mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
29aa0289b8
There is now a common function to generate the modalias string, so use it. We just need to add the \n at the end. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
#include <linux/kernel.h>
|
|
#include <linux/stat.h>
|
|
#include <asm/macio.h>
|
|
|
|
|
|
#define macio_config_of_attr(field, format_string) \
|
|
static ssize_t \
|
|
field##_show (struct device *dev, struct device_attribute *attr, \
|
|
char *buf) \
|
|
{ \
|
|
struct macio_dev *mdev = to_macio_device (dev); \
|
|
return sprintf (buf, format_string, mdev->ofdev.node->field); \
|
|
}
|
|
|
|
static ssize_t
|
|
compatible_show (struct device *dev, struct device_attribute *attr, char *buf)
|
|
{
|
|
struct of_device *of;
|
|
const char *compat;
|
|
int cplen;
|
|
int length = 0;
|
|
|
|
of = &to_macio_device (dev)->ofdev;
|
|
compat = of_get_property(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 ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct of_device *ofdev = to_of_device(dev);
|
|
int len;
|
|
|
|
len = of_device_get_modalias(ofdev, buf, PAGE_SIZE);
|
|
|
|
buf[len] = '\n';
|
|
buf[len+1] = 0;
|
|
|
|
return len+1;
|
|
}
|
|
|
|
macio_config_of_attr (name, "%s\n");
|
|
macio_config_of_attr (type, "%s\n");
|
|
|
|
struct device_attribute macio_dev_attrs[] = {
|
|
__ATTR_RO(name),
|
|
__ATTR_RO(type),
|
|
__ATTR_RO(compatible),
|
|
__ATTR_RO(modalias),
|
|
__ATTR_NULL
|
|
};
|