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Subject[PATCH 03/36] bsr: convert bsr_class to use dev_groups
Date
The dev_attrs field of struct class is going away soon, dev_groups
should be used instead. This converts the bsr bsr_class code to use
the correct field.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/char/bsr.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c
index 97467053..0671e45d 100644
--- a/drivers/char/bsr.c
+++ b/drivers/char/bsr.c
@@ -95,6 +95,7 @@ bsr_size_show(struct device *dev, struct device_attribute *attr, char *buf)
struct bsr_dev *bsr_dev = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", bsr_dev->bsr_bytes);
}
+static DEVICE_ATTR_RO(bsr_size);

static ssize_t
bsr_stride_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -102,20 +103,23 @@ bsr_stride_show(struct device *dev, struct device_attribute *attr, char *buf)
struct bsr_dev *bsr_dev = dev_get_drvdata(dev);
return sprintf(buf, "%u\n", bsr_dev->bsr_stride);
}
+static DEVICE_ATTR_RO(bsr_stride);

static ssize_t
-bsr_len_show(struct device *dev, struct device_attribute *attr, char *buf)
+bsr_length_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct bsr_dev *bsr_dev = dev_get_drvdata(dev);
return sprintf(buf, "%llu\n", bsr_dev->bsr_len);
}
+static DEVICE_ATTR_RO(bsr_length);

-static struct device_attribute bsr_dev_attrs[] = {
- __ATTR(bsr_size, S_IRUGO, bsr_size_show, NULL),
- __ATTR(bsr_stride, S_IRUGO, bsr_stride_show, NULL),
- __ATTR(bsr_length, S_IRUGO, bsr_len_show, NULL),
- __ATTR_NULL
+static struct attribute *bsr_dev_attrs[] = {
+ &dev_attr_bsr_size.attr,
+ &dev_attr_bsr_stride.attr,
+ &dev_attr_bsr_length.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(bsr_dev);

static int bsr_mmap(struct file *filp, struct vm_area_struct *vma)
{
@@ -308,7 +312,7 @@ static int __init bsr_init(void)
ret = PTR_ERR(bsr_class);
goto out_err_1;
}
- bsr_class->dev_attrs = bsr_dev_attrs;
+ bsr_class->dev_groups = bsr_dev_groups;

ret = alloc_chrdev_region(&bsr_dev, 0, BSR_MAX_DEVS, "bsr");
bsr_major = MAJOR(bsr_dev);
--
1.8.3.rc0.20.gb99dd2e


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