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staging: unisys: move uislib/platform proc entry to debugfs 

Convert /proc/uislib/platform to an equivalent entry in debugfs.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Benjamin Romer 2014-05-12 12:38:30 -04:00 committed by Greg Kroah-Hartman
parent b27a00de27
commit 28fa597f43
1 changed files with 17 additions and 45 deletions
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62
drivers/staging/unisys/uislib/uislib.c
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@ -23,6 +23,7 @@
#include <config/modversions.h>
#endif
#include <linux/module.h>
#include <linux/debugfs.h>
#include "commontypes.h"
@ -91,19 +92,23 @@ static int Go_Polling_Device_Channels;
static struct proc_dir_entry *uislib_proc_dir;
static struct proc_dir_entry *uislib_proc_vbus_dir;
static struct proc_dir_entry *info_proc_entry;
static struct proc_dir_entry *platformnumber_proc_entry;
static struct proc_dir_entry *cycles_before_wait_proc_entry;
static struct proc_dir_entry *smart_wakeup_proc_entry;
#define DIR_PROC_ENTRY "uislib"
#define DIR_VBUS_PROC_ENTRY "vbus"
#define INFO_PROC_ENTRY_FN "info"
#define PLATFORMNUMBER_PROC_ENTRY_FN "platform"
#define CYCLES_BEFORE_WAIT_PROC_ENTRY_FN "cycles_before_wait"
#define SMART_WAKEUP_PROC_ENTRY_FN "smart_wakeup"
#define CALLHOME_PROC_ENTRY_FN "callhome"
#define CALLHOME_THROTTLED_PROC_ENTRY_FN "callhome_throttled"
#define DIR_DEBUGFS_ENTRY "uislib"
static struct dentry *dir_debugfs;
#define PLATFORMNUMBER_DEBUGFS_ENTRY_FN "platform"
static struct dentry *platformnumber_debugfs_read;
static unsigned long long cycles_before_wait, wait_cycles;
/*****************************************************/
@ -137,12 +142,6 @@ static const struct file_operations proc_info_fops = {
.read = info_proc_read,
};
static ssize_t platformnumber_proc_read(struct file *file, char __user *buf,
size_t len, loff_t *offset);
static const struct file_operations proc_platformnumber_fops = {
.read = platformnumber_proc_read,
};
static ssize_t cycles_before_wait_proc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *ppos);
@ -1386,36 +1385,6 @@ info_proc_read(struct file *file, char __user *buf, size_t len, loff_t *offset)
ProcReadBuffer, totalBytes);
}
static ssize_t
platformnumber_proc_read(struct file *file, char __user *buf,
size_t len, loff_t *offset)
{
int length = 0;
char *vbuf;
loff_t pos = *offset;
if (pos < 0)
return -EINVAL;
if (pos > 0 || !len)
return 0;
vbuf = kzalloc(len, GFP_KERNEL);
if (!vbuf)
return -ENOMEM;
length = sprintf(vbuf, "%d\n", PlatformNumber);
if (copy_to_user(buf, vbuf, length)) {
kfree(vbuf);
return -EFAULT;
}
kfree(vbuf);
*offset += length;
return length;
}
/* proc/uislib/vbus/<x>/info */
static int
proc_info_vbus_show(struct seq_file *m, void *v)
@ -1824,10 +1793,13 @@ uislib_mod_init(void)
&proc_info_fops);
SET_PROC_OWNER(info_proc_entry, THIS_MODULE);
platformnumber_proc_entry =
proc_create(PLATFORMNUMBER_PROC_ENTRY_FN, 0, uislib_proc_dir,
&proc_platformnumber_fops);
SET_PROC_OWNER(platformnumberinfo_proc_entry, THIS_MODULE);
dir_debugfs = debugfs_create_dir(DIR_DEBUGFS_ENTRY, NULL);
if (dir_debugfs) {
platformnumber_debugfs_read = debugfs_create_u32(
PLATFORMNUMBER_DEBUGFS_ENTRY_FN, 0444, dir_debugfs,
&PlatformNumber);
}
cycles_before_wait_proc_entry =
proc_create(CYCLES_BEFORE_WAIT_PROC_ENTRY_FN, 0, uislib_proc_dir,
@ -1853,9 +1825,6 @@ uislib_mod_exit(void)
remove_proc_entry(SMART_WAKEUP_PROC_ENTRY_FN, uislib_proc_dir);
if (info_proc_entry)
remove_proc_entry(INFO_PROC_ENTRY_FN, uislib_proc_dir);
if (platformnumber_proc_entry)
remove_proc_entry(PLATFORMNUMBER_PROC_ENTRY_FN,
uislib_proc_dir);
if (uislib_proc_vbus_dir)
remove_proc_entry(DIR_VBUS_PROC_ENTRY, uislib_proc_dir);
if (uislib_proc_dir)
@ -1866,6 +1835,9 @@ uislib_mod_exit(void)
ProcReadBuffer = NULL;
}
debugfs_remove(platformnumber_debugfs_read);
debugfs_remove(dir_debugfs);
DBGINF("goodbye.\n");
return;
}