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From: Renaud Barbier <renaud.barbier@ge.com>
To: barebox@lists.infradead.org
Subject: [PATCH 1/1] ppc io.h: update following MMIO primitives fix
Date: Thu, 10 May 2012 14:54:31 +0100	[thread overview]
Message-ID: <1336658071-14428-1-git-send-email-renaud.barbier@ge.com> (raw)

Following the MMIO primitives fix, the definitions of __raw_* function
is sourced from Linux and added.

Signed-off-by: Renaud Barbier <renaud.barbier@ge.com>
---
 arch/ppc/include/asm/io.h |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/arch/ppc/include/asm/io.h b/arch/ppc/include/asm/io.h
index 13187ca..0052989 100644
--- a/arch/ppc/include/asm/io.h
+++ b/arch/ppc/include/asm/io.h
@@ -105,6 +105,34 @@ extern void _outsl_ns(volatile u32 *port, const void *buf, int nl);
 #define iobarrier_w()  eieio()
 
 /*
+ * Non ordered and non-swapping "raw" accessors
+ */
+static inline unsigned char __raw_readb(const volatile void __iomem *addr)
+{
+	return *(volatile unsigned char __force *)(addr);
+}
+static inline unsigned short __raw_readw(const volatile void __iomem *addr)
+{
+	return *(volatile unsigned short __force *)(addr);
+}
+static inline unsigned int __raw_readl(const volatile void __iomem *addr)
+{
+	return *(volatile unsigned int __force *)(addr);
+}
+static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr)
+{
+	*(volatile unsigned char __force *)(addr) = v;
+}
+static inline void __raw_writew(unsigned short v, volatile void __iomem *addr)
+{
+	*(volatile unsigned short __force *)(addr) = v;
+}
+static inline void __raw_writel(unsigned int v, volatile void __iomem *addr)
+{
+	*(volatile unsigned int __force *)(addr) = v;
+}
+
+/*
  * 8, 16 and 32 bit, big and little endian I/O operations, with barrier.
  */
 extern inline int in_8(volatile u8 *addr)
-- 
1.7.1


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             reply	other threads:[~2012-05-10 13:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-10 13:54 Renaud Barbier [this message]
2012-05-11  7:06 ` Sascha Hauer

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