Include linux/processor.h to fix build error: arch/mips/sgi-ip30/ip30-console.c: In function ‘prom_putchar’: arch/mips/sgi-ip30/ip30-console.c:21:17: error: implicit declaration of function ‘cpu_relax’ [-Werror=implicit-function-declaration] 21 | cpu_relax(); Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- arch/mips/sgi-ip30/ip30-console.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/sgi-ip30/ip30-console.c b/arch/mips/sgi-ip30/ip30-console.c index 7c6dcf6e73f7..a5f10097b985 100644 --- a/arch/mips/sgi-ip30/ip30-console.c +++ b/arch/mips/sgi-ip30/ip30-console.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/io.h> +#include <linux/processor.h> #include <asm/sn/ioc3.h> #include <asm/setup.h> --- base-commit: 6906a84c482f098d31486df8dc98cead21cce2d0 change-id: 20240616-ip30-buildfix-20d62f2d6186 Best regards, -- Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>