Require the Bound device context to be able to create new
dma::CoherentAllocation instances.
DMA memory allocations are only valid to be created for bound devices.
Signed-off-by: Danilo Krummrich <dakr@xxxxxxxxxx>
---
rust/kernel/dma.rs | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/rust/kernel/dma.rs b/rust/kernel/dma.rs
index 8cdc76043ee7..605e01e35715 100644
--- a/rust/kernel/dma.rs
+++ b/rust/kernel/dma.rs
@@ -6,7 +6,7 @@
use crate::{
bindings, build_assert,
- device::Device,
+ device::{Bound, Device},
error::code::*,
error::Result,
transmute::{AsBytes, FromBytes},
@@ -22,10 +22,10 @@
/// # Examples
///
/// ```
-/// use kernel::device::Device;
+/// # use kernel::device::{Bound, Device};
/// use kernel::dma::{attrs::*, CoherentAllocation};
///
-/// # fn test(dev: &Device) -> Result {
+/// # fn test(dev: &Device<Bound>) -> Result {
/// let attribs = DMA_ATTR_FORCE_CONTIGUOUS | DMA_ATTR_NO_WARN;
/// let c: CoherentAllocation<u64> =
/// CoherentAllocation::alloc_attrs(dev, 4, GFP_KERNEL, attribs)?;
@@ -143,16 +143,16 @@ impl<T: AsBytes + FromBytes> CoherentAllocation<T> {
/// # Examples
///
/// ```
- /// use kernel::device::Device;
+ /// # use kernel::device::{Bound, Device};
/// use kernel::dma::{attrs::*, CoherentAllocation};
///
- /// # fn test(dev: &Device) -> Result {
+ /// # fn test(dev: &Device<Bound>) -> Result {
/// let c: CoherentAllocation<u64> =
/// CoherentAllocation::alloc_attrs(dev, 4, GFP_KERNEL, DMA_ATTR_NO_WARN)?;
/// # Ok::<(), Error>(()) }
/// ```
pub fn alloc_attrs(
- dev: &Device,
+ dev: &Device<Bound>,
count: usize,
gfp_flags: kernel::alloc::Flags,
dma_attrs: Attrs,
@@ -194,7 +194,7 @@ pub fn alloc_attrs(
/// Performs the same functionality as [`CoherentAllocation::alloc_attrs`], except the
/// `dma_attrs` is 0 by default.
pub fn alloc_coherent(
- dev: &Device,
+ dev: &Device<Bound>,
count: usize,
gfp_flags: kernel::alloc::Flags,
) -> Result<CoherentAllocation<T>> {
--
2.49.0
