target/linux/lantiq/patches-4.4/0154-lantiq-pci-bar11mask-fix.patch

   1 --- a/arch/mips/pci/pci-lantiq.c
   2 +++ b/arch/mips/pci/pci-lantiq.c
   3 @@ -62,6 +62,8 @@
   4  #define ltq_pci_cfg_w32(x, y)  ltq_w32((x), ltq_pci_mapped_cfg + (y))
   5  #define ltq_pci_cfg_r32(x)     ltq_r32(ltq_pci_mapped_cfg + (x))
   6
   7 +extern u32 max_low_pfn;
   8 +
   9  __iomem void *ltq_pci_mapped_cfg;
  10  static __iomem void *ltq_pci_membase;
  11
  12 @@ -87,8 +89,8 @@
  13         u32 mem, bar11mask;
  14
  15         /* BAR11MASK value depends on available memory on system. */
  16 -       mem = get_num_physpages() * PAGE_SIZE;
  17 -       bar11mask = (0x0ffffff0 & ~((1 << (fls(mem) - 1)) - 1)) | 8;
  18 +       mem = max_low_pfn << PAGE_SHIFT;
  19 +       bar11mask = ((-roundup_pow_of_two(mem)) & 0x0F000000) | 8;
  20
  21         return bar11mask;
  22  }