diff options
Diffstat (limited to 'rust/kernel/platform.rs')
| -rw-r--r-- | rust/kernel/platform.rs | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/rust/kernel/platform.rs b/rust/kernel/platform.rs index 2436f55b579b..86f9d73c64b3 100644 --- a/rust/kernel/platform.rs +++ b/rust/kernel/platform.rs @@ -37,12 +37,18 @@ unsafe impl<T: Driver + 'static> driver::RegistrationOps for Adapter<T> { None => core::ptr::null(), }; + let acpi_table = match T::ACPI_ID_TABLE { + Some(table) => table.as_ptr(), + None => core::ptr::null(), + }; + // SAFETY: It's safe to set the fields of `struct platform_driver` on initialization. unsafe { (*pdrv.get()).driver.name = name.as_char_ptr(); (*pdrv.get()).probe = Some(Self::probe_callback); (*pdrv.get()).remove = Some(Self::remove_callback); (*pdrv.get()).driver.of_match_table = of_table; + (*pdrv.get()).driver.acpi_match_table = acpi_table; } // SAFETY: `pdrv` is guaranteed to be a valid `RegType`. @@ -96,7 +102,7 @@ impl<T: Driver + 'static> driver::Adapter for Adapter<T> { } fn acpi_id_table() -> Option<acpi::IdTable<Self::IdInfo>> { - None + T::ACPI_ID_TABLE } } @@ -127,7 +133,7 @@ macro_rules! module_platform_driver { /// # Example /// ///``` -/// # use kernel::{bindings, c_str, device::Core, of, platform}; +/// # use kernel::{acpi, bindings, c_str, device::Core, of, platform}; /// /// struct MyDriver; /// @@ -140,9 +146,19 @@ macro_rules! module_platform_driver { /// ] /// ); /// +/// kernel::acpi_device_table!( +/// ACPI_TABLE, +/// MODULE_ACPI_TABLE, +/// <MyDriver as platform::Driver>::IdInfo, +/// [ +/// (acpi::DeviceId::new(c_str!("LNUXBEEF")), ()) +/// ] +/// ); +/// /// impl platform::Driver for MyDriver { /// type IdInfo = (); /// const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = Some(&OF_TABLE); +/// const ACPI_ID_TABLE: Option<acpi::IdTable<Self::IdInfo>> = Some(&ACPI_TABLE); /// /// fn probe( /// _pdev: &platform::Device<Core>, @@ -164,6 +180,9 @@ pub trait Driver: Send { /// The table of OF device ids supported by the driver. const OF_ID_TABLE: Option<of::IdTable<Self::IdInfo>> = None; + /// The table of ACPI device ids supported by the driver. + const ACPI_ID_TABLE: Option<acpi::IdTable<Self::IdInfo>> = None; + /// Platform driver probe. /// /// Called when a new platform device is added or discovered. |