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