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authorAlexandre Courbot <acourbot@nvidia.com>2025-07-18 16:26:14 +0900
committerAlexandre Courbot <acourbot@nvidia.com>2025-08-15 12:02:55 +0900
commit9b2379f02423801d372bc588d38b62a1fa6cd05f (patch)
treecdf2d4664d3b4c66d6189b66694c70e13e1a3cb0 /drivers/gpu/nova-core
parentgpu: nova-core: register: fix documentation and indentation (diff)
downloadlinux-9b2379f02423801d372bc588d38b62a1fa6cd05f.tar.gz
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gpu: nova-core: register: add missing doccomments for fixed registers I/O accessors
Add the missing doccomments for these accessors, as having a bit of inline documentation is always helpful. Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Link: https://lore.kernel.org/r/20250718-nova-regs-v2-9-7b6a762aa1cd@nvidia.com Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Diffstat (limited to 'drivers/gpu/nova-core')
-rw-r--r--drivers/gpu/nova-core/regs/macros.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/nova-core/regs/macros.rs b/drivers/gpu/nova-core/regs/macros.rs
index 5b3a320de1d3..d5ce7cb67f21 100644
--- a/drivers/gpu/nova-core/regs/macros.rs
+++ b/drivers/gpu/nova-core/regs/macros.rs
@@ -300,6 +300,7 @@ macro_rules! register {
impl $name {
pub(crate) const OFFSET: usize = $offset;
+ /// Read the register from its address in `io`.
#[inline]
pub(crate) fn read<const SIZE: usize, T>(io: &T) -> Self where
T: ::core::ops::Deref<Target = ::kernel::io::Io<SIZE>>,
@@ -307,6 +308,7 @@ macro_rules! register {
Self(io.read32($offset))
}
+ /// Write the value contained in `self` to the register address in `io`.
#[inline]
pub(crate) fn write<const SIZE: usize, T>(self, io: &T) where
T: ::core::ops::Deref<Target = ::kernel::io::Io<SIZE>>,
@@ -314,6 +316,8 @@ macro_rules! register {
io.write32(self.0, $offset)
}
+ /// Read the register from its address in `io` and run `f` on its value to obtain a new
+ /// value to write back.
#[inline]
pub(crate) fn alter<const SIZE: usize, T, F>(
io: &T,