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| author | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-09-21 10:37:34 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> | 2026-09-21 10:37:34 +0200 |
| commit | 2eb6210202de0f2ff52b9465a92cd2f4ee079af2 (patch) | |
| tree | 1622916ad7d6a07f7eb0cf2cf3d3d39b8982c6da /rust/kernel | |
| parent | 935ecc5c86c5ae2693b2fbff83fc1bd086a9c915 (diff) | |
| parent | 93f51579e7df248780214094418f205253383cc5 (diff) | |
| download | linux-next-2eb6210202de0f2ff52b9465a92cd2f4ee079af2.tar.gz linux-next-2eb6210202de0f2ff52b9465a92cd2f4ee079af2.zip | |
Merge tag 'v7.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into pwrseq/for-next
Linux 7.3-rc4
Diffstat (limited to 'rust/kernel')
| -rw-r--r-- | rust/kernel/net/phy.rs | 38 | ||||
| -rw-r--r-- | rust/kernel/num.rs | 9 | ||||
| -rw-r--r-- | rust/kernel/pci/irq.rs | 4 |
3 files changed, 29 insertions, 22 deletions
diff --git a/rust/kernel/net/phy.rs b/rust/kernel/net/phy.rs index 956cda573ddb..c4e7b1d6c6f4 100644 --- a/rust/kernel/net/phy.rs +++ b/rust/kernel/net/phy.rs @@ -123,39 +123,37 @@ impl Device { /// Gets the current link state. /// /// It returns true if the link is up. + #[inline] pub fn is_link_up(&self) -> bool { - const LINK_IS_UP: u64 = 1; - // TODO: the code to access to the bit field will be replaced with automatically - // generated code by bindgen when it becomes possible. - // SAFETY: The struct invariant ensures that we may access - // this field without additional synchronization. - let bit_field = unsafe { &(*self.0.get())._bitfield_1 }; - bit_field.get(14, 1) == LINK_IS_UP + let phydev = self.0.get().cast_const(); + // SAFETY: By the type invariant of `Device`, `phydev` points to a valid + // `struct phy_device`, and there is no concurrent write to this field. + let link = unsafe { bindings::phy_device::link_raw(phydev) }; + link == 1 } /// Gets the current auto-negotiation configuration. /// /// It returns true if auto-negotiation is enabled. + #[inline] pub fn is_autoneg_enabled(&self) -> bool { - // TODO: the code to access to the bit field will be replaced with automatically - // generated code by bindgen when it becomes possible. - // SAFETY: The struct invariant ensures that we may access - // this field without additional synchronization. - let bit_field = unsafe { &(*self.0.get())._bitfield_1 }; - bit_field.get(13, 1) == u64::from(bindings::AUTONEG_ENABLE) + let phydev = self.0.get().cast_const(); + // SAFETY: By the type invariant of `Device`, `phydev` points to a valid + // `struct phy_device`, and there is no concurrent write to this field. + let autoneg = unsafe { bindings::phy_device::autoneg_raw(phydev) }; + autoneg == bindings::AUTONEG_ENABLE } /// Gets the current auto-negotiation state. /// /// It returns true if auto-negotiation is completed. + #[inline] pub fn is_autoneg_completed(&self) -> bool { - const AUTONEG_COMPLETED: u64 = 1; - // TODO: the code to access to the bit field will be replaced with automatically - // generated code by bindgen when it becomes possible. - // SAFETY: The struct invariant ensures that we may access - // this field without additional synchronization. - let bit_field = unsafe { &(*self.0.get())._bitfield_1 }; - bit_field.get(15, 1) == AUTONEG_COMPLETED + let phydev = self.0.get().cast_const(); + // SAFETY: By the type invariant of `Device`, `phydev` points to a valid + // `struct phy_device`, and there is no concurrent write to this field. + let completed = unsafe { bindings::phy_device::autoneg_complete_raw(phydev) }; + completed == 1 } /// Sets the speed of the PHY. diff --git a/rust/kernel/num.rs b/rust/kernel/num.rs index dbe848e30efe..de589792a77a 100644 --- a/rust/kernel/num.rs +++ b/rust/kernel/num.rs @@ -15,9 +15,14 @@ pub enum Unsigned {} /// Designates signed primitive types. pub enum Signed {} +mod private { + pub trait Sealed {} +} + /// Describes core properties of integer types. pub trait Integer: - Sized + private::Sealed + + Sized + Copy + Clone + PartialEq @@ -56,6 +61,8 @@ pub trait Integer: macro_rules! impl_integer { ($($type:ty: $signedness:ty), *) => { $( + impl private::Sealed for $type {} + impl Integer for $type { type Signedness = $signedness; diff --git a/rust/kernel/pci/irq.rs b/rust/kernel/pci/irq.rs index 6741046ec1c0..22e2cdf82a21 100644 --- a/rust/kernel/pci/irq.rs +++ b/rust/kernel/pci/irq.rs @@ -151,8 +151,10 @@ impl<'a> IrqVectorRegistration<'a> { /// [`Self::len()`]. #[inline] pub fn index(&self, index: usize) -> Result<IrqVector<'_>> { + let index = u32::try_from(index)?; + // SAFETY: `self.dev.as_raw()` is a valid pointer to a `struct pci_dev`. - let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index as u32) }; + let irq = unsafe { bindings::pci_irq_vector(self.dev.as_raw(), index) }; if irq < 0 { return Err(Error::from_errno(irq)); } |
