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authorAlexey Dobriyan <adobriyan@sw.ru>2008-04-29 01:01:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-29 08:06:19 -0700
commit076ec04b8ac84a04df67840f15f36218d7519510 (patch)
tree3c1e0ca629bed45cd7f642f2648dd3606e714386 /drivers/nubus
parent3ae02d6bc1c1b3784fec9e9e016e7e3dcc2f8727 (diff)
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>
Diffstat (limited to 'drivers/nubus')
-rw-r--r--drivers/nubus/proc.c42
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();
}

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