diff options
Diffstat (limited to 'drivers/nubus/proc.c')
| -rw-r--r-- | drivers/nubus/proc.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/drivers/nubus/proc.c b/drivers/nubus/proc.c index cb83acef9479..208dd12825bc 100644 --- a/drivers/nubus/proc.c +++ b/drivers/nubus/proc.c @@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <linux/nubus.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/init.h> #include <linux/module.h> @@ -28,38 +29,36 @@ #include <asm/byteorder.h> static int -get_nubus_dev_info(char *buf, char **start, off_t pos, int count) +nubus_devices_proc_show(struct seq_file *m, void *v) { struct nubus_dev *dev = nubus_devices; - off_t at = 0; - int len, cnt; - cnt = 0; - while (dev && count > cnt) { - len = sprintf(buf, "%x\t%04x %04x %04x %04x", + while (dev) { + seq_printf(m, "%x\t%04x %04x %04x %04x", dev->board->slot, dev->category, dev->type, dev->dr_sw, dev->dr_hw); - len += sprintf(buf+len, - "\t%08lx", - dev->board->slot_addr); - buf[len++] = '\n'; - at += len; - if (at >= pos) { - if (!*start) { - *start = buf + (pos - (at - len)); - cnt = at - pos; - } else - cnt += len; - buf += len; - } + seq_printf(m, "\t%08lx\n", dev->board->slot_addr); dev = dev->next; } - return (count > cnt) ? cnt : count; + return 0; +} + +static int nubus_devices_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, nubus_devices_proc_show, NULL); } +static const struct file_operations nubus_devices_proc_fops = { + .owner = THIS_MODULE, + .open = nubus_devices_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + static struct proc_dir_entry *proc_bus_nubus_dir; static void nubus_proc_subdir(struct nubus_dev* dev, @@ -172,7 +171,6 @@ void __init nubus_proc_init(void) if (!MACH_IS_MAC) return; proc_bus_nubus_dir = proc_mkdir("bus/nubus", NULL); - create_proc_info_entry("devices", 0, proc_bus_nubus_dir, - get_nubus_dev_info); + proc_create("devices", 0, proc_bus_nubus_dir, &nubus_devices_proc_fops); proc_bus_nubus_add_devices(); } |