watchdog: ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Yangtao Li 2018-12-01 09:51:40 -05:00 committed by Wim Van Sebroeck
parent 57808f448b
commit 248e655b45
1 changed files with 3 additions and 13 deletions

View File

@ -193,7 +193,7 @@ static struct watchdog_device ie6xx_wdt_dev = {
#ifdef CONFIG_DEBUG_FS
static int ie6xx_wdt_dbg_show(struct seq_file *s, void *unused)
static int ie6xx_wdt_show(struct seq_file *s, void *unused)
{
seq_printf(s, "PV1 = 0x%08x\n",
inl(ie6xx_wdt_data.sch_wdtba + PV1));
@ -212,23 +212,13 @@ static int ie6xx_wdt_dbg_show(struct seq_file *s, void *unused)
return 0;
}
static int ie6xx_wdt_dbg_open(struct inode *inode, struct file *file)
{
return single_open(file, ie6xx_wdt_dbg_show, NULL);
}
static const struct file_operations ie6xx_wdt_dbg_operations = {
.open = ie6xx_wdt_dbg_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
DEFINE_SHOW_ATTRIBUTE(ie6xx_wdt);
static void ie6xx_wdt_debugfs_init(void)
{
/* /sys/kernel/debug/ie6xx_wdt */
ie6xx_wdt_data.debugfs = debugfs_create_file("ie6xx_wdt",
S_IFREG | S_IRUGO, NULL, NULL, &ie6xx_wdt_dbg_operations);
S_IFREG | S_IRUGO, NULL, NULL, &ie6xx_wdt_fops);
}
static void ie6xx_wdt_debugfs_exit(void)