Provide .dma_configure() callback to make reserved-memory work for FFA devices.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org --- drivers/firmware/arm_ffa/bus.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index ca526e438e71..e7fd25ba71a4 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -110,12 +110,21 @@ static struct attribute *ffa_device_attributes_attrs[] = { }; ATTRIBUTE_GROUPS(ffa_device_attributes);
+static int ffa_Device_dma_configure(struct device *dev) +{ + if (dev->of_node) + return of_dma_configure(dev, dev->of_node, true); + + return 0; +} + const struct bus_type ffa_bus_type = { .name = "arm_ffa", .match = ffa_device_match, .probe = ffa_device_probe, .remove = ffa_device_remove, .uevent = ffa_device_uevent, + .dma_configure = ffa_Device_dma_configure, .dev_groups = ffa_device_attributes_groups, }; EXPORT_SYMBOL_GPL(ffa_bus_type);