proc: convert /proc/bus/nubus to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Родитель
3ae02d6bc1
Коммит
076ec04b8a
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@ -21,6 +21,7 @@
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#include <linux/kernel.h>
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#include <linux/nubus.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/init.h>
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#include <linux/module.h>
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@ -28,38 +29,36 @@
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#include <asm/byteorder.h>
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static int
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get_nubus_dev_info(char *buf, char **start, off_t pos, int count)
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nubus_devices_proc_show(struct seq_file *m, void *v)
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{
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struct nubus_dev *dev = nubus_devices;
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off_t at = 0;
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int len, cnt;
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cnt = 0;
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while (dev && count > cnt) {
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len = sprintf(buf, "%x\t%04x %04x %04x %04x",
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while (dev) {
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seq_printf(m, "%x\t%04x %04x %04x %04x",
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dev->board->slot,
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dev->category,
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dev->type,
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dev->dr_sw,
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dev->dr_hw);
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len += sprintf(buf+len,
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"\t%08lx",
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dev->board->slot_addr);
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buf[len++] = '\n';
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at += len;
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if (at >= pos) {
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if (!*start) {
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*start = buf + (pos - (at - len));
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cnt = at - pos;
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} else
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cnt += len;
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buf += len;
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}
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seq_printf(m, "\t%08lx\n", dev->board->slot_addr);
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dev = dev->next;
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}
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return (count > cnt) ? cnt : count;
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return 0;
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}
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static int nubus_devices_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, nubus_devices_proc_show, NULL);
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}
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static const struct file_operations nubus_devices_proc_fops = {
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.owner = THIS_MODULE,
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.open = nubus_devices_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static struct proc_dir_entry *proc_bus_nubus_dir;
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static void nubus_proc_subdir(struct nubus_dev* dev,
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@ -172,7 +171,6 @@ void __init nubus_proc_init(void)
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if (!MACH_IS_MAC)
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return;
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proc_bus_nubus_dir = proc_mkdir("bus/nubus", NULL);
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create_proc_info_entry("devices", 0, proc_bus_nubus_dir,
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get_nubus_dev_info);
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proc_create("devices", 0, proc_bus_nubus_dir, &nubus_devices_proc_fops);
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proc_bus_nubus_add_devices();
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}
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