linux-kernel - [PATCH 3/6] MIPS: ralink: set PCI_IOBASE to 'mips_io_port

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Message-Id: <20210924211139.3477-4-sergio.paracuellos@gmail.com>
Date:   Fri, 24 Sep 2021 23:11:36 +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 3/6] MIPS: ralink: set PCI_IOBASE to 'mips_io_port_base'

By default MIPS architecture use function 'set_io_port_base()' to set the
virtual address of the first IO port. This function at the end sets variable
'mips_io_port_base' with the desired address. To align things and allow
to change first IO port location address for PCI, set PCI_IOBASE definition
as 'mips_io_port_base'. Also, we only need a size of 64 KB.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
---
 arch/mips/include/asm/mach-ralink/spaces.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/include/asm/mach-ralink/spaces.h b/arch/mips/include/asm/mach-ralink/spaces.h
index 87d085c9ad61..05d14c21c417 100644
--- a/arch/mips/include/asm/mach-ralink/spaces.h
+++ b/arch/mips/include/asm/mach-ralink/spaces.h
@@ -2,8 +2,8 @@
 #ifndef __ASM_MACH_RALINK_SPACES_H_
 #define __ASM_MACH_RALINK_SPACES_H_
 
-#define PCI_IOBASE	_AC(0xa0000000, UL)
-#define PCI_IOSIZE	SZ_16M
+#define PCI_IOBASE	mips_io_port_base
+#define PCI_IOSIZE	SZ_64K
 #define IO_SPACE_LIMIT	(PCI_IOSIZE - 1)
 
 #include <asm/mach-generic/spaces.h>
-- 
2.25.1