From f456da5e1305672c86e2cbe07483388a75a9bb2e Mon Sep 17 00:00:00 2001
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Fri, 1 Feb 2013 15:21:41 -0500
Subject: [PATCH] tile: fix memcpy_*io functions for allnoconfig
On tilepro without CONFIG_PCI, we can't provide inlines of these
functions, as we don't have readl/writel.
In addition, fix memset_io() signature to take a volatile void *.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
arch/tile/include/asm/io.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/tile/include/asm/io.h b/arch/tile/include/asm/io.h
index 2a9b293fece6..31672918064c 100644
--- a/arch/tile/include/asm/io.h
+++ b/arch/tile/include/asm/io.h
@@ -250,7 +250,9 @@ static inline void writeq(u64 val, unsigned long addr)
#define iowrite32 writel
#define iowrite64 writeq
-static inline void memset_io(void *dst, int val, size_t len)
+#if CHIP_HAS_MMIO() || defined(CONFIG_PCI)
+
+static inline void memset_io(volatile void *dst, int val, size_t len)
{
int x;
BUG_ON((unsigned long)dst & 0x3);
@@ -277,6 +279,8 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
writel(*(u32 *)(src + x), dst + x);
}
+#endif
+
/*
* The Tile architecture does not support IOPORT, even with PCI.
* Unfortunately we can't yet simply not declare these methods,
--
2.30.9