From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 2/4] include: spinlock.h: define dummy for DEFINE_SPINLOCK
Date: Mon, 3 Jan 2022 12:58:22 +0100 [thread overview]
Message-ID: <20220103115824.1725086-3-a.fatoum@pengutronix.de> (raw)
In-Reply-To: <20220103115824.1725086-1-a.fatoum@pengutronix.de>
This allows easier porting of code that uses spinlocks.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
include/linux/spinlock.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index b32114f4f070..7d011785eda7 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -8,4 +8,6 @@ typedef int spinlock_t;
#define spin_lock_irqsave(lock, flags) do { flags = 0; } while (0)
#define spin_unlock_irqrestore(lock, flags) do { flags = flags; } while (0)
+#define DEFINE_SPINLOCK(lock) spinlock_t lock
+
#endif /* __LINUX_SPINLOCK_H */
--
2.30.2
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next prev parent reply other threads:[~2022-01-03 11:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-03 11:58 [PATCH 0/4] include: misc clean up Ahmad Fatoum
2022-01-03 11:58 ` [PATCH 1/4] include: <linux/overflow.h>: add missing include Ahmad Fatoum
2022-01-03 11:58 ` Ahmad Fatoum [this message]
2022-01-03 11:58 ` [PATCH 3/4] include: <linux/compiler.h>: delete __ADDRESSABLE macro Ahmad Fatoum
2022-01-03 11:58 ` [PATCH 4/4] x86: remove reference to empty file Ahmad Fatoum
2022-01-05 7:56 ` [PATCH 0/4] include: misc clean up Sascha Hauer
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