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> --- 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", -- 1.7.9.5 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
