git: 5b818d9f3f4d - stable/15 - arm64: Fix MAIR_ATTR_MASK

The branch stable/15 has been updated by andrew:

URL: https://cgit.FreeBSD.org/src/commit/?id=5b818d9f3f4d478f13df8478c1ac209d276ce3f4

commit 5b818d9f3f4d478f13df8478c1ac209d276ce3f4
Author:     Harry Moulton <harry.moulton@arm.com>
AuthorDate: 2026-01-07 14:20:19 +0000
Commit:     Andrew Turner <andrew@FreeBSD.org>
CommitDate: 2026-02-09 14:51:59 +0000

    arm64: Fix MAIR_ATTR_MASK
    
    Use the correct value when calculating the mask.
    
    (commit message by andrew@)
    
    Sponsored by:   Arm Ltd
    
    (cherry picked from commit bdaa120b30006d7ef841a966414795416ce93eea)
---
 sys/arm64/include/armreg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index 28dec3a40b26..138a1eff51ac 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -1982,7 +1982,7 @@
 #define	MAIR_EL1_CRn			10
 #define	MAIR_EL1_CRm			2
 #define	MAIR_EL1_op2			0
-#define	MAIR_ATTR_MASK(idx)		(UL(0xff) << ((n)* 8))
+#define	MAIR_ATTR_MASK(idx)		(UL(0xff) << ((idx) * 8))
 #define	MAIR_ATTR(attr, idx)		((attr) << ((idx) * 8))
 #define	 MAIR_DEVICE_nGnRnE		UL(0x00)
 #define	 MAIR_DEVICE_nGnRE		UL(0x04)