[PATCH 2/2] platform/x86: intel_telemetry: convert to DEFINE_SHOW_ATTRIBUTE

From: Yangtao Li
Date: Wed Dec 05 2018 - 10:13:14 EST


Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
.../platform/x86/intel_telemetry_debugfs.c | 42 +++----------------
1 file changed, 6 insertions(+), 36 deletions(-)

diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c
index 40bce560eb30..98ba9185a27b 100644
--- a/drivers/platform/x86/intel_telemetry_debugfs.c
+++ b/drivers/platform/x86/intel_telemetry_debugfs.c
@@ -466,17 +466,7 @@ static int telem_pss_states_show(struct seq_file *s, void *unused)
return 0;
}

-static int telem_pss_state_open(struct inode *inode, struct file *file)
-{
- return single_open(file, telem_pss_states_show, inode->i_private);
-}
-
-static const struct file_operations telem_pss_ops = {
- .open = telem_pss_state_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(telem_pss_states);

static int telem_ioss_states_show(struct seq_file *s, void *unused)
{
@@ -505,17 +495,7 @@ static int telem_ioss_states_show(struct seq_file *s, void *unused)
return 0;
}

-static int telem_ioss_state_open(struct inode *inode, struct file *file)
-{
- return single_open(file, telem_ioss_states_show, inode->i_private);
-}
-
-static const struct file_operations telem_ioss_ops = {
- .open = telem_ioss_state_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(telem_ioss_states);

static int telem_soc_states_show(struct seq_file *s, void *unused)
{
@@ -664,17 +644,7 @@ static int telem_soc_states_show(struct seq_file *s, void *unused)
return 0;
}

-static int telem_soc_state_open(struct inode *inode, struct file *file)
-{
- return single_open(file, telem_soc_states_show, inode->i_private);
-}
-
-static const struct file_operations telem_socstate_ops = {
- .open = telem_soc_state_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(telem_soc_states);

static int telem_s0ix_res_get(void *data, u64 *val)
{
@@ -960,7 +930,7 @@ static int __init telemetry_debugfs_init(void)

f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO,
debugfs_conf->telemetry_dbg_dir, NULL,
- &telem_pss_ops);
+ &telem_pss_states_fops);
if (!f) {
pr_err("pss_sample_info debugfs register failed\n");
goto out;
@@ -968,7 +938,7 @@ static int __init telemetry_debugfs_init(void)

f = debugfs_create_file("ioss_info", S_IFREG | S_IRUGO,
debugfs_conf->telemetry_dbg_dir, NULL,
- &telem_ioss_ops);
+ &telem_ioss_states_fops);
if (!f) {
pr_err("ioss_sample_info debugfs register failed\n");
goto out;
@@ -976,7 +946,7 @@ static int __init telemetry_debugfs_init(void)

f = debugfs_create_file("soc_states", S_IFREG | S_IRUGO,
debugfs_conf->telemetry_dbg_dir,
- NULL, &telem_socstate_ops);
+ NULL, &telem_soc_states_fops);
if (!f) {
pr_err("ioss_sample_info debugfs register failed\n");
goto out;
--
2.17.0