target/linux/ipq806x/patches-5.10/103-arm-Enlarge-IO_SPACE_LIMIT-needed-for-some-SoC.patch

   1 From 9a894b0e5d3e6ed3c435b89fe96794ec9ddf5925 Mon Sep 17 00:00:00 2001
   2 From: Ansuel Smith <ansuelsmth@gmail.com>
   3 Date: Sun, 28 Feb 2021 15:22:24 +0100
   4 Subject: [PATCH] arm: Enlarge IO_SPACE_LIMIT needed for some SoC
   5
   6 Ipq8064 SoC requires larger IO_SPACE_LIMIT or second and third pci port
   7 fails to register the IO addresses and connected device doesn't work.
   8
   9 Cc: <stable@vger.kernel.org> # 4.9+
  10 Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
  11 ---
  12  arch/arm/include/asm/io.h | 2 +-
  13  1 file changed, 1 insertion(+), 1 deletion(-)
  14
  15 --- a/arch/arm/include/asm/io.h
  16 +++ b/arch/arm/include/asm/io.h
  17 @@ -197,7 +197,7 @@ void __iomem *pci_remap_cfgspace(resourc
  18  #ifdef CONFIG_NEED_MACH_IO_H
  19  #include <mach/io.h>
  20  #elif defined(CONFIG_PCI)
  21 -#define IO_SPACE_LIMIT ((resource_size_t)0xfffff)
  22 +#define IO_SPACE_LIMIT ((resource_size_t)0xffffff)
  23  #define __io(a)                __typesafe_io(PCI_IO_VIRT_BASE + ((a) & IO_SPACE_LIMIT))
  24  #else
  25  #define __io(a)                __typesafe_io((a) & IO_SPACE_LIMIT)