Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Thomas Zimmermann |
222 |
89.52% |
2 |
33.33% |
| Linus Torvalds |
12 |
4.84% |
1 |
16.67% |
| Antonino A. Daplas |
9 |
3.63% |
1 |
16.67% |
| Linus Torvalds (pre-git) |
3 |
1.21% |
1 |
16.67% |
| Daniel Vetter |
2 |
0.81% |
1 |
16.67% |
| Total |
248 |
|
6 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/proc_fs.h>
#include "fb_internal.h"
static struct proc_dir_entry *fb_proc_dir_entry;
static void *fb_seq_start(struct seq_file *m, loff_t *pos)
{
mutex_lock(®istration_lock);
return (*pos < FB_MAX) ? pos : NULL;
}
static void fb_seq_stop(struct seq_file *m, void *v)
{
mutex_unlock(®istration_lock);
}
static void *fb_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
(*pos)++;
return (*pos < FB_MAX) ? pos : NULL;
}
static int fb_seq_show(struct seq_file *m, void *v)
{
int i = *(loff_t *)v;
struct fb_info *fi = registered_fb[i];
if (fi)
seq_printf(m, "%d %s\n", fi->node, fi->fix.id);
return 0;
}
static const struct seq_operations __maybe_unused fb_proc_seq_ops = {
.start = fb_seq_start,
.stop = fb_seq_stop,
.next = fb_seq_next,
.show = fb_seq_show,
};
int fb_init_procfs(void)
{
struct proc_dir_entry *proc;
proc = proc_create_seq("fb", 0, NULL, &fb_proc_seq_ops);
if (!proc)
return -ENOMEM;
fb_proc_dir_entry = proc;
return 0;
}
void fb_cleanup_procfs(void)
{
proc_remove(fb_proc_dir_entry);
}