linux-next: build failure after merge of the driver-core tree

[Stephen Rothwell]

Hi all,

After merging the driver-core tree, today's linux-next build (x86_64
allmodconfig) failed like this:

error[E0599]: no method named `readl` found for reference `&Bar<8>` in the current scope
  --> drivers/gpu/nova-core/regs.rs:38:18
   |
38 |         Self(bar.readl(BOOT0_OFFSET))
   |                  ^^^^^
   |
help: there is a method `read8` with a similar name
   |
38 |         Self(bar.read8(BOOT0_OFFSET))
   |                  ~~~~~

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0599`.

Caused by commit

  354fd6e86fac ("rust: io: rename `io::Io` accessors")

interacting with commit

  54e6baf123fd ("gpu: nova-core: add initial driver stub")

from the drm-nova tree.

I applied the following merge fix patch for today.

From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Date: Wed, 12 Mar 2025 21:36:48 +1100
Subject: [PATCH] fix up for "rust: io: rename `io::Io` accessors"

interacting with "gpu: nova-core: add initial driver stub"

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/nova-core/regs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/nova-core/regs.rs b/drivers/gpu/nova-core/regs.rs
index 50aefb150b0b..b1a25b86ef17 100644
--- a/drivers/gpu/nova-core/regs.rs
+++ b/drivers/gpu/nova-core/regs.rs
@@ -35,7 +35,7 @@
 impl Boot0 {
     #[inline]
     pub(crate) fn read(bar: &Bar0) -> Self {
-        Self(bar.readl(BOOT0_OFFSET))
+        Self(bar.read32(BOOT0_OFFSET))
     }
 
     #[inline]
-- 
2.45.2

-- 
Cheers,
Stephen Rothwell

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