LoongArch: Remove a bogus reference to ZONE_DMA

commit c37325cbd91abe3bfab280b3b09947155abe8e07 upstream.

Remove dead code. LoongArch does not have a DMA memory zone (24bit DMA).
The architecture does not even define MAX_DMA_PFN.

Cc: stable@vger.kernel.org
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index f42a3be5f28d75821d536f3f4f26d5876557881f..3861ae6942a083f842a174e0086ccf185012afe0 100644 (file)
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -89,9 +89,6 @@ void __init paging_init(void)
 {
        unsigned long max_zone_pfns[MAX_NR_ZONES];
 
-#ifdef CONFIG_ZONE_DMA
-       max_zone_pfns[ZONE_DMA] = MAX_DMA_PFN;
-#endif
 #ifdef CONFIG_ZONE_DMA32
        max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;
 #endif