openwrtv3/target/linux/lantiq/patches-4.4/0042-arch-mips-increase-io_space_limit.patch
John Crispin 98d00c35e3 lantiq: fix io_space_limit
this broke uhci pci support on some arv units

Signed-off-by: John Crispin <john@phrozen.org>
2016-06-14 06:43:02 +02:00

28 lines
804 B
Diff

From 9807eb80a1b3bad7a4a89aa6566497bb1cadd6ef Mon Sep 17 00:00:00 2001
From: John Crispin <john@phrozen.org>
Date: Fri, 3 Jun 2016 13:12:20 +0200
Subject: [PATCH] arch: mips: increase io_space_limit
this value comes from x86 and breaks some pci devices
Signed-off-by: John Crispin <john@phrozen.org>
---
arch/mips/include/asm/io.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index d10fd80..d42eac9 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -50,7 +50,7 @@
/* ioswab[bwlq], __mem_ioswab[bwlq] are defined in mangle-port.h */
-#define IO_SPACE_LIMIT 0xffff
+#define IO_SPACE_LIMIT 0x200000
/*
* On MIPS I/O ports are memory mapped, so we access them using normal
--
1.7.10.4