From: Petr Tesarik <ptesarik@suse.com>
Date: Thu, 24 Apr 2025 12:15:41 +0000 (+0800)
Subject: LoongArch: Remove a bogus reference to ZONE_DMA
X-Git-Tag: v6.15-rc4~7^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c37325cbd91abe3bfab280b3b09947155abe8e07;p=thirdparty%2Fkernel%2Flinux.git

LoongArch: Remove a bogus reference to ZONE_DMA

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>
---

diff --git a/arch/loongarch/mm/init.c b/arch/loongarch/mm/init.c
index fdb7f73ad1601..06f11d9e4ec11 100644
--- a/arch/loongarch/mm/init.c
+++ b/arch/loongarch/mm/init.c
@@ -65,9 +65,6 @@ 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