Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 016d6f35 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Andi Kleen
Browse files

[PATCH] i386: Convert /proc/apm to seqfile



Byte-to-byte identical /proc/apm here.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent b0957f1a
Loading
Loading
Loading
Loading
+18 −8
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/miscdevice.h>
#include <linux/apm_bios.h>
#include <linux/init.h>
@@ -1636,9 +1637,8 @@ static int do_open(struct inode * inode, struct file * filp)
	return 0;
}

static int apm_get_info(char *buf, char **start, off_t fpos, int length)
static int proc_apm_show(struct seq_file *m, void *v)
{
	char *		p;
	unsigned short	bx;
	unsigned short	cx;
	unsigned short	dx;
@@ -1650,8 +1650,6 @@ static int apm_get_info(char *buf, char **start, off_t fpos, int length)
	int             time_units     = -1;
	char            *units         = "?";

	p = buf;

	if ((num_online_cpus() == 1) &&
	    !(error = apm_get_power_status(&bx, &cx, &dx))) {
		ac_line_status = (bx >> 8) & 0xff;
@@ -1705,7 +1703,7 @@ static int apm_get_info(char *buf, char **start, off_t fpos, int length)
	      -1: Unknown
	   8) min = minutes; sec = seconds */

	p += sprintf(p, "%s %d.%d 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n",
	seq_printf(m, "%s %d.%d 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n",
		     driver_version,
		     (apm_info.bios.version >> 8) & 0xff,
		     apm_info.bios.version & 0xff,
@@ -1716,10 +1714,22 @@ static int apm_get_info(char *buf, char **start, off_t fpos, int length)
		     percentage,
		     time_units,
		     units);
	return 0;
}

	return p - buf;
static int proc_apm_open(struct inode *inode, struct file *file)
{
	return single_open(file, proc_apm_show, NULL);
}

static const struct file_operations apm_file_ops = {
	.owner		= THIS_MODULE,
	.open		= proc_apm_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};

static int apm(void *unused)
{
	unsigned short	bx;
@@ -2341,9 +2351,9 @@ static int __init apm_init(void)
	set_base(gdt[APM_DS >> 3],
		 __va((unsigned long)apm_info.bios.dseg << 4));

	apm_proc = create_proc_info_entry("apm", 0, NULL, apm_get_info);
	apm_proc = create_proc_entry("apm", 0, NULL);
	if (apm_proc)
		apm_proc->owner = THIS_MODULE;
		apm_proc->proc_fops = &apm_file_ops;

	kapmd_task = kthread_create(apm, NULL, "kapmd");
	if (IS_ERR(kapmd_task)) {