mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
bf82d3758d
Remove directly accessing device_node.type pointer and use the accessors instead. This will eventually allow removing the type pointer. Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/kernel.h>
|
|
#include <linux/stat.h>
|
|
#include <asm/macio.h>
|
|
|
|
static ssize_t
|
|
compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct platform_device *of;
|
|
const char *compat;
|
|
int cplen;
|
|
int length = 0;
|
|
|
|
of = &to_macio_device (dev)->ofdev;
|
|
compat = of_get_property(of->dev.of_node, "compatible", &cplen);
|
|
if (!compat) {
|
|
*buf = '\0';
|
|
return 0;
|
|
}
|
|
while (cplen > 0) {
|
|
int l;
|
|
length += sprintf (buf, "%s\n", compat);
|
|
buf += length;
|
|
l = strlen (compat) + 1;
|
|
compat += l;
|
|
cplen -= l;
|
|
}
|
|
|
|
return length;
|
|
}
|
|
static DEVICE_ATTR_RO(compatible);
|
|
|
|
static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
return of_device_modalias(dev, buf, PAGE_SIZE);
|
|
}
|
|
|
|
static ssize_t devspec_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct platform_device *ofdev;
|
|
|
|
ofdev = to_platform_device(dev);
|
|
return sprintf(buf, "%pOF\n", ofdev->dev.of_node);
|
|
}
|
|
static DEVICE_ATTR_RO(modalias);
|
|
static DEVICE_ATTR_RO(devspec);
|
|
|
|
static ssize_t name_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return sprintf(buf, "%pOFn\n", dev->of_node);
|
|
}
|
|
static DEVICE_ATTR_RO(name);
|
|
|
|
static ssize_t type_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return sprintf(buf, "%s\n", of_node_get_device_type(dev->of_node));
|
|
}
|
|
static DEVICE_ATTR_RO(type);
|
|
|
|
static struct attribute *macio_dev_attrs[] = {
|
|
&dev_attr_name.attr,
|
|
&dev_attr_type.attr,
|
|
&dev_attr_compatible.attr,
|
|
&dev_attr_modalias.attr,
|
|
&dev_attr_devspec.attr,
|
|
NULL,
|
|
};
|
|
|
|
static const struct attribute_group macio_dev_group = {
|
|
.attrs = macio_dev_attrs,
|
|
};
|
|
|
|
const struct attribute_group *macio_dev_groups[] = {
|
|
&macio_dev_group,
|
|
NULL,
|
|
};
|