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Date: Wed, 24 Jul 2013 15:05:25 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Ian Abbott <abbotti@....co.uk>,
H Hartley Sweeten <hsweeten@...ionengravers.com>
Subject: [PATCH 22/36] staging: comedi: convert class code to use dev_groups
The dev_attrs field of struct class is going away soon, dev_groups
should be used instead. This converts the comedi class code to use the
correct field.
Cc: Ian Abbott <abbotti@....co.uk>
Cc: H Hartley Sweeten <hsweeten@...ionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/staging/comedi/comedi_fops.c | 39 ++++++++++++++++++------------------
1 file changed, 20 insertions(+), 19 deletions(-)
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 86475182..2f2ff8f0 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -262,7 +262,7 @@ static int resize_async_buffer(struct comedi_device *dev,
/* sysfs attribute files */
-static ssize_t show_max_read_buffer_kb(struct device *csdev,
+static ssize_t max_read_buffer_kb_show(struct device *csdev,
struct device_attribute *attr, char *buf)
{
unsigned int minor = MINOR(csdev->devt);
@@ -283,7 +283,7 @@ static ssize_t show_max_read_buffer_kb(struct device *csdev,
return snprintf(buf, PAGE_SIZE, "%i\n", size);
}
-static ssize_t store_max_read_buffer_kb(struct device *csdev,
+static ssize_t max_read_buffer_kb_store(struct device *csdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -314,8 +314,9 @@ static ssize_t store_max_read_buffer_kb(struct device *csdev,
return err ? err : count;
}
+static DEVICE_ATTR_RW(max_read_buffer_kb);
-static ssize_t show_read_buffer_kb(struct device *csdev,
+static ssize_t read_buffer_kb_show(struct device *csdev,
struct device_attribute *attr, char *buf)
{
unsigned int minor = MINOR(csdev->devt);
@@ -336,7 +337,7 @@ static ssize_t show_read_buffer_kb(struct device *csdev,
return snprintf(buf, PAGE_SIZE, "%i\n", size);
}
-static ssize_t store_read_buffer_kb(struct device *csdev,
+static ssize_t read_buffer_kb_store(struct device *csdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -367,8 +368,9 @@ static ssize_t store_read_buffer_kb(struct device *csdev,
return err ? err : count;
}
+static DEVICE_ATTR_RW(read_buffer_kb);
-static ssize_t show_max_write_buffer_kb(struct device *csdev,
+static ssize_t max_write_buffer_kb_show(struct device *csdev,
struct device_attribute *attr,
char *buf)
{
@@ -390,7 +392,7 @@ static ssize_t show_max_write_buffer_kb(struct device *csdev,
return snprintf(buf, PAGE_SIZE, "%i\n", size);
}
-static ssize_t store_max_write_buffer_kb(struct device *csdev,
+static ssize_t max_write_buffer_kb_store(struct device *csdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -421,8 +423,9 @@ static ssize_t store_max_write_buffer_kb(struct device *csdev,
return err ? err : count;
}
+static DEVICE_ATTR_RW(max_write_buffer_kb);
-static ssize_t show_write_buffer_kb(struct device *csdev,
+static ssize_t write_buffer_kb_show(struct device *csdev,
struct device_attribute *attr, char *buf)
{
unsigned int minor = MINOR(csdev->devt);
@@ -443,7 +446,7 @@ static ssize_t show_write_buffer_kb(struct device *csdev,
return snprintf(buf, PAGE_SIZE, "%i\n", size);
}
-static ssize_t store_write_buffer_kb(struct device *csdev,
+static ssize_t write_buffer_kb_store(struct device *csdev,
struct device_attribute *attr,
const char *buf, size_t count)
{
@@ -474,18 +477,16 @@ static ssize_t store_write_buffer_kb(struct device *csdev,
return err ? err : count;
}
+static DEVICE_ATTR_RW(write_buffer_kb);
-static struct device_attribute comedi_dev_attrs[] = {
- __ATTR(max_read_buffer_kb, S_IRUGO | S_IWUSR,
- show_max_read_buffer_kb, store_max_read_buffer_kb),
- __ATTR(read_buffer_kb, S_IRUGO | S_IWUSR | S_IWGRP,
- show_read_buffer_kb, store_read_buffer_kb),
- __ATTR(max_write_buffer_kb, S_IRUGO | S_IWUSR,
- show_max_write_buffer_kb, store_max_write_buffer_kb),
- __ATTR(write_buffer_kb, S_IRUGO | S_IWUSR | S_IWGRP,
- show_write_buffer_kb, store_write_buffer_kb),
- __ATTR_NULL
+static struct attribute *comedi_dev_attrs[] = {
+ &dev_attr_max_read_buffer_kb.attr,
+ &dev_attr_read_buffer_kb.attr,
+ &dev_attr_max_write_buffer_kb.attr,
+ &dev_attr_write_buffer_kb.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(comedi_dev);
static void comedi_set_subdevice_runflags(struct comedi_subdevice *s,
unsigned mask, unsigned bits)
@@ -2554,7 +2555,7 @@ static int __init comedi_init(void)
return PTR_ERR(comedi_class);
}
- comedi_class->dev_attrs = comedi_dev_attrs;
+ comedi_class->dev_groups = comedi_dev_groups;
/* XXX requires /proc interface */
comedi_proc_init();
--
1.8.3.rc0.20.gb99dd2e
--
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