From: John Hubbard <jhubbard@nvidia.com>
To: Danilo Krummrich <dakr@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>
Cc: "Joel Fernandes" <joelagnelf@nvidia.com>,
"Timur Tabi" <ttabi@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Eliot Courtney" <ecourtney@nvidia.com>,
"Shashank Sharma" <shashanks@nvidia.com>,
"Zhi Wang" <zhiw@nvidia.com>, "David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <lossin@kernel.org>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
rust-for-linux@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 2/3] gpu: nova-core: fb: fix clippy::precedence warning in read_sysmem_flush_page_ga100()
Date: Sat, 4 Apr 2026 14:35:03 -0700 [thread overview]
Message-ID: <33128320-a33c-4020-89cf-9b8313b7d9fc@nvidia.com> (raw)
In-Reply-To: <20260404212831.78971-3-jhubbard@nvidia.com>
On 4/4/26 2:28 PM, John Hubbard wrote:
> Clippy warns when shifts and bitwise-OR are mixed without parentheses,
> because the relative precedence of << and | is easy to misread.
>
> Add explicit parentheses to silence the warning.
Please disregard (drop) this patch 2/3, because Miguel is removing
the associated lint, so we won't need it.
>
> Signed-off-by: John Hubbard <jhubbard@nvidia.com>
> ---
> drivers/gpu/nova-core/fb/hal/ga100.rs | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/nova-core/fb/hal/ga100.rs b/drivers/gpu/nova-core/fb/hal/ga100.rs
> index 1c03783cddef..b5d0f04198f0 100644
> --- a/drivers/gpu/nova-core/fb/hal/ga100.rs
> +++ b/drivers/gpu/nova-core/fb/hal/ga100.rs
> @@ -17,9 +17,10 @@
> struct Ga100;
>
> pub(super) fn read_sysmem_flush_page_ga100(bar: &Bar0) -> u64 {
> - u64::from(bar.read(regs::NV_PFB_NISO_FLUSH_SYSMEM_ADDR).adr_39_08()) << FLUSH_SYSMEM_ADDR_SHIFT
> - | u64::from(bar.read(regs::NV_PFB_NISO_FLUSH_SYSMEM_ADDR_HI).adr_63_40())
> - << FLUSH_SYSMEM_ADDR_SHIFT_HI
> + (u64::from(bar.read(regs::NV_PFB_NISO_FLUSH_SYSMEM_ADDR).adr_39_08())
> + << FLUSH_SYSMEM_ADDR_SHIFT)
> + | (u64::from(bar.read(regs::NV_PFB_NISO_FLUSH_SYSMEM_ADDR_HI).adr_63_40())
> + << FLUSH_SYSMEM_ADDR_SHIFT_HI)
> }
>
> pub(super) fn write_sysmem_flush_page_ga100(bar: &Bar0, addr: u64) {
thanks,
--
John Hubbard
next prev parent reply other threads:[~2026-04-04 21:35 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-04 21:28 [PATCH v2 0/3] Fix all clippy warnings in drm-rust-next John Hubbard
2026-04-04 21:28 ` [PATCH v2 1/3] gpu: nova-core: vbios: use from_le_bytes() for PCI ROM header parsing John Hubbard
2026-04-04 21:28 ` [PATCH v2 2/3] gpu: nova-core: fb: fix clippy::precedence warning in read_sysmem_flush_page_ga100() John Hubbard
2026-04-04 21:35 ` John Hubbard [this message]
2026-04-05 11:42 ` Alexandre Courbot
2026-04-05 12:13 ` Miguel Ojeda
2026-04-05 12:32 ` Danilo Krummrich
2026-04-06 0:38 ` Alexandre Courbot
2026-04-04 21:28 ` [PATCH v2 3/3] rust: ptr: allow clippy::incompatible_msrv for slice_ptr_len John Hubbard
2026-04-04 21:46 ` Miguel Ojeda
2026-04-04 21:49 ` John Hubbard
2026-04-05 23:22 ` Miguel Ojeda
2026-04-06 5:43 ` John Hubbard
2026-04-04 22:09 ` Gary Guo
2026-04-05 23:22 ` Miguel Ojeda
2026-04-05 15:16 ` [PATCH v2 0/3] Fix all clippy warnings in drm-rust-next Danilo Krummrich
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