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