gpu: nova-core: gsp: replace ARef<Device> with &'a Device in sequencer

GspSequencer, GspSeqIter, and GspSequencerParams are already
lifetime-parameterized; the ARef<Device> is unnecessary -- a plain
&'a Device reference suffices.

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Tested-by: Alexandre Courbot <acourbot@nvidia.com>
Link: https://patch.msgid.link/20260525225838.276108-5-dakr@kernel.org
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

2 files changed, 6 insertions, 7 deletions

diff --git a/drivers/gpu/nova-core/gsp/boot.rs b/drivers/gpu/nova-core/gsp/boot.rs
index df105ef4b371..3e8f9611d2b3 100644
--- a/drivers/gpu/nova-core/gsp/boot.rs
+++ b/drivers/gpu/nova-core/gsp/boot.rs
@@ -234,7 +234,7 @@ impl super::Gsp {
             libos_dma_handle: libos_handle,
             gsp_falcon,
             sec2_falcon,
-            dev: pdev.as_ref().into(),
+            dev,
             bar,
         };
         GspSequencer::run(&self.cmdq, seq_params)?;
diff --git a/drivers/gpu/nova-core/gsp/sequencer.rs b/drivers/gpu/nova-core/gsp/sequencer.rs
index 474e4c8021db..b3015483ed17 100644
--- a/drivers/gpu/nova-core/gsp/sequencer.rs
+++ b/drivers/gpu/nova-core/gsp/sequencer.rs
@@ -11,7 +11,6 @@ use kernel::{
         Io, //
     },
     prelude::*,
-    sync::aref::ARef,
     time::{
         delay::fsleep,
         Delta, //
@@ -142,7 +141,7 @@ pub(crate) struct GspSequencer<'a> {
     /// Bootloader application version.
     bootloader_app_version: u32,
     /// Device for logging.
-    dev: ARef<device::Device>,
+    dev: &'a device::Device,
 }
 
 impl fw::RegWritePayload {
@@ -281,7 +280,7 @@ pub(crate) struct GspSeqIter<'a> {
     /// Number of commands processed so far.
     cmds_processed: u32,
     /// Device for logging.
-    dev: ARef<device::Device>,
+    dev: &'a device::Device,
 }
 
 impl<'a> Iterator for GspSeqIter<'a> {
@@ -309,7 +308,7 @@ impl<'a> Iterator for GspSeqIter<'a> {
             self.cmd_data.len() - offset
         };
         buffer[..copy_len].copy_from_slice(&self.cmd_data[offset..offset + copy_len]);
-        let cmd_result = GspSeqCmd::new(&buffer, &self.dev);
+        let cmd_result = GspSeqCmd::new(&buffer, self.dev);
 
         cmd_result.map_or_else(
             |_err| {
@@ -334,7 +333,7 @@ impl<'a> GspSequencer<'a> {
             current_offset: 0,
             total_cmds: self.seq_info.cmd_index,
             cmds_processed: 0,
-            dev: self.dev.clone(),
+            dev: self.dev,
         }
     }
 }
@@ -350,7 +349,7 @@ pub(crate) struct GspSequencerParams<'a> {
     /// SEC2 falcon for core operations.
     pub(crate) sec2_falcon: &'a Falcon<Sec2>,
     /// Device for logging.
-    pub(crate) dev: ARef<device::Device>,
+    pub(crate) dev: &'a device::Device,
     /// BAR0 for register access.
     pub(crate) bar: &'a Bar0,
 }