From 85683bd1959cb7f3c870c9da12217f5a4ba0e922 Mon Sep 17 00:00:00 2001 From: Raymond Mao Date: Tue, 27 May 2025 14:04:31 -0700 Subject: [PATCH] armv8: fix Clang warning on writing 32-bit variable to a 64-bit register Clang is stricter than GCC when it comes to inline assembly and expects the register to be written with explicitly same type of variable. Fixes: c0e1775a867c ("armv8: Add arch-specific sysinfo platform driver") Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- arch/arm/cpu/armv8/sysinfo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv8/sysinfo.c b/arch/arm/cpu/armv8/sysinfo.c index 850142da37d..ff0abee4c6b 100644 --- a/arch/arm/cpu/armv8/sysinfo.c +++ b/arch/arm/cpu/armv8/sysinfo.c @@ -134,7 +134,7 @@ int sysinfo_get_cache_info(u8 level, struct cache_info *cinfo) /* Select cache level */ csselr_el1 = (level << 1); - asm volatile("msr csselr_el1, %0" : : "r" (csselr_el1)); + asm volatile("msr csselr_el1, %0" : : "r" ((u64)csselr_el1)); /* Read CCSIDR_EL1 */ asm volatile("mrs %0, ccsidr_el1" : "=r" (creg.data)); -- 2.47.2