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Remove unnecessary use of atomic-polyfill.

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Only use it when CAS is actually needed.
This commit is contained in:
Dario Nieuwenhuis
2022-12-23 20:46:49 +01:00
parent cd9a65ba39
commit 10c9cc31b1
15 changed files with 22 additions and 28 deletions
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5
embassy-stm32/src/i2c/v2.rs
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@ -1,8 +1,8 @@
use core::cmp;
use core::future::poll_fn;
use core::sync::atomic::{AtomicUsize, Ordering};
use core::task::Poll;
use atomic_polyfill::{AtomicUsize, Ordering};
use embassy_embedded_hal::SetConfig;
use embassy_hal_common::drop::OnDrop;
use embassy_hal_common::{into_ref, PeripheralRef};
@ -131,7 +131,8 @@ impl<'d, T: Instance, TXDMA, RXDMA> I2c<'d, T, TXDMA, RXDMA> {
if isr.tcr() || isr.tc() {
let state = T::state();
state.chunks_transferred.fetch_add(1, Ordering::Relaxed);
let transferred = state.chunks_transferred.load(Ordering::Relaxed);
state.chunks_transferred.store(transferred + 1, Ordering::Relaxed);
state.waker.wake();
}
// The flag can only be cleared by writting to nbytes, we won't do that here, so disable