1 #include <linux/config.h> 2 #include <linux/kernel.h> 3 #include <linux/stat.h> 4 #include <asm/macio.h> 5 6 7 #define macio_config_of_attr(field, format_string) \ 8 static ssize_t \ 9 field##_show (struct device *dev, struct device_attribute *attr, \ 10 char *buf) \ 11 { \ 12 struct macio_dev *mdev = to_macio_device (dev); \ 13 return sprintf (buf, format_string, mdev->ofdev.node->field); \ 14 } 15 16 static ssize_t 17 compatible_show (struct device *dev, struct device_attribute *attr, char *buf) 18 { 19 struct of_device *of; 20 char *compat; 21 int cplen; 22 int length = 0; 23 24 of = &to_macio_device (dev)->ofdev; 25 compat = (char *) get_property(of->node, "compatible", &cplen); 26 if (!compat) { 27 *buf = '\0'; 28 return 0; 29 } 30 while (cplen > 0) { 31 int l; 32 length += sprintf (buf, "%s\n", compat); 33 buf += length; 34 l = strlen (compat) + 1; 35 compat += l; 36 cplen -= l; 37 } 38 39 return length; 40 } 41 42 macio_config_of_attr (name, "%s\n"); 43 macio_config_of_attr (type, "%s\n"); 44 45 struct device_attribute macio_dev_attrs[] = { 46 __ATTR_RO(name), 47 __ATTR_RO(type), 48 __ATTR_RO(compatible), 49 __ATTR_NULL 50 }; 51