Jeff Mahoney | b5bf5b6 | 2005-07-06 15:26:27 -0400 | [diff] [blame] | 1 | #include <linux/kernel.h> |
| 2 | #include <linux/stat.h> |
| 3 | #include <asm/macio.h> |
| 4 | |
| 5 | |
| 6 | #define macio_config_of_attr(field, format_string) \ |
| 7 | static ssize_t \ |
| 8 | field##_show (struct device *dev, struct device_attribute *attr, \ |
| 9 | char *buf) \ |
| 10 | { \ |
| 11 | struct macio_dev *mdev = to_macio_device (dev); \ |
| 12 | return sprintf (buf, format_string, mdev->ofdev.node->field); \ |
| 13 | } |
| 14 | |
| 15 | static ssize_t |
| 16 | compatible_show (struct device *dev, struct device_attribute *attr, char *buf) |
| 17 | { |
| 18 | struct of_device *of; |
Jeremy Kerr | 018a3d1 | 2006-07-12 15:40:29 +1000 | [diff] [blame] | 19 | const char *compat; |
Jeff Mahoney | b5bf5b6 | 2005-07-06 15:26:27 -0400 | [diff] [blame] | 20 | int cplen; |
| 21 | int length = 0; |
| 22 | |
| 23 | of = &to_macio_device (dev)->ofdev; |
Jeremy Kerr | 018a3d1 | 2006-07-12 15:40:29 +1000 | [diff] [blame] | 24 | compat = get_property(of->node, "compatible", &cplen); |
Jeff Mahoney | b5bf5b6 | 2005-07-06 15:26:27 -0400 | [diff] [blame] | 25 | if (!compat) { |
| 26 | *buf = '\0'; |
| 27 | return 0; |
| 28 | } |
| 29 | while (cplen > 0) { |
| 30 | int l; |
| 31 | length += sprintf (buf, "%s\n", compat); |
| 32 | buf += length; |
| 33 | l = strlen (compat) + 1; |
| 34 | compat += l; |
| 35 | cplen -= l; |
| 36 | } |
| 37 | |
| 38 | return length; |
| 39 | } |
| 40 | |
scwhab@suse.de | dcb34ab | 2005-10-28 17:46:20 -0700 | [diff] [blame] | 41 | static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, |
| 42 | char *buf) |
| 43 | { |
| 44 | struct of_device *of; |
Jeremy Kerr | 018a3d1 | 2006-07-12 15:40:29 +1000 | [diff] [blame] | 45 | const char *compat; |
scwhab@suse.de | dcb34ab | 2005-10-28 17:46:20 -0700 | [diff] [blame] | 46 | int cplen; |
| 47 | int length; |
| 48 | |
| 49 | of = &to_macio_device (dev)->ofdev; |
Jeremy Kerr | 018a3d1 | 2006-07-12 15:40:29 +1000 | [diff] [blame] | 50 | compat = get_property(of->node, "compatible", &cplen); |
scwhab@suse.de | dcb34ab | 2005-10-28 17:46:20 -0700 | [diff] [blame] | 51 | if (!compat) compat = "", cplen = 1; |
| 52 | length = sprintf (buf, "of:N%sT%s", of->node->name, of->node->type); |
| 53 | buf += length; |
| 54 | while (cplen > 0) { |
| 55 | int l; |
| 56 | length += sprintf (buf, "C%s", compat); |
| 57 | buf += length; |
| 58 | l = strlen (compat) + 1; |
| 59 | compat += l; |
| 60 | cplen -= l; |
| 61 | } |
| 62 | |
| 63 | return length; |
| 64 | } |
| 65 | |
Jeff Mahoney | b5bf5b6 | 2005-07-06 15:26:27 -0400 | [diff] [blame] | 66 | macio_config_of_attr (name, "%s\n"); |
| 67 | macio_config_of_attr (type, "%s\n"); |
| 68 | |
| 69 | struct device_attribute macio_dev_attrs[] = { |
| 70 | __ATTR_RO(name), |
| 71 | __ATTR_RO(type), |
| 72 | __ATTR_RO(compatible), |
scwhab@suse.de | dcb34ab | 2005-10-28 17:46:20 -0700 | [diff] [blame] | 73 | __ATTR_RO(modalias), |
Jeff Mahoney | b5bf5b6 | 2005-07-06 15:26:27 -0400 | [diff] [blame] | 74 | __ATTR_NULL |
| 75 | }; |