dma: convert dma_devclass to use dev_groups

The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the dma dma_devclass code to use
the correct field.

Cc: Dan Williams <djbw@fb.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 9e56745f87bf164aa3b4728b52a113c9a5b68cc6..99af4db5948bc9406d85ef841077baff2ffd5f40 100644 (file)
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -87,7 +87,8 @@ static struct dma_chan *dev_to_dma_chan(struct device *dev)
        return chan_dev->chan;
 }
 
-static ssize_t show_memcpy_count(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t memcpy_count_show(struct device *dev,
+                                struct device_attribute *attr, char *buf)
 {
        struct dma_chan *chan;
        unsigned long count = 0;
@@ -106,9 +107,10 @@ static ssize_t show_memcpy_count(struct device *dev, struct device_attribute *at
 
        return err;
 }
+static DEVICE_ATTR_RO(memcpy_count);
 
-static ssize_t show_bytes_transferred(struct device *dev, struct device_attribute *attr,
-                                     char *buf)
+static ssize_t bytes_transferred_show(struct device *dev,
+                                     struct device_attribute *attr, char *buf)
 {
        struct dma_chan *chan;
        unsigned long count = 0;
@@ -127,8 +129,10 @@ static ssize_t show_bytes_transferred(struct device *dev, struct device_attribut
 
        return err;
 }
+static DEVICE_ATTR_RO(bytes_transferred);
 
-static ssize_t show_in_use(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t in_use_show(struct device *dev, struct device_attribute *attr,
+                          char *buf)
 {
        struct dma_chan *chan;
        int err;
@@ -143,13 +147,15 @@ static ssize_t show_in_use(struct device *dev, struct device_attribute *attr, ch
 
        return err;
 }
+static DEVICE_ATTR_RO(in_use);
 
-static struct device_attribute dma_attrs[] = {
-       __ATTR(memcpy_count, S_IRUGO, show_memcpy_count, NULL),
-       __ATTR(bytes_transferred, S_IRUGO, show_bytes_transferred, NULL),
-       __ATTR(in_use, S_IRUGO, show_in_use, NULL),
-       __ATTR_NULL
+static struct attribute *dma_dev_attrs[] = {
+       &dev_attr_memcpy_count.attr,
+       &dev_attr_bytes_transferred.attr,
+       &dev_attr_in_use.attr,
+       NULL,
 };
+ATTRIBUTE_GROUPS(dma_dev);
 
 static void chan_dev_release(struct device *dev)
 {
@@ -167,7 +173,7 @@ static void chan_dev_release(struct device *dev)
 
 static struct class dma_devclass = {
        .name           = "dma",
-       .dev_attrs      = dma_attrs,
+       .dev_groups     = dma_dev_groups,
        .dev_release    = chan_dev_release,
 };