[xen staging] arm/gic: fix MISRA C 2012 Rule 20.7 violation

[patchbot@xxxxxxx]

commit 4a2217c97024ccaf92adb6a08f4d340a803af352
Author:     Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
AuthorDate: Thu Aug 11 11:48:12 2022 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Aug 11 11:48:12 2022 +0200

    arm/gic: fix MISRA C 2012 Rule 20.7 violation
    
    In GIC_PRI_TO_GUEST(), add parentheses around the macro parameter 'pri' to
    prevent against unintended expansions and realign comment.
    
    Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/arm/include/asm/gic.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/include/asm/gic.h b/xen/arch/arm/include/asm/gic.h
index b3c6c67933..3692fae393 100644
--- a/xen/arch/arm/include/asm/gic.h
+++ b/xen/arch/arm/include/asm/gic.h
@@ -152,8 +152,8 @@
 #define GIC_PRI_IPI_ALL    ((GIC_PRI_IPI << 24) | (GIC_PRI_IPI << 16) |\
                             (GIC_PRI_IPI << 8) | GIC_PRI_IPI)
 
-#define GIC_PRI_TO_GUEST(pri) (pri >> 3) /* GICH_LR and GICH_VMCR only support
-                                            5 bits for guest irq priority */
+#define GIC_PRI_TO_GUEST(pri) ((pri) >> 3) /* GICH_LR and GICH_VMCR only 
support
+                                              5 bits for guest irq priority */
 
 #define GICH_LR_PENDING         1
 #define GICH_LR_ACTIVE          2
--
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