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Subject[PATCH] Fixed IIO_DEVICE_ATTR_NAMED API to take name as a string and added "" around names
Fixed IIO_DEVICE_ATTR_NAMED API to take name as a
string instead of implicit conversion to string using
preprocessors. Added double quotes around names in
existing usage of IIO_DEVICE_ATTR_NAMED.

Signed-off-by: Himanshi Jain <himshijain.hj@gmail.com>
---
drivers/iio/adc/ad7793.c | 2 +-
drivers/staging/iio/adc/ad7192.c | 2 +-
drivers/staging/iio/adc/ad7280a.c | 4 ++--
include/linux/iio/sysfs.h | 6 +++++-
include/linux/sysfs.h | 7 +++++++
5 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index e6706a0..d74e324 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -420,7 +420,7 @@ static ssize_t ad7793_show_scale_available(struct device *dev,
}

static IIO_DEVICE_ATTR_NAMED(in_m_in_scale_available,
- in_voltage-voltage_scale_available, S_IRUGO,
+ "in_voltage-voltage_scale_available", S_IRUGO,
ad7793_show_scale_available, NULL, 0);

static struct attribute *ad7793_attributes[] = {
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index d11c6de..daff38c 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -341,7 +341,7 @@ static int ad7192_setup(struct ad7192_state *st,
}

static IIO_DEVICE_ATTR_NAMED(in_v_m_v_scale_available,
- in_voltage-voltage_scale_available,
+ "in_voltage-voltage_scale_available",
0444, ad7192_show_scale_available, NULL, 0);

static IIO_DEVICE_ATTR(in_voltage_scale_available, 0444,
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index f85dde9..fd32e9a 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -750,14 +750,14 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
}

static IIO_DEVICE_ATTR_NAMED(in_thresh_low_value,
- in_voltage-voltage_thresh_low_value,
+ "in_voltage-voltage_thresh_low_value",
0644,
ad7280_read_channel_config,
ad7280_write_channel_config,
AD7280A_CELL_UNDERVOLTAGE);

static IIO_DEVICE_ATTR_NAMED(in_thresh_high_value,
- in_voltage-voltage_thresh_high_value,
+ "in_voltage-voltage_thresh_high_value",
0644,
ad7280_read_channel_config,
ad7280_write_channel_config,
diff --git a/include/linux/iio/sysfs.h b/include/linux/iio/sysfs.h
index ce9426c..49c81a4 100644
--- a/include/linux/iio/sysfs.h
+++ b/include/linux/iio/sysfs.h
@@ -55,6 +55,10 @@ struct iio_const_attr {
{ .dev_attr = __ATTR(_name, _mode, _show, _store), \
.address = _addr }

+#define IIO_ATTR_NAMED(_name, _mode, _show, _store, _addr) \
+ { .dev_attr = __ATTR_NAMED(_name, _mode, _show, _store), \
+ .address = _addr }
+
#define IIO_ATTR_RO(_name, _addr) \
{ .dev_attr = __ATTR_RO(_name), \
.address = _addr }
@@ -85,7 +89,7 @@ struct iio_const_attr {

#define IIO_DEVICE_ATTR_NAMED(_vname, _name, _mode, _show, _store, _addr) \
struct iio_dev_attr iio_dev_attr_##_vname \
- = IIO_ATTR(_name, _mode, _show, _store, _addr)
+ = IIO_ATTR_NAMED(_name, _mode, _show, _store, _addr)

#define IIO_CONST_ATTR(_name, _string) \
struct iio_const_attr iio_const_attr_##_name \
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index aa02c32..20321cf 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -104,6 +104,13 @@ struct attribute_group {
.store = _store, \
}

+#define __ATTR_NAMED(_name, _mode, _show, _store) { \
+ .attr = {.name = _name, \
+ .mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
+ .show = _show, \
+ .store = _store, \
+}
+
#define __ATTR_PREALLOC(_name, _mode, _show, _store) { \
.attr = {.name = __stringify(_name), \
.mode = SYSFS_PREALLOC | VERIFY_OCTAL_PERMISSIONS(_mode) },\
--
1.9.1
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