1 files changed, 0 insertions, 54 deletions
diff --git a/drivers/gpu/nova-core/dma.rs b/drivers/gpu/nova-core/dma.rs
deleted file mode 100644
index 7215398969da..000000000000
--- a/drivers/gpu/nova-core/dma.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-//! Simple DMA object wrapper.
-
-use core::ops::{
-    Deref,
-    DerefMut, //
-};
-
-use kernel::{
-    device,
-    dma::CoherentAllocation,
-    page::PAGE_SIZE,
-    prelude::*, //
-};
-
-pub(crate) struct DmaObject {
-    dma: CoherentAllocation<u8>,
-}
-
-impl DmaObject {
-    pub(crate) fn new(dev: &device::Device<device::Bound>, len: usize) -> Result<Self> {
-        let len = core::alloc::Layout::from_size_align(len, PAGE_SIZE)
-            .map_err(|_| EINVAL)?
-            .pad_to_align()
-            .size();
-        let dma = CoherentAllocation::alloc_coherent(dev, len, GFP_KERNEL | __GFP_ZERO)?;
-
-        Ok(Self { dma })
-    }
-
-    pub(crate) fn from_data(dev: &device::Device<device::Bound>, data: &[u8]) -> Result<Self> {
-        Self::new(dev, data.len()).and_then(|mut dma_obj| {
-            // SAFETY: We have just allocated the DMA memory, we are the only users and
-            // we haven't made the device aware of the handle yet.
-            unsafe { dma_obj.write(data, 0)? }
-            Ok(dma_obj)
-        })
-    }
-}
-
-impl Deref for DmaObject {
-    type Target = CoherentAllocation<u8>;
-
-    fn deref(&self) -> &Self::Target {
-        &self.dma
-    }
-}
-
-impl DerefMut for DmaObject {
-    fn deref_mut(&mut self) -> &mut Self::Target {
-        &mut self.dma
-    }
-}