6 files changed, 11 insertions, 12 deletions
diff --git a/drivers/block/rnull.rs b/drivers/block/rnull.rs
index d07e76ae2c13..6366da12c5a5 100644
--- a/drivers/block/rnull.rs
+++ b/drivers/block/rnull.rs
@@ -51,7 +51,7 @@ impl kernel::InPlaceModule for NullBlkModule {
                 .logical_block_size(4096)?
                 .physical_block_size(4096)?
                 .rotational(false)
-                .build(format_args!("rnullb{}", 0), tagset)
+                .build(fmt!("rnullb{}", 0), tagset)
         })();
 
         try_pin_init!(Self {
diff --git a/drivers/gpu/drm/drm_panic_qr.rs b/drivers/gpu/drm/drm_panic_qr.rs
index 50c286c5cee8..ac27e86c601c 100644
--- a/drivers/gpu/drm/drm_panic_qr.rs
+++ b/drivers/gpu/drm/drm_panic_qr.rs
@@ -968,7 +968,7 @@ pub unsafe extern "C" fn drm_panic_qr_generate(
         // nul-terminated string.
         let url_cstr: &CStr = unsafe { CStr::from_char_ptr(url) };
         let segments = &[
-            &Segment::Binary(url_cstr.as_bytes()),
+            &Segment::Binary(url_cstr.to_bytes()),
             &Segment::Numeric(&data_slice[0..data_len]),
         ];
         match EncodedMsg::new(segments, tmp_slice) {
diff --git a/drivers/gpu/nova-core/fb.rs b/drivers/gpu/nova-core/fb.rs
index 4a702525fff4..e4dc74f2f90a 100644
--- a/drivers/gpu/nova-core/fb.rs
+++ b/drivers/gpu/nova-core/fb.rs
@@ -3,6 +3,7 @@
 use core::ops::Range;
 
 use kernel::prelude::*;
+use kernel::ptr::{Alignable, Alignment};
 use kernel::sizes::*;
 use kernel::types::ARef;
 use kernel::{dev_warn, device};
@@ -130,10 +131,9 @@ impl FbLayout {
         };
 
         let frts = {
-            const FRTS_DOWN_ALIGN: u64 = SZ_128K as u64;
+            const FRTS_DOWN_ALIGN: Alignment = Alignment::new::<SZ_128K>();
             const FRTS_SIZE: u64 = SZ_1M as u64;
-            // TODO[NUMM]: replace with `align_down` once it lands.
-            let frts_base = (vga_workspace.start & !(FRTS_DOWN_ALIGN - 1)) - FRTS_SIZE;
+            let frts_base = vga_workspace.start.align_down(FRTS_DOWN_ALIGN) - FRTS_SIZE;
 
             frts_base..frts_base + FRTS_SIZE
         };
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
index b5c9786619a9..600cc90b5fab 100644
--- a/drivers/gpu/nova-core/gpu.rs
+++ b/drivers/gpu/nova-core/gpu.rs
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 
-use kernel::{device, devres::Devres, error::code::*, pci, prelude::*, sync::Arc};
+use kernel::{device, devres::Devres, error::code::*, fmt, pci, prelude::*, sync::Arc};
 
 use crate::driver::Bar0;
 use crate::falcon::{gsp::Gsp, sec2::Sec2, Falcon};
@@ -12,7 +12,6 @@ use crate::gfw;
 use crate::regs;
 use crate::util;
 use crate::vbios::Vbios;
-use core::fmt;
 
 macro_rules! define_chipset {
     ({ $($variant:ident = $value:expr),* $(,)* }) =>
diff --git a/drivers/gpu/nova-core/regs/macros.rs b/drivers/gpu/nova-core/regs/macros.rs
index a3e6de1779d4..6b9df4205f46 100644
--- a/drivers/gpu/nova-core/regs/macros.rs
+++ b/drivers/gpu/nova-core/regs/macros.rs
@@ -149,10 +149,10 @@ macro_rules! register {
 
         // TODO[REGA]: display the raw hex value, then the value of all the fields. This requires
         // matching the fields, which will complexify the syntax considerably...
-        impl ::core::fmt::Debug for $name {
-            fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result {
+        impl ::kernel::fmt::Debug for $name {
+            fn fmt(&self, f: &mut ::kernel::fmt::Formatter<'_>) -> ::kernel::fmt::Result {
                 f.debug_tuple(stringify!($name))
-                    .field(&format_args!("0x{0:x}", &self.0))
+                    .field(&::kernel::prelude::fmt!("0x{0:x}", &self.0))
                     .finish()
             }
         }
diff --git a/drivers/gpu/nova-core/vbios.rs b/drivers/gpu/nova-core/vbios.rs
index 5b5d9f38cbb3..091642d6a5a1 100644
--- a/drivers/gpu/nova-core/vbios.rs
+++ b/drivers/gpu/nova-core/vbios.rs
@@ -10,6 +10,7 @@ use kernel::device;
 use kernel::error::Result;
 use kernel::pci;
 use kernel::prelude::*;
+use kernel::ptr::{Alignable, Alignment};
 
 /// The offset of the VBIOS ROM in the BAR0 space.
 const ROM_OFFSET: usize = 0x300000;
@@ -177,8 +178,7 @@ impl<'a> Iterator for VbiosIterator<'a> {
 
         // Advance to next image (aligned to 512 bytes).
         self.current_offset += image_size;
-        // TODO[NUMM]: replace with `align_up` once it lands.
-        self.current_offset = self.current_offset.next_multiple_of(512);
+        self.current_offset = self.current_offset.align_up(Alignment::new::<512>())?;
 
         Some(Ok(full_image))
     }