If a parent device is supplied to tee_device_alloc(), copy the dma_mask field into the new device. This avoids future warnings when mapping a DMA-buf for the device.
Signed-off-by: Jens Wiklander jens.wiklander@linaro.org Reviewed-by: Sumit Garg sumit.garg@kernel.org --- drivers/tee/tee_core.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index d113679b1e2d..685afcaa3ea1 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -922,6 +922,8 @@ struct tee_device *tee_device_alloc(const struct tee_desc *teedesc, teedev->dev.class = &tee_class; teedev->dev.release = tee_release_device; teedev->dev.parent = dev; + if (dev) + teedev->dev.dma_mask = dev->dma_mask;
teedev->dev.devt = MKDEV(MAJOR(tee_devt), teedev->id);