# \[PATCH v2 3/7\] drivers: firmware: psci: Use \_BITUL() macro in UAPI headers

- From: Joe Richey \<hidden\>
- Date: 2021-05-21 08:59:31 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/05/1387189
- Thread: https://ratatoskr.run/kvm/2021/05/1385907/t.md

```text
From: Joe Richey <redacted>

Replace BIT() in psci's UPAI header with _BITUL(). BIT() is not defined
in the UAPI headers and its usage may cause userspace build errors.

Fixes: 60dd1ead65e8 ("drivers: firmware: psci: Announce support for OS initiated suspend mode")
Signed-off-by: Joe Richey <redacted>
---
 include/uapi/linux/psci.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 2fcad1dd0b0e..87afdeb95096 100644
--- a/include/uapi/linux/psci.h
+++ b/include/uapi/linux/psci.h
@@ -12,6 +12,8 @@
 #ifndef _UAPI_LINUX_PSCI_H
 #define _UAPI_LINUX_PSCI_H
 
+#include <linux/const.h>
+
 /*
  * PSCI v0.1 interface
  *
@@ -100,7 +102,7 @@
 #define PSCI_1_0_FEATURES_CPU_SUSPEND_PF_MASK	\
 			(0x1 << PSCI_1_0_FEATURES_CPU_SUSPEND_PF_SHIFT)
 
-#define PSCI_1_0_OS_INITIATED			BIT(0)
+#define PSCI_1_0_OS_INITIATED			_BITUL(0)
 #define PSCI_1_0_SUSPEND_MODE_PC		0
 #define PSCI_1_0_SUSPEND_MODE_OSI		1
 
-- 
2.31.1


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```