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

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Convert /proc/uislib/smart_wakeup 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 12:38:32 -04:00 committed by Greg Kroah-Hartman
parent b913a2ef77
commit 81d2d7de0b
1 changed files with 9 additions and 50 deletions
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59
drivers/staging/unisys/uislib/uislib.c
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@ -92,12 +92,11 @@ 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 *smart_wakeup_proc_entry;
#define DIR_PROC_ENTRY "uislib"
#define DIR_VBUS_PROC_ENTRY "vbus"
#define INFO_PROC_ENTRY_FN "info"
#define SMART_WAKEUP_PROC_ENTRY_FN "smart_wakeup"
#define CALLHOME_PROC_ENTRY_FN "callhome"
#define CALLHOME_THROTTLED_PROC_ENTRY_FN "callhome_throttled"
@ -110,6 +109,9 @@ static struct dentry *platformnumber_debugfs_read;
#define CYCLES_BEFORE_WAIT_DEBUGFS_ENTRY_FN "cycles_before_wait"
static struct dentry *cycles_before_wait_debugfs_read;
#define SMART_WAKEUP_DEBUGFS_ENTRY_FN "smart_wakeup"
static struct dentry *smart_wakeup_debugfs_entry;
static unsigned long long cycles_before_wait, wait_cycles;
/*****************************************************/
@ -143,14 +145,6 @@ static const struct file_operations proc_info_fops = {
.read = info_proc_read,
};
static ssize_t smart_wakeup_proc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *ppos);
static const struct file_operations proc_smart_wakeup_fops = {
.read = uislib_proc_read_writeonly,
.write = smart_wakeup_proc_write,
};
static void
init_msg_header(CONTROLVM_MESSAGE *msg, U32 id, uint rsp, uint svr)
{
@ -1423,39 +1417,6 @@ uislib_proc_read_writeonly(struct file *file, char __user *buffer,
return 0;
}
static ssize_t
smart_wakeup_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
char buf[16];
int new_value;
#define SMART_WAKEUP_USE_ERROR { \
LOGERR("Incorrect smart_wakeup Input 0 disables smart_wakeup, and 1 enables smart_wakeup.\n"); \
pr_info("echo 0 > smart_wakeup\n"); \
pr_info("echo 1 > smart_wakeup\n"); \
return -EFAULT; \
}
if (count >= ARRAY_SIZE(buf))
return -EINVAL;
if (count == 0)
SMART_WAKEUP_USE_ERROR;
if (copy_from_user(buf, buffer, count)) {
LOGERR("copy_from_user failed.\n");
return -EFAULT;
}
buf[count - 1] = '\0'; /* Replace the LF at the end of the
* input with a NULL */
/* Pull out the smart_wakeup must be decimal integer */
if (sscanf(buf, "%d", &new_value) != 1)
SMART_WAKEUP_USE_ERROR;
en_smart_wakeup = new_value;
return count;
}
static struct device_info *
find_dev(U32 busNo, U32 devNo)
{
@ -1765,12 +1726,11 @@ uislib_mod_init(void)
cycles_before_wait_debugfs_read = debugfs_create_u64(
CYCLES_BEFORE_WAIT_DEBUGFS_ENTRY_FN, 0666, dir_debugfs,
&cycles_before_wait);
}
smart_wakeup_proc_entry =
proc_create(SMART_WAKEUP_PROC_ENTRY_FN, 0, uislib_proc_dir,
&proc_smart_wakeup_fops);
SET_PROC_OWNER(smart_wakeup_proc_entry, THIS_MODULE);
smart_wakeup_debugfs_entry = debugfs_create_bool(
SMART_WAKEUP_DEBUGFS_ENTRY_FN, 0666, dir_debugfs,
&en_smart_wakeup);
}
POSTCODE_LINUX_3(DRIVER_EXIT_PC, 0, POSTCODE_SEVERITY_INFO);
return 0;
@ -1779,8 +1739,6 @@ uislib_mod_init(void)
static void __exit
uislib_mod_exit(void)
{
if (smart_wakeup_proc_entry)
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 (uislib_proc_vbus_dir)
@ -1793,6 +1751,7 @@ uislib_mod_exit(void)
ProcReadBuffer = NULL;
}
debugfs_remove(smart_wakeup_debugfs_entry);
debugfs_remove(cycles_before_wait_debugfs_read);
debugfs_remove(platformnumber_debugfs_read);
debugfs_remove(dir_debugfs);