From 7ec967208dceaa534a619f09c6e6fac10a91fa50 Mon Sep 17 00:00:00 2001 From: Benjamin Romer Date: Mon, 12 May 2014 12:38:34 -0400 Subject: [PATCH] staging: unisys: move uislib/info proc entry to debugfs Convert /proc/uislib/info to an equivalent entry under debugfs. Signed-off-by: Benjamin Romer Signed-off-by: Greg Kroah-Hartman --- drivers/staging/unisys/uislib/uislib.c | 40 ++++++++++++++-------------------- 1 file changed, 16 insertions(+), 24 deletions(-) diff --git a/drivers/staging/unisys/uislib/uislib.c b/drivers/staging/unisys/uislib/uislib.c index 35f28579ea47..4e1b0fdc8e16 100644 --- a/drivers/staging/unisys/uislib/uislib.c +++ b/drivers/staging/unisys/uislib/uislib.c @@ -91,11 +91,9 @@ 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; #define DIR_PROC_ENTRY "uislib" #define DIR_VBUS_PROC_ENTRY "vbus" -#define INFO_PROC_ENTRY_FN "info" #define CALLHOME_PROC_ENTRY_FN "callhome" #define CALLHOME_THROTTLED_PROC_ENTRY_FN "callhome_throttled" @@ -112,6 +110,9 @@ static struct dentry *cycles_before_wait_debugfs_read; #define SMART_WAKEUP_DEBUGFS_ENTRY_FN "smart_wakeup" static struct dentry *smart_wakeup_debugfs_entry; +#define INFO_DEBUGFS_ENTRY_FN "info" +static struct dentry *info_debugfs_entry; + static unsigned long long cycles_before_wait, wait_cycles; /*****************************************************/ @@ -134,10 +135,10 @@ static const struct file_operations proc_info_vbus_fops = { .release = single_release, }; -static ssize_t info_proc_read(struct file *file, char __user *buf, +static ssize_t info_debugfs_read(struct file *file, char __user *buf, size_t len, loff_t *offset); -static const struct file_operations proc_info_fops = { - .read = info_proc_read, +static const struct file_operations debugfs_info_fops = { + .read = info_debugfs_read, }; static void @@ -158,16 +159,6 @@ create_bus_proc_entries(struct bus_info *bus) bus->name); return; } - bus->proc_info = proc_create_data("info", 0, bus->proc_dir, - &proc_info_vbus_fops, bus); - if (!bus->proc_info) { - LOGERR("failed to create /proc/uislib/vbus/%s/info", bus->name); - remove_proc_entry(bus->name, uislib_proc_vbus_dir); - bus->proc_dir = NULL; - return; - } - SET_PROC_OWNER(bus->proc_info, THIS_MODULE); - } static __iomem void * @@ -1255,7 +1246,7 @@ EXPORT_SYMBOL_GPL(uislib_cache_free); buff_len, __VA_ARGS__) static int -info_proc_read_helper(char **buff, int *buff_len) +info_debugfs_read_helper(char **buff, int *buff_len) { int i, tot = 0; struct bus_info *bus; @@ -1315,7 +1306,8 @@ err_done: } static ssize_t -info_proc_read(struct file *file, char __user *buf, size_t len, loff_t *offset) +info_debugfs_read(struct file *file, char __user *buf, + size_t len, loff_t *offset) { char *temp; int totalBytes = 0; @@ -1335,9 +1327,9 @@ info_proc_read(struct file *file, char __user *buf, size_t len, loff_t *offset) temp = ProcReadBuffer; if ((*offset == 0) || (!ProcReadBufferValid)) { - DBGINF("calling info_proc_read_helper.\n"); + DBGINF("calling info_debugfs_read_helper.\n"); /* if the read fails, then -1 will be returned */ - totalBytes = info_proc_read_helper(&temp, &remaining_bytes); + totalBytes = info_debugfs_read_helper(&temp, &remaining_bytes); ProcReadBufferValid = 1; } else totalBytes = strlen(ProcReadBuffer); @@ -1679,13 +1671,14 @@ uislib_mod_init(void) /* (e.g., for /proc/uislib/vbus//info) */ uislib_proc_vbus_dir = proc_mkdir(DIR_VBUS_PROC_ENTRY, uislib_proc_dir); - info_proc_entry = proc_create(INFO_PROC_ENTRY_FN, 0, uislib_proc_dir, - &proc_info_fops); - SET_PROC_OWNER(info_proc_entry, THIS_MODULE); dir_debugfs = debugfs_create_dir(DIR_DEBUGFS_ENTRY, NULL); if (dir_debugfs) { + info_debugfs_entry = debugfs_create_file( + INFO_DEBUGFS_ENTRY_FN, 0444, dir_debugfs, NULL, + &debugfs_info_fops); + platformnumber_debugfs_read = debugfs_create_u32( PLATFORMNUMBER_DEBUGFS_ENTRY_FN, 0444, dir_debugfs, &PlatformNumber); @@ -1706,8 +1699,6 @@ uislib_mod_init(void) static void __exit uislib_mod_exit(void) { - if (info_proc_entry) - remove_proc_entry(INFO_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) @@ -1718,6 +1709,7 @@ uislib_mod_exit(void) ProcReadBuffer = NULL; } + debugfs_remove(info_debugfs_entry); debugfs_remove(smart_wakeup_debugfs_entry); debugfs_remove(cycles_before_wait_debugfs_read); debugfs_remove(platformnumber_debugfs_read); -- 2.11.0