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/cavium-octeon/dma-octeon.c | 29 ++++++++++++++---------------
1 files changed, 14 insertions(+), 15 deletions(-)
diff --git a/kernel/arch/mips/cavium-octeon/dma-octeon.c b/kernel/arch/mips/cavium-octeon/dma-octeon.c
index 236833b..df70308 100644
--- a/kernel/arch/mips/cavium-octeon/dma-octeon.c
+++ b/kernel/arch/mips/cavium-octeon/dma-octeon.c
@@ -11,7 +11,7 @@
* Copyright (C) 2010 Cavium Networks, Inc.
*/
#include <linux/dma-direct.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/swiotlb.h>
#include <linux/types.h>
#include <linux/init.h>
@@ -168,7 +168,7 @@
}
#endif /* CONFIG_PCI */
-dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t paddr)
+dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{
#ifdef CONFIG_PCI
if (dev && dev_is_pci(dev))
@@ -177,7 +177,7 @@
return paddr;
}
-phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t daddr)
+phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
{
#ifdef CONFIG_PCI
if (dev && dev_is_pci(dev))
@@ -190,29 +190,25 @@
void __init plat_swiotlb_setup(void)
{
- int i;
+ phys_addr_t start, end;
phys_addr_t max_addr;
phys_addr_t addr_size;
size_t swiotlbsize;
unsigned long swiotlb_nslabs;
+ u64 i;
max_addr = 0;
addr_size = 0;
- for (i = 0 ; i < boot_mem_map.nr_map; i++) {
- struct boot_mem_map_entry *e = &boot_mem_map.map[i];
- if (e->type != BOOT_MEM_RAM && e->type != BOOT_MEM_INIT_RAM)
- continue;
-
+ for_each_mem_range(i, &start, &end) {
/* These addresses map low for PCI. */
- if (e->addr > 0x410000000ull && !OCTEON_IS_OCTEON2())
+ if (start > 0x410000000ull && !OCTEON_IS_OCTEON2())
continue;
- addr_size += e->size;
+ addr_size += (end - start);
- if (max_addr < e->addr + e->size)
- max_addr = e->addr + e->size;
-
+ if (max_addr < end)
+ max_addr = end;
}
swiotlbsize = PAGE_SIZE;
@@ -244,7 +240,10 @@
swiotlb_nslabs = ALIGN(swiotlb_nslabs, IO_TLB_SEGSIZE);
swiotlbsize = swiotlb_nslabs << IO_TLB_SHIFT;
- octeon_swiotlb = alloc_bootmem_low_pages(swiotlbsize);
+ octeon_swiotlb = memblock_alloc_low(swiotlbsize, PAGE_SIZE);
+ if (!octeon_swiotlb)
+ panic("%s: Failed to allocate %zu bytes align=%lx\n",
+ __func__, swiotlbsize, PAGE_SIZE);
if (swiotlb_init_with_tbl(octeon_swiotlb, swiotlb_nslabs, 1) == -ENOMEM)
panic("Cannot allocate SWIOTLB buffer");
--
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