On Wed, Mar 05, 2025 at 02:04:07PM +0100, Jens Wiklander wrote: > 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@xxxxxxxxxx> > --- > drivers/tee/tee_core.c | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Sumit Garg <sumit.garg@xxxxxxxxxx> -Sumit > 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); > > -- > 2.43.0 >
