linux-kernel - [PATCH v3 1/6] Revert "MIPS: ralink: don't define PC_IOBASE but increase IO_SPACE

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Date:   Sat, 25 Sep 2021 22:32:19 +0200
From:   Sergio Paracuellos <sergio.paracuellos@...il.com>
To:     tsbogend@...ha.franken.de
Cc:     robh@...nel.org, arnd@...db.de, catalin.marinas@....com,
        Liviu.Dudau@....com, bhelgaas@...gle.com, matthias.bgg@...il.com,
        gregkh@...uxfoundation.org, linux-mips@...r.kernel.org,
        linux-pci@...r.kernel.org, linux-staging@...ts.linux.dev,
        neil@...wn.name, linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/6] Revert "MIPS: ralink: don't define PC_IOBASE but increase IO_SPACE_LIMIT"

This reverts commit 159697474db41732ef3b6c2e8d9395f09d1f659e.

There is no real need to increase IO_SPACE_LIMIT if PCI_IOBASE
is properly set to 'mips_io_port_base'. Hence revert this commit
first before doing anything else.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 arch/mips/include/asm/mach-ralink/spaces.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/mips/include/asm/mach-ralink/spaces.h b/arch/mips/include/asm/mach-ralink/spaces.h
index 31a3525213cf..87d085c9ad61 100644
--- a/arch/mips/include/asm/mach-ralink/spaces.h
+++ b/arch/mips/include/asm/mach-ralink/spaces.h
@@ -2,7 +2,9 @@
 #ifndef __ASM_MACH_RALINK_SPACES_H_
 #define __ASM_MACH_RALINK_SPACES_H_
 
-#define IO_SPACE_LIMIT	0x1fffffff
+#define PCI_IOBASE	_AC(0xa0000000, UL)
+#define PCI_IOSIZE	SZ_16M
+#define IO_SPACE_LIMIT	(PCI_IOSIZE - 1)
 
 #include <asm/mach-generic/spaces.h>
 #endif
-- 
2.25.1