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-rw-r--r--drivers/char/cs5535_gpio.c2
-rw-r--r--drivers/char/dtlk.c2
-rw-r--r--drivers/char/pc8736x_gpio.c1
-rw-r--r--drivers/char/ppdev.c1
-rw-r--r--drivers/char/scx200_gpio.c1
-rw-r--r--drivers/char/tb0219.c1
-rw-r--r--drivers/char/vr41xx_giu.c2
7 files changed, 10 insertions, 0 deletions
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index c0a4a0bb509..628e3d3249d 100644
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -153,6 +153,8 @@ static ssize_t cs5535_gpio_read(struct file *file, char __user *buf,
return count;
}
+/* No BKL needed here - "mask" is the only global resource used
+ here and it's a boot-time parameter */
static int cs5535_gpio_open(struct inode *inode, struct file *file)
{
u32 m = iminor(inode);
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index abde6ddefe6..433388c6023 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -288,6 +288,8 @@ static int dtlk_ioctl(struct inode *inode,
}
}
+/* No BKL needed here; "dtlk_busy" is the only global resource,
+ and it is not ever set by anybody (test is broken) */
static int dtlk_open(struct inode *inode, struct file *file)
{
TRACE_TEXT("(dtlk_open");
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index ecfaf180e5b..8715dc9f4a5 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -212,6 +212,7 @@ static struct nsc_gpio_ops pc8736x_gpio_ops = {
.gpio_current = pc8736x_gpio_current
};
+/* No BKL needed here; no global resources accessed */
static int pc8736x_gpio_open(struct inode *inode, struct file *file)
{
unsigned m = iminor(inode);
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 3aab837d948..ce198757488 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -633,6 +633,7 @@ static int pp_ioctl(struct inode *inode, struct file *file,
return 0;
}
+/* No BKL needed here: only local resources used */
static int pp_open (struct inode * inode, struct file * file)
{
unsigned int minor = iminor(inode);
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c
index 99e5272e3c5..be2c623a986 100644
--- a/drivers/char/scx200_gpio.c
+++ b/drivers/char/scx200_gpio.c
@@ -46,6 +46,7 @@ struct nsc_gpio_ops scx200_gpio_ops = {
};
EXPORT_SYMBOL_GPL(scx200_gpio_ops);
+/* No BKL needed here: no global resources used */
static int scx200_gpio_open(struct inode *inode, struct file *file)
{
unsigned m = iminor(inode);
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 4c431cb7cf1..db8c2ca2ce4 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -232,6 +232,7 @@ static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data,
return i;
}
+/* No BKL needed here; no global resources accessed */
static int tanbac_tb0219_open(struct inode *inode, struct file *file)
{
unsigned int minor;
diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c
index e5ed09192be..412937fdb95 100644
--- a/drivers/char/vr41xx_giu.c
+++ b/drivers/char/vr41xx_giu.c
@@ -543,6 +543,8 @@ static ssize_t gpio_write(struct file *file, const char __user *data,
return i;
}
+/* No BKL needed here; only global (giu_nr_pins) is only set
+ at probe time */
static int gpio_open(struct inode *inode, struct file *file)
{
unsigned int pin;