linux-kernel - [PATCH] sound/mixart: avoid redefining {readl,write}

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Date:	Tue, 9 Nov 2010 18:29:08 +0100
From:	Florian Fainelli <florian@...nwrt.org>
To:	alsa-devel@...a-project.org
Cc:	linux-kernel@...r.kernel.org, Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.de>
Subject: [PATCH] sound/mixart: avoid redefining {readl,write}_{le,be} accessors

From: Florian Fainelli <florian@...nwrt.org>

If the platform already provides a definition for these accessors
do not redefine them. The warning was caught on MIPS.

Signed-off-by: Florian Fainelli <florian@...nwrt.org>
---
diff --git a/sound/pci/mixart/mixart_hwdep.h b/sound/pci/mixart/mixart_hwdep.h
index a46f508..812e288 100644
--- a/sound/pci/mixart/mixart_hwdep.h
+++ b/sound/pci/mixart/mixart_hwdep.h
@@ -25,11 +25,21 @@
 
 #include <sound/hwdep.h>
 
+#ifndef readl_be
 #define readl_be(x) be32_to_cpu(__raw_readl(x))
+#endif
+
+#ifndef writel_be
 #define writel_be(data,addr) __raw_writel(cpu_to_be32(data),addr)
+#endif
 
+#ifndef readl_le
 #define readl_le(x) le32_to_cpu(__raw_readl(x))
+#endif
+
+#ifndef writel_le
 #define writel_le(data,addr) __raw_writel(cpu_to_le32(data),addr)
+#endif
 
 #define MIXART_MEM(mgr,x)	((mgr)->mem[0].virt + (x))
 #define MIXART_REG(mgr,x)	((mgr)->mem[1].virt + (x))
-- 
1.7.1

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