linux-kernel - [PATCH] [2/3] sysfs: Add utility macros for declaring generic extended sysdev attributes

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Message-Id: <20080902112635.3F0ED3E6A00@basil.firstfloor.org>
Date:	Tue,  2 Sep 2008 13:26:35 +0200 (CEST)
From:	Andi Kleen <andi@...stfloor.org>
To:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] [2/3] sysfs: Add utility macros for declaring generic extended sysdev attributes 


This is similar to _SYSDEV_ULONG_ATTR, but allows to use 

Needed for followup patch.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 include/linux/sysdev.h |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Index: linux/include/linux/sysdev.h
===================================================================
--- linux.orig/include/linux/sysdev.h
+++ linux/include/linux/sysdev.h
@@ -139,7 +139,12 @@ extern ssize_t sysdev_show_int(struct sy
 				char *);
 extern ssize_t sysdev_store_int(struct sys_device *,
 			struct sysdev_attribute *, const char *, size_t);
-
+#define _SYSDEV_EXT_ATTR(_name, _mode, _var, _show, _store)	\
+	{ _SYSDEV_ATTR(_name, _mode, _show, _store),		\
+	  &(_var) }
+#define SYSDEV_EXT_ATTR(_name, _mode, _var, _show, _store)	\
+	struct sysdev_ext_attribute attr_##_name =		\
+		_SYSDEV_EXT_ATTR(_name, _mode, _var, _show, _store);
 #define _SYSDEV_ULONG_ATTR(_name, _mode, _var)				\
 	{ _SYSDEV_ATTR(_name, _mode, sysdev_show_ulong, sysdev_store_ulong), \
 	  &(_var) }
--
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