@@ -97,21 +97,6 @@ struct Th1520PwmDriverData {
clk: Clk,
}
-// This `unsafe` implementation is a temporary necessity because the underlying `kernel::clk::Clk`
-// type does not yet expose `Send` and `Sync` implementations. This block should be removed
-// as soon as the clock abstraction provides these guarantees directly.
-// TODO: Remove those unsafe impl's when Clk will support them itself.
-
-// SAFETY: The `devres` framework requires the driver's private data to be `Send` and `Sync`.
-// We can guarantee this because the PWM core synchronizes all callbacks, preventing concurrent
-// access to the contained `iomem` and `clk` resources.
-unsafe impl Send for Th1520PwmDriverData {}
-
-// SAFETY: The same reasoning applies as for `Send`. The PWM core's synchronization
-// guarantees that it is safe for multiple threads to have shared access (`&self`)
-// to the driver data during callbacks.
-unsafe impl Sync for Th1520PwmDriverData {}
-
impl pwm::PwmOps for Th1520PwmDriverData {
type WfHw = Th1520WfHw;
Now that clk implements Send and Sync, we no longer need to manually implement these traits for Th1520PwmDriverData. Thus remove the implementations. Signed-off-by: Alice Ryhl <aliceryhl@google.com> --- drivers/pwm/pwm_th1520.rs | 15 --------------- 1 file changed, 15 deletions(-)