From cf4ce59b3b70238352c7f1729f0f7223214828ad Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 20 Sep 2024 01:46:19 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux add concurrent mode
---
kernel/arch/mips/alchemy/common/setup.c | 17 +++++++++++++----
1 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/mips/alchemy/common/setup.c b/kernel/arch/mips/alchemy/common/setup.c
index 7faaa6d..0f60efe 100644
--- a/kernel/arch/mips/alchemy/common/setup.c
+++ b/kernel/arch/mips/alchemy/common/setup.c
@@ -27,6 +27,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
+#include <linux/mm.h>
#include <asm/dma-coherence.h>
#include <asm/mipsregs.h>
@@ -72,9 +73,9 @@
iomem_resource.end = IOMEM_RESOURCE_END;
}
-#if defined(CONFIG_PHYS_ADDR_T_64BIT) && defined(CONFIG_PCI)
+#ifdef CONFIG_MIPS_FIXUP_BIGPHYS_ADDR
/* This routine should be valid for all Au1x based boards */
-phys_addr_t __fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
+phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
{
unsigned long start = ALCHEMY_PCI_MEMWIN_START;
unsigned long end = ALCHEMY_PCI_MEMWIN_END;
@@ -90,5 +91,13 @@
/* default nop */
return phys_addr;
}
-EXPORT_SYMBOL(__fixup_bigphys_addr);
-#endif
+
+int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long vaddr,
+ unsigned long pfn, unsigned long size, pgprot_t prot)
+{
+ phys_addr_t phys_addr = fixup_bigphys_addr(pfn << PAGE_SHIFT, size);
+
+ return remap_pfn_range(vma, vaddr, phys_addr >> PAGE_SHIFT, size, prot);
+}
+EXPORT_SYMBOL(io_remap_pfn_range);
+#endif /* CONFIG_MIPS_FIXUP_BIGPHYS_ADDR */
--
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