2023-09-05 18:53:02

by Xingui Yang

[permalink] [raw]
Subject: [PATCH v6 2/3] scsi: hisi_sas: Use DEFINE_SHOW_STORE_ATTRIBUTE() helper for debugfs

Use DEFINE_SHOW_STORE_ATTRIBUTE() helper for read-write file to reduce some
duplicated code.

Signed-off-by: Luo Jiaxing <[email protected]>
Co-developed-by: Xingui Yang <[email protected]>
Signed-off-by: Xingui Yang <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 137 ++-----------------------
1 file changed, 9 insertions(+), 128 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index bbb64ee6afd7..5bb35c3ea4e5 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -3990,22 +3990,7 @@ static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp,

return count;
}
-
-static int debugfs_bist_linkrate_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_linkrate_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_linkrate_v3_hw_fops = {
- .open = debugfs_bist_linkrate_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_linkrate_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_linkrate_v3_hw);

static const struct {
int value;
@@ -4080,22 +4065,7 @@ static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp,

return count;
}
-
-static int debugfs_bist_code_mode_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_code_mode_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_code_mode_v3_hw_fops = {
- .open = debugfs_bist_code_mode_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_code_mode_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_code_mode_v3_hw);

static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp,
const char __user *buf,
@@ -4129,22 +4099,7 @@ static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p)

return 0;
}
-
-static int debugfs_bist_phy_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_phy_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_phy_v3_hw_fops = {
- .open = debugfs_bist_phy_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_phy_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_phy_v3_hw);

static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp,
const char __user *buf,
@@ -4177,22 +4132,7 @@ static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p)

return 0;
}
-
-static int debugfs_bist_cnt_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_cnt_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_cnt_v3_hw_ops = {
- .open = debugfs_bist_cnt_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_cnt_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_cnt_v3_hw);

static const struct {
int value;
@@ -4256,22 +4196,7 @@ static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp,

return count;
}
-
-static int debugfs_bist_mode_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_mode_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_mode_v3_hw_fops = {
- .open = debugfs_bist_mode_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_mode_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_mode_v3_hw);

static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp,
const char __user *buf,
@@ -4309,22 +4234,7 @@ static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p)

return 0;
}
-
-static int debugfs_bist_enable_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_bist_enable_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_bist_enable_v3_hw_fops = {
- .open = debugfs_bist_enable_v3_hw_open,
- .read = seq_read,
- .write = debugfs_bist_enable_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_enable_v3_hw);

static const struct {
char *name;
@@ -4362,21 +4272,7 @@ static int debugfs_v3_hw_show(struct seq_file *s, void *p)

return 0;
}
-
-static int debugfs_v3_hw_open(struct inode *inode, struct file *filp)
-{
- return single_open(filp, debugfs_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_v3_hw_fops = {
- .open = debugfs_v3_hw_open,
- .read = seq_read,
- .write = debugfs_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_v3_hw);

static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp,
const char __user *buf,
@@ -4407,22 +4303,7 @@ static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p)

return 0;
}
-
-static int debugfs_phy_down_cnt_v3_hw_open(struct inode *inode,
- struct file *filp)
-{
- return single_open(filp, debugfs_phy_down_cnt_v3_hw_show,
- inode->i_private);
-}
-
-static const struct file_operations debugfs_phy_down_cnt_v3_hw_fops = {
- .open = debugfs_phy_down_cnt_v3_hw_open,
- .read = seq_read,
- .write = debugfs_phy_down_cnt_v3_hw_write,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_phy_down_cnt_v3_hw);

enum fifo_dump_mode_v3_hw {
FIFO_DUMP_FORVER = (1U << 0),
@@ -4832,7 +4713,7 @@ static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba)
hisi_hba, &debugfs_bist_phy_v3_hw_fops);

debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry,
- hisi_hba, &debugfs_bist_cnt_v3_hw_ops);
+ hisi_hba, &debugfs_bist_cnt_v3_hw_fops);

debugfs_create_file("loopback_mode", 0600,
hisi_hba->debugfs_bist_dentry,
--
2.17.1