| Message ID | 20250305130634.1850178-2-jens.wiklander@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | TEE subsystem for restricted dma-buf allocations | expand |
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@linaro.org> > --- > drivers/tee/tee_core.c | 2 ++ > 1 file changed, 2 insertions(+) > Reviewed-by: Sumit Garg <sumit.garg@kernel.org> -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 >
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);
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> --- drivers/tee/tee_core.c | 2 ++ 1 file changed, 2 insertions(+)