dma.c defined function plat_swiotlb_setup, which is declared in bootinfo.h. Fixes warning: arch/mips/loongson64/dma.c:25:13: warning: no previous prototype for ‘plat_swiotlb_setup’ [-Wmissing-prototypes] 25 | void __init plat_swiotlb_setup(void) | ^~~~~~~~~~~~~~~~~~ Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> --- arch/mips/loongson64/dma.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/mips/loongson64/dma.c b/arch/mips/loongson64/dma.c index 8220a1bc0db6..52801442ea86 100644 --- a/arch/mips/loongson64/dma.c +++ b/arch/mips/loongson64/dma.c @@ -2,6 +2,7 @@ #include <linux/dma-direct.h> #include <linux/init.h> #include <linux/swiotlb.h> +#include <asm/bootinfo.h> #include <boot_param.h> dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) -- 2.34.1