Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx>
---
drivers/mmc/core/mmc_test.c | 14 ++------------
drivers/mmc/host/atmel-mci.c | 31 +++++--------------------------
drivers/mmc/host/omap_hsmmc.c | 14 ++------------
drivers/mmc/host/s3cmci.c | 30 ++++--------------------------
4 files changed, 13 insertions(+), 76 deletions(-)
diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c
index ef18daeaa4cc..eabb1cab1765 100644
--- a/drivers/mmc/core/mmc_test.c
+++ b/drivers/mmc/core/mmc_test.c
@@ -3145,17 +3145,7 @@ static int mtf_testlist_show(struct seq_file *sf, void *data)
return 0;
}
-static int mtf_testlist_open(struct inode *inode, struct file *file)
-{
- return single_open(file, mtf_testlist_show, inode->i_private);
-}
-
-static const struct file_operations mmc_test_fops_testlist = {
- .open = mtf_testlist_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mtf_testlist);
static void mmc_test_free_dbgfs_file(struct mmc_card *card)
{
@@ -3216,7 +3206,7 @@ static int mmc_test_register_dbgfs_file(struct mmc_card *card)
goto err;
ret = __mmc_test_register_dbgfs_file(card, "testlist", S_IRUGO,
- &mmc_test_fops_testlist);
+ &mtf_testlist_fops);
if (ret)
goto err;
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index be53044086c7..7469a7e369c0 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -446,18 +446,7 @@ static int atmci_req_show(struct seq_file *s, void *v)
return 0;
}
-static int atmci_req_open(struct inode *inode, struct file *file)
-{
- return single_open(file, atmci_req_show, inode->i_private);
-}
-
-static const struct file_operations atmci_req_fops = {
- .owner = THIS_MODULE,
- .open = atmci_req_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(atmci_req);
static void atmci_show_status_reg(struct seq_file *s,
const char *regname, u32 value)
@@ -583,18 +572,7 @@ static int atmci_regs_show(struct seq_file *s, void *v)
return ret;
}
-static int atmci_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, atmci_regs_show, inode->i_private);
-}
-
-static const struct file_operations atmci_regs_fops = {
- .owner = THIS_MODULE,
- .open = atmci_regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(atmci_regs);
static void atmci_init_debugfs(struct atmel_mci_slot *slot)
{
@@ -608,13 +586,14 @@ static void atmci_init_debugfs(struct atmel_mci_slot *slot)
return;
node = debugfs_create_file("regs", S_IRUSR, root, host,
- &atmci_regs_fops);
+ &atmci_regs_fops);
if (IS_ERR(node))
return;
if (!node)
goto err;
- node = debugfs_create_file("req", S_IRUSR, root, slot, &atmci_req_fops);
+ node = debugfs_create_file("req", S_IRUSR, root, slot,
+ &atmci_req_fops);
if (!node)
goto err;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 467d889a1638..6094e9e687b1 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1652,7 +1652,7 @@ static struct mmc_host_ops omap_hsmmc_ops = {
#ifdef CONFIG_DEBUG_FS
-static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
+static int mmc_regs_show(struct seq_file *s, void *data)
{
struct mmc_host *mmc = s->private;
struct omap_hsmmc_host *host = mmc_priv(mmc);
@@ -1691,17 +1691,7 @@ static int omap_hsmmc_regs_show(struct seq_file *s, void *data)
return 0;
}
-static int omap_hsmmc_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, omap_hsmmc_regs_show, inode->i_private);
-}
-
-static const struct file_operations mmc_regs_fops = {
- .open = omap_hsmmc_regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mmc_regs);
static void omap_hsmmc_debugfs(struct mmc_host *mmc)
{
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index f77493604312..51069a43d609 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1406,18 +1406,7 @@ static int s3cmci_state_show(struct seq_file *seq, void *v)
return 0;
}
-static int s3cmci_state_open(struct inode *inode, struct file *file)
-{
- return single_open(file, s3cmci_state_show, inode->i_private);
-}
-
-static const struct file_operations s3cmci_fops_state = {
- .owner = THIS_MODULE,
- .open = s3cmci_state_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(s3cmci_state);
#define DBG_REG(_r) { .addr = S3C2410_SDI##_r, .name = #_r }
@@ -1459,18 +1448,7 @@ static int s3cmci_regs_show(struct seq_file *seq, void *v)
return 0;
}
-static int s3cmci_regs_open(struct inode *inode, struct file *file)
-{
- return single_open(file, s3cmci_regs_show, inode->i_private);
-}
-
-static const struct file_operations s3cmci_fops_regs = {
- .owner = THIS_MODULE,
- .open = s3cmci_regs_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(s3cmci_regs);
static void s3cmci_debugfs_attach(struct s3cmci_host *host)
{
@@ -1484,14 +1462,14 @@ static void s3cmci_debugfs_attach(struct s3cmci_host *host)
host->debug_state = debugfs_create_file("state", 0444,
host->debug_root, host,
- &s3cmci_fops_state);
+ &s3cmci_state_fops);
if (IS_ERR(host->debug_state))
dev_err(dev, "failed to create debug state file\n");
host->debug_regs = debugfs_create_file("regs", 0444,
host->debug_root, host,
- &s3cmci_fops_regs);
+ &s3cmci_regs_fops);
if (IS_ERR(host->debug_regs))
dev_err(dev, "failed to create debug regs file\n");
--
2.17.0
