linux-kernel - [PATCH 4/6] driver core: add DEVICE_ATTR_RW and DEVICE_ATTR

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Date:	Wed, 10 Jul 2013 13:05:12 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	oliver+list@...inagl.nl, linux@...ck-us.net, khali@...ux-fr.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 4/6] driver core: add DEVICE_ATTR_RW and DEVICE_ATTR_RO macros

Make it easier to create attributes without having to always audit the
mode settings.

Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/device.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/device.h b/include/linux/device.h
index bcf8c0d..1d546a0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -512,6 +512,10 @@ ssize_t device_store_bool(struct device *dev, struct device_attribute *attr,
 
 #define DEVICE_ATTR(_name, _mode, _show, _store) \
 	struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
+#define DEVICE_ATTR_RW(_name) \
+	struct device_attribute dev_attr_##_name = __ATTR_RW(_name)
+#define DEVICE_ATTR_RO(_name) \
+	struct device_attribute dev_attr_##_name = __ATTR_RO(_name)
 #define DEVICE_ULONG_ATTR(_name, _mode, _var) \
 	struct dev_ext_attribute dev_attr_##_name = \
 		{ __ATTR(_name, _mode, device_show_ulong, device_store_ulong), &(_var) }
-- 
1.8.3.rc0.20.gb99dd2e

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