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LoongArch: Clean up plat_swiotlb_setup() related code 

After commit c78c43fe7d ("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>
This commit is contained in:
Tiezhu Yang 2023-04-19 12:07:27 +08:00 committed by Huacai Chen
parent 370a3b8f58
commit afca6e0649
2 changed files with 2 additions and 3 deletions
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1
arch/loongarch/include/asm/bootinfo.h
View File

@ -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 {

4
arch/loongarch/kernel/setup.c
View File

@ -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();