lkml.org 
[lkml]   [2014]   [Jul]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:x86/platform] x86/platform/ts5500: Use the DEVICE_ATTR_RO() macro
Commit-ID:  1d2408754d2c1376d67c00852548758e1ec2a94c
Gitweb: http://git.kernel.org/tip/1d2408754d2c1376d67c00852548758e1ec2a94c
Author: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
AuthorDate: Tue, 8 Jul 2014 18:57:47 -0400
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 16 Jul 2014 21:17:40 +0200

x86/platform/ts5500: Use the DEVICE_ATTR_RO() macro

Use the DEVICE_ATTR_RO() helper macro to simplify the declaration
of read-only sysfs attributes in the TS5500 code..

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Savoir-faire Linux Inc. <kernel@savoirfairelinux.com>
Link: http://lkml.kernel.org/r/1404860269-11837-2-git-send-email-vivien.didelot@savoirfairelinux.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/platform/ts5500/ts5500.c | 50 +++++++++++++++++----------------------
1 file changed, 22 insertions(+), 28 deletions(-)

diff --git a/arch/x86/platform/ts5500/ts5500.c b/arch/x86/platform/ts5500/ts5500.c
index 9471b94..1bbf17b 100644
--- a/arch/x86/platform/ts5500/ts5500.c
+++ b/arch/x86/platform/ts5500/ts5500.c
@@ -147,45 +147,39 @@ cleanup:
return ret;
}

-static ssize_t ts5500_show_id(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t id_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct ts5500_sbc *sbc = dev_get_drvdata(dev);

return sprintf(buf, "0x%.2x\n", sbc->id);
}
+static DEVICE_ATTR_RO(id);

-static ssize_t ts5500_show_jumpers(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t jumpers_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
struct ts5500_sbc *sbc = dev_get_drvdata(dev);

return sprintf(buf, "0x%.2x\n", sbc->jumpers >> 1);
}
-
-#define TS5500_SHOW(field) \
- static ssize_t ts5500_show_##field(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) \
- { \
- struct ts5500_sbc *sbc = dev_get_drvdata(dev); \
- return sprintf(buf, "%d\n", sbc->field); \
- }
-
-TS5500_SHOW(sram)
-TS5500_SHOW(rs485)
-TS5500_SHOW(adc)
-TS5500_SHOW(ereset)
-TS5500_SHOW(itr)
-
-static DEVICE_ATTR(id, S_IRUGO, ts5500_show_id, NULL);
-static DEVICE_ATTR(jumpers, S_IRUGO, ts5500_show_jumpers, NULL);
-static DEVICE_ATTR(sram, S_IRUGO, ts5500_show_sram, NULL);
-static DEVICE_ATTR(rs485, S_IRUGO, ts5500_show_rs485, NULL);
-static DEVICE_ATTR(adc, S_IRUGO, ts5500_show_adc, NULL);
-static DEVICE_ATTR(ereset, S_IRUGO, ts5500_show_ereset, NULL);
-static DEVICE_ATTR(itr, S_IRUGO, ts5500_show_itr, NULL);
+static DEVICE_ATTR_RO(jumpers);
+
+#define TS5500_ATTR_BOOL(_field) \
+ static ssize_t _field##_show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+ { \
+ struct ts5500_sbc *sbc = dev_get_drvdata(dev); \
+ \
+ return sprintf(buf, "%d\n", sbc->_field); \
+ } \
+ static DEVICE_ATTR_RO(_field)
+
+TS5500_ATTR_BOOL(sram);
+TS5500_ATTR_BOOL(rs485);
+TS5500_ATTR_BOOL(adc);
+TS5500_ATTR_BOOL(ereset);
+TS5500_ATTR_BOOL(itr);

static struct attribute *ts5500_attributes[] = {
&dev_attr_id.attr,

\
 
 \ /
  Last update: 2014-07-16 22:21    [W:0.084 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site