zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/macintosh/macio_sysfs.c b/ap/os/linux/linux-3.4.x/drivers/macintosh/macio_sysfs.c
new file mode 100644
index 0000000..8eb40af
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/macintosh/macio_sysfs.c
@@ -0,0 +1,71 @@
+#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.dev.of_node->field); \
+}
+
+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 ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2);
+
+ buf[len] = '\n';
+ buf[len+1] = 0;
+
+ return len+1;
+}
+
+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, "%s\n", ofdev->dev.of_node->full_name);
+}
+
+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_RO(devspec),
+ __ATTR_NULL
+};