LoongArch: Clean up plat_swiotlb_setup() related code

After commit c78c43fe7d42 ("LoongArch: Use acpi_arch_dma_setup() and
remove ARCH_HAS_PHYS_TO_DMA"), plat_swiotlb_setup() has been deleted,
so clean up the related code.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

diff --git a/arch/loongarch/include/asm/bootinfo.h b/arch/loongarch/include/asm/bootinfo.h
index 0051b526ac6d31307643dc317b6310a72ba53217..c60796869b2b80377d9d6afca9c8705f8d2433e1 100644 (file)
--- a/arch/loongarch/include/asm/bootinfo.h
+++ b/arch/loongarch/include/asm/bootinfo.h
@@ -13,7 +13,6 @@ const char *get_system_type(void);
 extern void init_environ(void);
 extern void memblock_init(void);
 extern void platform_init(void);
-extern void plat_swiotlb_setup(void);
 extern int __init init_numa_memory(void);
 
 struct loongson_board_info {

diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 27f71f9531e12bd10f156901ddcd29af23f886f1..4444b13418f0e0621d56d339ba4302c4d0ec2f29 100644 (file)
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -389,8 +389,8 @@ static void __init arch_mem_init(char **cmdline_p)
        /*
         * In order to reduce the possibility of kernel panic when failed to
         * get IO TLB memory under CONFIG_SWIOTLB, it is better to allocate
-        * low memory as small as possible before plat_swiotlb_setup(), so
-        * make sparse_init() using top-down allocation.
+        * low memory as small as possible before swiotlb_init(), so make
+        * sparse_init() using top-down allocation.
         */
        memblock_set_bottom_up(false);
        sparse_init();