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Bluetooth: Remove pointless casts from Marvell debugfs support

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The Marvell Bluetooth driver has debugfs support and they are casting
like there is no tomorrow. Remove all of them and magically the code
becomes more readable.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2009-06-09 15:48:35 +02:00
parent 944fe798c6
commit 542399037d
1 changed files with 106 additions and 143 deletions
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249
drivers/bluetooth/btmrvl_debugfs.c
View file

@ -51,20 +51,15 @@ static int btmrvl_open_generic(struct inode *inode, struct file *file)
} }
static ssize_t btmrvl_hscfgcmd_write(struct file *file, static ssize_t btmrvl_hscfgcmd_write(struct file *file,
const char __user *ubuf, const char __user *ubuf, size_t count, loff_t *ppos)
size_t count,
loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 10, &result); ret = strict_strtol(buf, 10, &result);
@ -79,38 +74,35 @@ static ssize_t btmrvl_hscfgcmd_write(struct file *file,
return count; return count;
} }
static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
priv->btmrvl_dev.hscfgcmd); priv->btmrvl_dev.hscfgcmd);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_hscfgcmd_fops = { static const struct file_operations btmrvl_hscfgcmd_fops = {
.read = btmrvl_hscfgcmd_read, .read = btmrvl_hscfgcmd_read,
.write = btmrvl_hscfgcmd_write, .write = btmrvl_hscfgcmd_write,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf, static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 10, &result); ret = strict_strtol(buf, 10, &result);
@ -120,38 +112,35 @@ static ssize_t btmrvl_psmode_write(struct file *file, const char __user *ubuf,
return count; return count;
} }
static ssize_t btmrvl_psmode_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
priv->btmrvl_dev.psmode); priv->btmrvl_dev.psmode);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_psmode_fops = { static const struct file_operations btmrvl_psmode_fops = {
.read = btmrvl_psmode_read, .read = btmrvl_psmode_read,
.write = btmrvl_psmode_write, .write = btmrvl_psmode_write,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf, static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 10, &result); ret = strict_strtol(buf, 10, &result);
@ -167,13 +156,12 @@ static ssize_t btmrvl_pscmd_write(struct file *file, const char __user *ubuf,
} }
static ssize_t btmrvl_pscmd_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd); ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.pscmd);
@ -187,17 +175,15 @@ static const struct file_operations btmrvl_pscmd_fops = {
}; };
static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf, static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 16, &result); ret = strict_strtol(buf, 16, &result);
@ -207,38 +193,35 @@ static ssize_t btmrvl_gpiogap_write(struct file *file, const char __user *ubuf,
return count; return count;
} }
static ssize_t btmrvl_gpiogap_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n", ret = snprintf(buf, sizeof(buf) - 1, "0x%x\n",
priv->btmrvl_dev.gpio_gap); priv->btmrvl_dev.gpio_gap);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_gpiogap_fops = { static const struct file_operations btmrvl_gpiogap_fops = {
.read = btmrvl_gpiogap_read, .read = btmrvl_gpiogap_read,
.write = btmrvl_gpiogap_write, .write = btmrvl_gpiogap_write,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf, static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = (struct btmrvl_private *) file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 10, &result); ret = strict_strtol(buf, 10, &result);
@ -252,13 +235,12 @@ static ssize_t btmrvl_hscmd_write(struct file *file, const char __user *ubuf,
return count; return count;
} }
static ssize_t btmrvl_hscmd_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd); ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hscmd);
@ -266,23 +248,21 @@ static ssize_t btmrvl_hscmd_read(struct file *file, char __user * userbuf,
} }
static const struct file_operations btmrvl_hscmd_fops = { static const struct file_operations btmrvl_hscmd_fops = {
.read = btmrvl_hscmd_read, .read = btmrvl_hscmd_read,
.write = btmrvl_hscmd_write, .write = btmrvl_hscmd_write,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf, static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
long result, ret;
char buf[16]; char buf[16];
long result, ret;
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
if (copy_from_user(&buf, ubuf, if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT; return -EFAULT;
ret = strict_strtol(buf, 10, &result); ret = strict_strtol(buf, 10, &result);
@ -293,32 +273,29 @@ static ssize_t btmrvl_hsmode_write(struct file *file, const char __user *ubuf,
} }
static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->btmrvl_dev.hsmode);
priv->btmrvl_dev.hsmode);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_hsmode_fops = { static const struct file_operations btmrvl_hsmode_fops = {
.read = btmrvl_hsmode_read, .read = btmrvl_hsmode_read,
.write = btmrvl_hsmode_write, .write = btmrvl_hsmode_write,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_curpsmode_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode); ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->psmode);
@ -326,71 +303,65 @@ static ssize_t btmrvl_curpsmode_read(struct file *file, char __user * userbuf,
} }
static const struct file_operations btmrvl_curpsmode_fops = { static const struct file_operations btmrvl_curpsmode_fops = {
.read = btmrvl_curpsmode_read, .read = btmrvl_curpsmode_read,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->ps_state);
priv->adapter->ps_state);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_psstate_fops = { static const struct file_operations btmrvl_psstate_fops = {
.read = btmrvl_psstate_read, .read = btmrvl_psstate_read,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_hsstate_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n", priv->adapter->hs_state);
priv->adapter->hs_state);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_hsstate_fops = { static const struct file_operations btmrvl_hsstate_fops = {
.read = btmrvl_hsstate_read, .read = btmrvl_hsstate_read,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
static ssize_t btmrvl_txdnldready_read(struct file *file, char __user * userbuf, static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos) size_t count, loff_t *ppos)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = file->private_data;
(struct btmrvl_private *) file->private_data;
int ret;
char buf[16]; char buf[16];
int ret;
ret = snprintf(buf, sizeof(buf) - 1, "%d\n", ret = snprintf(buf, sizeof(buf) - 1, "%d\n",
priv->btmrvl_dev.tx_dnld_rdy); priv->btmrvl_dev.tx_dnld_rdy);
return simple_read_from_buffer(userbuf, count, ppos, buf, ret); return simple_read_from_buffer(userbuf, count, ppos, buf, ret);
} }
static const struct file_operations btmrvl_txdnldready_fops = { static const struct file_operations btmrvl_txdnldready_fops = {
.read = btmrvl_txdnldready_read, .read = btmrvl_txdnldready_read,
.open = btmrvl_open_generic, .open = btmrvl_open_generic,
}; };
void btmrvl_debugfs_init(struct hci_dev *hdev) void btmrvl_debugfs_init(struct hci_dev *hdev)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = hdev->driver_data;
(struct btmrvl_private *) hdev->driver_data;
struct btmrvl_debugfs_data *dbg; struct btmrvl_debugfs_data *dbg;
dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); dbg = kzalloc(sizeof(*dbg), GFP_KERNEL);
@ -406,22 +377,16 @@ void btmrvl_debugfs_init(struct hci_dev *hdev)
dbg->config_dir = debugfs_create_dir("config", dbg->root_dir); dbg->config_dir = debugfs_create_dir("config", dbg->root_dir);
dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir, dbg->psmode = debugfs_create_file("psmode", 0644, dbg->config_dir,
hdev->driver_data, hdev->driver_data, &btmrvl_psmode_fops);
&btmrvl_psmode_fops); dbg->pscmd = debugfs_create_file("pscmd", 0644, dbg->config_dir,
dbg->pscmd =
debugfs_create_file("pscmd", 0644, dbg->config_dir,
hdev->driver_data, &btmrvl_pscmd_fops); hdev->driver_data, &btmrvl_pscmd_fops);
dbg->gpiogap = dbg->gpiogap = debugfs_create_file("gpiogap", 0644, dbg->config_dir,
debugfs_create_file("gpiogap", 0644, dbg->config_dir,
hdev->driver_data, &btmrvl_gpiogap_fops); hdev->driver_data, &btmrvl_gpiogap_fops);
dbg->hsmode = dbg->hsmode = debugfs_create_file("hsmode", 0644, dbg->config_dir,
debugfs_create_file("hsmode", 0644, dbg->config_dir,
hdev->driver_data, &btmrvl_hsmode_fops); hdev->driver_data, &btmrvl_hsmode_fops);
dbg->hscmd = dbg->hscmd = debugfs_create_file("hscmd", 0644, dbg->config_dir,
debugfs_create_file("hscmd", 0644, dbg->config_dir,
hdev->driver_data, &btmrvl_hscmd_fops); hdev->driver_data, &btmrvl_hscmd_fops);
dbg->hscfgcmd = dbg->hscfgcmd = debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
debugfs_create_file("hscfgcmd", 0644, dbg->config_dir,
hdev->driver_data, &btmrvl_hscfgcmd_fops); hdev->driver_data, &btmrvl_hscfgcmd_fops);
dbg->status_dir = debugfs_create_dir("status", dbg->root_dir); dbg->status_dir = debugfs_create_dir("status", dbg->root_dir);
@ -429,21 +394,19 @@ void btmrvl_debugfs_init(struct hci_dev *hdev)
dbg->status_dir, dbg->status_dir,
hdev->driver_data, hdev->driver_data,
&btmrvl_curpsmode_fops); &btmrvl_curpsmode_fops);
dbg->psstate = dbg->psstate = debugfs_create_file("psstate", 0444, dbg->status_dir,
debugfs_create_file("psstate", 0444, dbg->status_dir,
hdev->driver_data, &btmrvl_psstate_fops); hdev->driver_data, &btmrvl_psstate_fops);
dbg->hsstate = dbg->hsstate = debugfs_create_file("hsstate", 0444, dbg->status_dir,
debugfs_create_file("hsstate", 0444, dbg->status_dir,
hdev->driver_data, &btmrvl_hsstate_fops); hdev->driver_data, &btmrvl_hsstate_fops);
dbg->txdnldready = dbg->txdnldready = debugfs_create_file("txdnldready", 0444,
debugfs_create_file("txdnldready", 0444, dbg->status_dir, dbg->status_dir,
hdev->driver_data, &btmrvl_txdnldready_fops); hdev->driver_data,
&btmrvl_txdnldready_fops);
} }
void btmrvl_debugfs_remove(struct hci_dev *hdev) void btmrvl_debugfs_remove(struct hci_dev *hdev)
{ {
struct btmrvl_private *priv = struct btmrvl_private *priv = hdev->driver_data;
(struct btmrvl_private *) hdev->driver_data;
struct btmrvl_debugfs_data *dbg = priv->debugfs_data; struct btmrvl_debugfs_data *dbg = priv->debugfs_data;
if (!dbg) if (!dbg)