From cf0288fb6a246a1b58e3ddc8fa68eaa36de01fc9 Mon Sep 17 00:00:00 2001
From: Rahix <rahix@rahix.de>
Date: Wed, 30 Apr 2025 01:46:12 +0200
Subject: [PATCH] Enable critical-section by default

The new svd2rust code needs `critical-section` for implementing the
`Peripherals::take()` function.  This means almost all uses of
`avr-device` will need it as well.

Rename the `critical-section-impl` feature to just `critical-section`
and make it a part of the crate's default features.
---
 Cargo.toml                     | 4 +++-
 examples/atmega328p/Cargo.toml | 2 +-
 src/interrupt.rs               | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 05f6a47..b570103 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -82,7 +82,9 @@ avr64du32 = ["device-selected"]
 avr64du28 = ["device-selected"]
 rt = ["avr-device-macros"]
 
-critical-section-impl = ["critical-section/restore-state-u8"]
+critical-section = ["critical-section/restore-state-u8"]
+
+default = ["critical-section"]
 
 # Unfortunately, we can only build documentation for a subset of the supported
 # MCUs on docs.rs.  If you think a very popular chip is missing from the list,
diff --git a/examples/atmega328p/Cargo.toml b/examples/atmega328p/Cargo.toml
index d5943f6..2075a19 100644
--- a/examples/atmega328p/Cargo.toml
+++ b/examples/atmega328p/Cargo.toml
@@ -20,7 +20,7 @@ embedded-hal = "0.2.3"
 [dependencies.avr-device]
 version = "0.7"
 path = "../.."
-features = ["atmega328p", "rt", "critical-section-impl"]
+features = ["atmega328p", "rt"]
 
 # Configure the build for minimal size - AVRs have very little program memory
 [profile.dev]
diff --git a/src/interrupt.rs b/src/interrupt.rs
index 6a3f5d3..91db205 100644
--- a/src/interrupt.rs
+++ b/src/interrupt.rs
@@ -235,7 +235,7 @@ where
     }
 }
 
-#[cfg(feature = "critical-section-impl")]
+#[cfg(feature = "critical-section")]
 mod cs {
     use critical_section::RawRestoreState;