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Wed, 12 Mar 2025 13:20:47 -0400 (EDT) Date: Wed, 12 Mar 2025 18:20:45 +0100 From: Greg KH To: Stephen Rothwell Cc: Danilo Krummrich , Fiona Behrens , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build failure after merge of the driver-core tree Message-ID: <2025031235-trailside-unexpired-88c6@gregkh> References: <20250312220950.28ed9ad7@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250312220950.28ed9ad7@canb.auug.org.au> On Wed, Mar 12, 2025 at 10:09:50PM +1100, Stephen Rothwell wrote: > 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 > 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 > --- > 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 > Fix looks good to me, thanks! greg k-h