec < 4.0...none > + * are coherent regardless of what the MC reports. > + */ > + if ((strcmp(obj_desc->type, "dpseci") == 0) && > + (obj_desc->ver_major < 4)) > + obj_desc->flags |= > + DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY; > + > irq_count += obj_desc->irq_count; > dev_dbg(&mc_bus_dev->dev, > "Discovered object: type %s, id %d\n", > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
