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[PATCH 2/2] MIPS: add readl/write_be

To:, Maxime Bizon <>
Subject: [PATCH 2/2] MIPS: add readl/write_be
From: Florian Fainelli <>
Date: Sat, 12 Dec 2009 17:57:56 +0100
Organization: Freebox
Original-recipient: rfc822;
User-agent: KMail/1.12.2 (Linux/2.6.30-2-686; KDE/4.3.2; i686; ; )
MIPS currently lacks the readl_be and writel_be accessors
which are required by BCM63xx for OHCI and EHCI support.
Let's define them globally for MIPS. This also fixes the
compilation of the bcm63xx defconfig against USB.

Signed-off-by: Florian Fainelli <>
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 436878e..65cb4e4 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -447,6 +447,9 @@ __BUILDIO(q, u64)
 #define readl_relaxed                  readl
 #define readq_relaxed                  readq
+#define readl_be(addr)                 __raw_readl((__force unsigned *)addr)
+#define writel_be(val, addr)           __raw_writel(val, (__force unsigned 
  * Some code tests for these symbols

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