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--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -62,6 +62,8 @@
#define ltq_pci_cfg_w32(x, y) ltq_w32((x), ltq_pci_mapped_cfg + (y))
#define ltq_pci_cfg_r32(x) ltq_r32(ltq_pci_mapped_cfg + (x))
+extern u32 max_low_pfn;
+
__iomem void *ltq_pci_mapped_cfg;
static __iomem void *ltq_pci_membase;
@@ -87,8 +89,8 @@
u32 mem, bar11mask;
/* BAR11MASK value depends on available memory on system. */
- mem = get_num_physpages() * PAGE_SIZE;
- bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8;
+ mem = max_low_pfn << PAGE_SHIFT;
+ bar11mask = ((-roundup_pow_of_two(mem)) & 0x0F000000) | 8;
return bar11mask;
}
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