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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>
This commit is contained in:
Vivien Didelot 2014-07-08 18:57:47 -04:00 committed by Ingo Molnar
parent 1795cd9b3a
commit 1d2408754d
1 changed files with 20 additions and 26 deletions
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46
arch/x86/platform/ts5500/ts5500.c
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@ -147,45 +147,39 @@ static int __init ts5500_detect_config(struct ts5500_sbc *sbc)
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);
}
static DEVICE_ATTR_RO(jumpers);
#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); \
}
#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_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);
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,